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study_questions [2009/08/10 23:25] – stephenstudy_questions [2017/01/01 20:05] (current) – external edit 127.0.0.1
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 ====== Exam 70-528 Study Questions ====== ====== Exam 70-528 Study Questions ======
 +
 +===== Chapter 1: Framework Fundamentals =====
 +
 +==== Extension ====
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C1XQ1: What is the primary purpose of a delegate? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: To facilitate event handling.
 +
 +==== Lesson 3: Constructing Classes  ====
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C1L3Q1: To raise an event, what three elements must be provided? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  - A class that provides event data.
 +  - An event delegate.
 +  - A class that raises the event.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C1L3Q2: What object type should an event pass if it has no custom data? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //EventArgs//
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C1L3Q3: If an event needs to pass custom data, what class should be derived from and what is the naming convention? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //EventArgs// should be derived from and the naming convention is //{EventName}EventArgs//.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C1L3Q4: What is the naming convention for a delegate for an event? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //{EventName}Handler//
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C1L3Q5: What two things should be done to allow a class to raise an event? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  - A public event needs to be declared.
 +  - A protected //On{EventName}// method should be created.
  
 ===== Chapter 2: Input/Output (I/O) ===== ===== Chapter 2: Input/Output (I/O) =====
 +
 +==== Lesson 1: Navigating the File System ====
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C2L1Q1: How do you enumerate the drives in a system? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Call the //DriveInfo.GetDrives// method.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C2L1Q2: How do you enumerate the files in a particular directory? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  - Create a new //DirectoryInfo// object, specifying the directory in the constructor.
 +  - Call the //GetFiles// method on the //DirectoryInfo// object, which returns a collection of //FileInfo// objects.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C2L1Q3: How would you determine the size of a particular file in the file system? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  - Create a new //FileInfo// object, specifying the path to the file in the constructor.
 +  - Examine the //FileInfo//'s //Length// property.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C2L1Q4: How do you copy a file? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  - Create a new //FileInfo// object, specifying the path to the source file in the constructor.
 +  - Call the //FileInfo//'s //CopyTo// method, specifying the path to the destination file.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C2L1Q5: What are the high level steps required to monitor a directory for changes? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  - Create a //FileSystemWatcher// object.
 +  - Set the //Path// property.
 +  - Register for the event that you are interested in.
 +  - Set the //EnableRaisingEvents// property to true.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C2L1Q6: How do you create a //DriveInfo// object for a specific drive? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Create a new //DriveInfo// object, specifying the drive letter in the constructor.
  
 ==== Lesson 3: Compressing Streams ==== ==== Lesson 3: Compressing Streams ====
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 Answer: Start = ^ (carat), end = $ Answer: Start = ^ (carat), end = $
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C3L1Q2: In a regular expression, what is a lazy quantifier and how is one specified? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: A lazy quantifier will match as little of the searched string as possible. A lazy quantifier is specified by adding a '?' symbol immediately after the quantifier.
  
 ===== Chapter 4: Collections and Generics ===== ===== Chapter 4: Collections and Generics =====
Line 88: Line 221:
 Answer: //Comparer//. Answer: //Comparer//.
  
-===== Chapter 4: Collections and Generics =====+ 
 + 
 +==== Lesson 3: Working with Dictionaries ==== 
 + 
 +/* --== Answer Question separator ==-- */ 
 + 
 +** C4L3Q1: When iterating over a //Hashtable//, what order are entries returned in, by default? ** 
 + 
 +/* --== Question Answer separator ==-- */ 
 + 
 +Answer: The order of the hash values. 
 + 
 +/* --== Answer Question separator ==-- */ 
 + 
 +** C4L3Q2: What are the five non-generic, non-specialised dictionary collections, what is each used for and what is the generic equivalent? ** 
 + 
 +/* --== Question Answer separator ==-- */ 
 + 
 +Answer: 
 + 
 +  * //Hashtable//, used for simple basic dictionaries, //Dictionary<>//. 
 +  * //SortedList//, used for dictionaries that are sorted by key, //SortedList<>// and //SortedDictionary//. 
 +  * //ListDictionary//, used for small dictionaries, //Dictionary<>//. 
 +  * //HybridDictionary//, used for dictionaries of unknown or varying size, //Dictionary<>//. 
 +  * //OrderedDictionary//, used where direct control of the order is required, //Dictionary<>//. 
 + 
 +/* --== Answer Question separator ==-- */ 
 + 
 +** C4L3Q3: What type of object does a non-generic dictionary collection contain? ** 
 + 
 +/* --== Question Answer separator ==-- */ 
 + 
 +Answer: //DictionaryEntry// 
 + 
 +/* --== Answer Question separator ==-- */ 
 + 
 +/* Added 20091012 */ 
 + 
 +** C4L3Q4: Which list is a dictionary? ** 
 + 
 +/* --== Question Answer separator ==-- */ 
 + 
 +Answer: //SortedList//
  
 ==== Lesson 4: Using Specialized Collections ==== ==== Lesson 4: Using Specialized Collections ====
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 /* --== Answer Question separator ==-- */ /* --== Answer Question separator ==-- */
  
-** C4L4Q6: What are the five specialised collections? **+** C4L4Q6: What are the five specialised collections and their generic equivalent? **
  
 /* --== Question Answer separator ==-- */ /* --== Question Answer separator ==-- */
  
-Answer: //BitArray//, //BitArray32//, //StringCollection//, //StringDictionary// and //NameValueCollection//.+Answer: 
 + 
 +  - //BitArray//, no generic equivalent. 
 +  - //BitVector32//, no generic equivalent. 
 +  - //StringCollection//, equivalent to //List<String>//. 
 +  - //StringDictionary//, equivalent to //Dictionary<String>//. 
 +  - //NameValueCollection//, equivalent to //Dictionary<>//.
  
 /* --== Answer Question separator ==-- */ /* --== Answer Question separator ==-- */
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 Answer: //LinkedList// Answer: //LinkedList//
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C4L5Q3: What are the three non-specialised, non-dictionary, non-generic collections and their generic equivalent? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * //ArrayList//, equivalent to //List<>//.
 +  * //Queue//, equivalent to //Queue<>//.
 +  * //Stack//, equivalent to //Stack<>//.
 +
 +==== Extension ====
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C4XQ1: What does the compiler do when an iterator is implemented? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Automatically generates the //Current//, //MoveNext// and //Dispose// methods of the //IEnumerable// interface.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C4XQ2: How do you implement an iterator? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  - Implement the //IEnumerable// interface.
 +  - Create a method called //GetEnumerator// which returns an //IEnumerator//.
 +  - Use the ''yield return'' statement to return each element.
 +  - If required, use the ''yield break'' to end the iteration.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C4XQ3: What are two ways that the default iterator functionality can be extended? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  - Named iterators can be created which allows a class to have multiple iteration techniques.
 +  - Parameterised iterators can be created which allows clients control over some or all of the iteration behaviour.
  
 ===== Chapter 5: Serialization ===== ===== Chapter 5: Serialization =====
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 ===== Chapter 7: Threading ===== ===== Chapter 7: Threading =====
 +
 +==== Extension ====
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C7XQ1: What is the difference between the way the CLR deals with unhandled exceptions in the .NET Framework 1.1 verses 2.0? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: In 1.0, a backstop is provided for unhandled exceptions that occur on the following types of thread:
 +
 +  * A thread from the thread pool.
 +  * A thread created with the //Thread.Start// method.
 +  * A finaliser thread.
 +
 +In 2.0, these exceptions are left to proceed naturally.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C7XQ2: The .NET Framework 2.0 provides a backstop for what three types of unhandled exceptions? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * A //ThreadAbortException// thrown because of an //Abort// call.
 +  * An //AppDomainUnloadException// thrown because the application domain is being unloaded.
 +  * An internal exception thrown by the CLR or host process.
  
 ==== Lesson 1: Creating Threads ==== ==== Lesson 1: Creating Threads ====
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 /* --== Question Answer separator ==-- */ /* --== Question Answer separator ==-- */
  
-Answer: Call the //ExecutionContext.SurpressFlow// before the new thread is created and call the //ExecutionContext.RestoreFull// afterwards.+Answer: Call the //ExecutionContext.SurpressFlow// before the new thread is created and call the //ExecutionContext.RestoreFlow// afterwards.
  
 /* --== Answer Question separator ==-- */ /* --== Answer Question separator ==-- */
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 Answer: It is faster. Answer: It is faster.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C7L1Q11: What should the //Thread.ThreadState// property be used for? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Debugging only and not thread synchronisation.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C7L1Q12: Which thread state can a thread not return to once it has left it? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //Unstarted//
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C7L1Q13: Which thread state can a thread not leave once it has entered it? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //Stopped//
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C7L1Q14: Which thread state is a newly created thread in? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //Unstarted//
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C7L1Q15: What happens to a thread's state when another thread calls //Thread.Start// on it? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: At first, nothing. Then, when the thread __responds__ to the call and actually starts running, it changes to //Running//.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C7L1Q16: What happens to a thread's state when another thread calls //Thread.Suspend// on it? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //Thread.Suspend// is depreciated and should not be used. But if it is, at first the thread's state changes to //SuspendRequested//. Then, when the thread __responds__ to the call, it changes to //Suspended//.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C7L1Q17: What happens to a thread's state when another thread calls //Thread.Abort// on it? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: At first the thread's state changes to //AbortRequested//. Then, when the thread __responds__ to the call, it changes to //Aborted//.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C7L1Q18: What can trigger a thread to change its state to //Running//? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * The thread responds to a //Thread.Start// call.
 +  * Another thread calls //Thread.Resume// which is depreciated and should not be used.
 +  * TODO: there may be a third.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C7L1Q19: How can a thread enter the //WaitSleepJoin// state? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * The thread calls //Monitor.Wait// on another object.
 +  * The thread calls //Thread.Sleep//.
 +  * The thread calls //Thread.Join// on another thread.
  
 ==== Lesson 2: Sharing Data ==== ==== Lesson 2: Sharing Data ====
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 Follow up question: What should you also do if you override any optional method? Follow up question: What should you also do if you override any optional method?
 +
 +/* --== Question Answer separator ==-- */
  
 Answer: The methods //OnStart// and //OnStop// should be overridden. The methods //OnPause//, //OnContinue// and //OnShutdown// are optional. Answer: The methods //OnStart// and //OnStop// should be overridden. The methods //OnPause//, //OnContinue// and //OnShutdown// are optional.
  
 Follow up answer: If //OnPause// and/or //OnContinue// are overriden, set //ServiceBase.CanPauseAndContinue// to true. If //OnShutdown// is overriden set //ServiceBase.CanShutdown// to true. Follow up answer: If //OnPause// and/or //OnContinue// are overriden, set //ServiceBase.CanPauseAndContinue// to true. If //OnShutdown// is overriden set //ServiceBase.CanShutdown// to true.
 +
 +/* --== Answer Question separator ==-- */
  
 ** C8L3Q3: What four things does the //ServiceInstaller// class define? ** ** C8L3Q3: What four things does the //ServiceInstaller// class define? **
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 Answer: InstallUtil.exe. Answer: InstallUtil.exe.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090922 */
 +
 +** C8L3Q8: What are three methods for starting a Windows service? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * Server Explorer.
 +  * Services Control Manager.
 +  * Programmatically using the //ServiceController// class.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090922 */
 +
 +** C8L3Q9: What exception will a //ServiceController// object throw if the service name does not exist on the machine? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //InvalidOperationException//.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090922 */
 +
 +** C8L3Q10: What class is used to interact with Windows services? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //ServiceController//.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20091012 */
 +
 +** C8L3Q11: What should a service name be and how is it set? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: A service name should be unique and is set by modifying the //ServiceBase.ServiceName// property in Visual Studio's service Designer.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20091012 */
 +
 +** C8L3Q12: What must a service's //OnStart// method do? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Return.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20091012 */
 +
 +** C8L3Q13: What are three ways to stop or start a service? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * Use Computer Management's Services snap-in.
 +  * Use the //Net// command from a command line.
 +  * Programmatically, by using the //ServiceProcess.ServiceController// class.
  
 ===== Chapter 9: Installing and Configuring Applications ===== ===== Chapter 9: Installing and Configuring Applications =====
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 /* --== Question Answer separator ==-- */ /* --== Question Answer separator ==-- */
  
-Answer: Add the //RunInstallerAttribate// to the custom class and set the //runInstaller// parameter to true.+Answer: Add the //RunInstallerAttribute// to the custom class and set the //runInstaller// parameter to true.
  
 ==== Lesson 3: Using the .NET Framework 2.0 Configuration Tool ==== ==== Lesson 3: Using the .NET Framework 2.0 Configuration Tool ====
Line 1056: Line 1463:
  
 Answer: Application, Security and System. Answer: Application, Security and System.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090923 */
 +
 +** C10L1Q3: What should never be done with any event log object? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: It should never be passed to less trusted code.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090923 */
 +
 +** C10L1Q4: What is required to create an event source and why? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Administrative privileges is required because all logs, including security, must be searched to determine whether the event source is unique.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090924 */
 +
 +** C10L1Q5: Which versions of Windows do not support event logs? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Windows 98 and Windows Me.
  
 ==== Lesson 2: Debugging and Tracing ==== ==== Lesson 2: Debugging and Tracing ====
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 /* --== Question Answer separator ==-- */ /* --== Question Answer separator ==-- */
  
-Answer: Call the //Debugger.Log// method.+Answer: Call the //Debugger.Break// method.
  
 /* --== Answer Question separator ==-- */ /* --== Answer Question separator ==-- */
Line 1094: Line 1531:
  
 ** C10L2Q5: What does the //DebuggerHidden// attribute do? ** ** C10L2Q5: What does the //DebuggerHidden// attribute do? **
 +
 +Follow up question: How is it different from the //DebuggerStepThrough// attribute?
  
 /* --== Question Answer separator ==-- */ /* --== Question Answer separator ==-- */
  
-Answer: It prevents the debugger from breaking inside a class, method or property, even if there is a breakpoint.+Answer: It causes the debugger to step through the code for the class, method or property it decorates, and causes the debugger to ignore any breakpoints in the code. 
 + 
 +Follow up answer: The //DebuggerStepThrough// attribute will **not** cause debugger to ignore any breakpoints in the code.
  
 /* --== Answer Question separator ==-- */ /* --== Answer Question separator ==-- */
  
-** C10L2Q6: How do you prevent the debugger from breaking inside a class, method or property, even if there is a breakpoint? **+** C10L2Q6: What does the //DebuggerStepThrough// attribute do? ** 
 + 
 +Follow up question: How is it different from the //DebuggerHidden// attribute? 
 + 
 +/* --== Question Answer separator ==-- */ 
 + 
 +Answer: It causes the debugger to step through the code for the class, method or property it decorates, but the debugger will still break at any breakpoints in the code. 
 + 
 +Follow up answer: The //DebuggerHidden// attribute will cause debugger to ignore any breakpoints in the code. 
 + 
 +/* --== Answer Question separator ==-- */ 
 + 
 +** C10L2Q7: How do you prevent the debugger from breaking inside a class, method or property, even if there is a breakpoint? **
  
 /* --== Question Answer separator ==-- */ /* --== Question Answer separator ==-- */
Line 1109: Line 1562:
 /* --== Answer Question separator ==-- */ /* --== Answer Question separator ==-- */
  
-** C10L2Q7: How do you cause the debugger to automatically step over a section of code? **+** C10L2Q8: How do you prevent the debugger from breaking inside a class, method or property, but still stop on any breakpoints? **
  
 /* --== Question Answer separator ==-- */ /* --== Question Answer separator ==-- */
  
-Answer: Add a //DebuggerStepThrough// attribute to the code.+Answer: Add a //DebuggerStepThrough// attribute to the class, method or property.
  
 /* --== Answer Question separator ==-- */ /* --== Answer Question separator ==-- */
  
-** C10L2Q8: What does the //DebuggerStepThrough// attribute do and how is it different to the //DebuggerHidden// attribute? **+** C10L2Q9: How do you add a //DebuggerHidden// or //DebuggerStepThrough// attribute to a property? **
  
 /* --== Question Answer separator ==-- */ /* --== Question Answer separator ==-- */
  
-Answer: The //DebuggerStepThrough// attribute causes the debugger to step over the code it decorates, but does not hide the code like the //DebuggerHidden// attribute does.+Answer: Decorate either or both of the accessor methods with the attribute.
  
 ==== Lesson 3: Monitoring Performance ==== ==== Lesson 3: Monitoring Performance ====
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 Answer: //ManagementEventWatcher// Answer: //ManagementEventWatcher//
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090921 */
 +
 +** C10L4Q8: What industry standard does the WMI use to represent systems, processes, networks, devices and enterprise components? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Common Information Model
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090921 */
 +
 +** C10L4Q9: The WMI architecture consists of what three tiers? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * Client software components.
 +  * The object manager.
 +  * Provider software components.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090921 */
 +
 +** C10L4Q10: What three things can applications use the WMI for? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * Enumerating or retrieving a collection of instance property data.
 +  * Querying for selected instance data.
 +  * Subscribing to events.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090921 */
 +
 +** C10L4Q11: What can the WMI instrumentation be used for? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Applications can create their own class and instances with properties and methods that store data about themselves to WMI.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090921 */
 +
 +** C10L4Q12: What class or classes are used when gathering WMI class information? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //ManagementObject// and //ManagementClass//.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090921 */
 +
 +** C10L4Q13: What class or classes are used when querying for data with WMI? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //SelectQuery//, //ManagementObjectSearcher//, //WqlObjectQuery// and //ObjectQuery//.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090921 */
 +
 +** C10L4Q14: What class or classes are used when querying for data asynchronously with WMI? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //ManagementObjectCollection// and //ManagementOperationObserver//.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090921 */
 +
 +** C10L4Q15: What class or classes are used when executing methods with WMI? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //ManagementBaseObject//.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090921 */
 +
 +** C10L4Q16: What class or classes are used when executing methods asynchronously with WMI? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //ManagementOperationObserver//.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090921 */
 +
 +** C10L4Q17: What class or classes are used when receiving events from WMI? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //WqlEventQuery// and //ManagementEventWatcher//.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090921 */
 +
 +** C10L4Q18: What class or classes are used when receiving events asynchronously from WMI? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //EventArrivedEventArgs//, //EventArrivedEventHandler//, //CompletedEventArgs// and //CompletedEventHandler//.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090921 */
 +
 +** C10L4Q19: What class or classes are used when connecting to a remote computer with WMI? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //ConnectionOptions// and //ManagementScope//.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090921 */
 +
 +** C10L4Q20: What class or classes are used when creating data providers with WMI instrumentation? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //Instance//, //InstrumentationClassAttribute// and //InstrumentedAttribute//.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090921 */
 +
 +** C10L4Q21: What class or classes are used when creating event providers with WMI instrumentation? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //BaseEvent// and //Instrumentation//.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090921 */
 +
 +** C10L4Q22: What class or classes are used when registering a provider with WMI instrumentation? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //ManagementInstaller//.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090922 */
 +
 +** C10L4Q23: What does the //ObjectQuery// class do? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: It represents a management query that returns instances or classes.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090922 */
 +
 +** C10L4Q24: What does the //ManagementObjectSearcher// class do? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: It retrieved a collection of management objects based on a specifies query.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090922 */
 +
 +** C10L4Q25: What does the //ManagementObjectCollection// class do? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: It represents different collections of management objects retrieved through WMI.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090922 */
 +
 +** C10L4Q26: Objects contained in a //ManagementObjectCollection// are derived from what type? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //ManagementBaseObject//.
  
 ===== Chapter 11: Application Security ===== ===== Chapter 11: Application Security =====
Line 1253: Line 1904:
  
 Answer: Host evidence and assembly evidence. Answer: Host evidence and assembly evidence.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C11L1Q4: What are the three CAS policy levels and which one would you most commonly use? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Enterprise, machine and user. Machine policy is the most commonly used.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C11L1Q5: What must an assembly have before its trust can be increased? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: A strong name.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C11L1Q6: As a developer, the permission set assigned to the My_Computer_Zone should be changed from what to what? **
 +
 +Follow up question: Why should it be changed?
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: From "Full Trust" to "Everything".
 +
 +Follow up answer: Full Trust completely skips all CAS statements in code. The Everything permission set has similar permissions, but it does not skip CAS statements.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C11L1Q7: What is the command line utility for maintaining CAS settings? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Caspol.exe - **C**ode **A**ccess **S**ecurity **POL**icy tool.
 +
  
 ==== Lesson 2: Using Declarative Security to Protect Assemblies ==== ==== Lesson 2: Using Declarative Security to Protect Assemblies ====
Line 1287: Line 1975:
  
 Answer: 'RequestMinimum'. Answer: 'RequestMinimum'.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C11L2Q5: What are the three //SecurityAction//s? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //RequestMinimum//, //RequestOptional// and //RequestRefuse//.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C11L2Q6: CAS declarations are only significant in what type of assemblies? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Partially trusted assemblies.
 +
 +==== Lesson 3: Using Declarative and Imperative Security to Protect Methods ====
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C11L3Q1: How many declarative CAS security actions are available for assemblies and how many are available for methods? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Three for assemblies, six for methods.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C11L3Q2: What are the three declarative CAS security actions for assemblies? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //RequestMinimum//, //RequestOptional// and //RequestRefuse//.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C11L3Q3: What are the six declarative CAS security actions for methods? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //Assert//, //Demand//, //Deny//, //InheritanceDemand//, //LinkDemand//, and //PermitOnly//.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C11L3Q4: What is the difference between the //Demand// CAS security action and the //LinkDemand// CAS security action? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //Demand// checks the security of __all__ the callers, //LinkDemand// only checks the security of the __immediate__ caller.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C11L3Q5: Which class is used to specify what to check for in a declarative permission statement and which is used in an imperative permission statement? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Declarative permission statements use //SecurityAction//, imperative permission statements use //CodeAccessPermission//.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C11L3Q6: How should a method __check__ if it has a particular CAS permission? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Call the //System.Security.SecurityManager.IsGranted// method.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C11L3Q7: Which two security actions __reduce__ CAS permissions for a method and what is the difference between the two? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //Deny// and //PermitOnly//. //Deny// removes only the specified permission, //PermitOnly// removes __all except__ the specified permission.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C11L3Q8: Which two security actions __reduce__ CAS permissions for an assembly and what is the difference between the two? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //RequestRefuse// and //RequestOptional//. //RequestRefuse// removes only the specified permission, //RequestOptional// removes __all except__ the specified permission.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C11L3Q9: What are the three security actions that are applicable to assembles and what are their equivalent security actions that are applicable to classes and methods? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * //RequestRefuse// (assembly) is equivalent to //Deny// (class and methods).
 +  * //RequestOptional// (assembly) is equivalent to //PermitOnly// (class and methods).
 +  * //RequestMinimum// (assembly) is equivalent to //Demand// (class and methods).
 +
 +/* --== Answer Question separator ==-- */
 +
 +** <del>C11L3Q10: What is the meaning of life?</del> **
 +
 +/* --== Question Answer separator ==-- */
 +
 +<del>Answer: 42</del>
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C11L3Q11: As the security action //Assert// can only be used once in a method, how can multiple CAS permissions be asserted? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Add the permissions to a //PermissionSet// object and assert that.
  
 ===== Chapter 12: User and Data Security ===== ===== Chapter 12: User and Data Security =====
Line 1574: Line 2372:
  
 ===== Chapter 13: Interoperation ===== ===== Chapter 13: Interoperation =====
 +
 +==== Extension ====
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090915 */
 +
 +** C13XQ1: What are the eight integer based COM data types and their .NET equivalent types? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * bool -> //Int32//
 +  * byte -> //Byte//
 +  * char -> //SByte//
 +  * small -> //SByte//
 +  * short -> //Int16//
 +  * long -> //Int32//
 +  * int -> //Int32//
 +  * Hyper -> //Int64//
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090915 */
 +
 +** C13XQ2: What are the four non-integer numeric COM data types and their .NET equivalent types? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * float -> //Single//
 +  * double -> //Double//
 +  * DECIMAL -> //Decimal//
 +  * CURRENCY -> //Decimal//
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090915 */
 +
 +** C13XQ3: What are the three other important COM data types and their .NET equivalent types? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * void * -> //IntPtr//
 +  * HRESULT -> //Int16// or //IntPtr//
 +  * VARIANT -> //Object//
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090915 */
 +
 +** C13XQ4: What are the five COM data types that are equivalent to //String//? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: BSTR, LPSTR, LPWSTR, char *, wchar_t *
  
 ==== Lesson 1: Using COM Objects ==== ==== Lesson 1: Using COM Objects ====
Line 1624: Line 2482:
  
 Answer: Static members, parameterised constructors, inheritance, portability. Answer: Static members, parameterised constructors, inheritance, portability.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C13L1Q7: When generating metadata from a type library, what is the resulting assembly called? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: An interop assembly.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C13L1Q8: What are the four options for generating an interop assembly containing type metadata? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * Visual Studio.
 +  * Type Library Importer (Tlbimp.exe).
 +  * The //TypeLibConverter// class.
 +  * Custom wrappers.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C13L1Q9: What can the //TypeLibConverter// class do that the Type Library Importer can not? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: It can convert an in-memory type library to metadata.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C13L1Q10: What are the four high level steps to expose a COM component to the .NET Framework? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  - Import a type library as an assembly.
 +  - Create COM types in managed code.
 +  - Compile an interop project.
 +  - Deploy an interop application.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C13L1Q11: How are COM types that are defined in an assembly used differently from other managed types? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: They aren't used differently (tricky).
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C13L1Q12: How is compiling an interop project different from compiling a managed project? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: It isn't different (tricky).
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C13L1Q13: What three things does an interop application contain? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * A .NET client assembly.
 +  * One or more interop assemblies.
 +  * One or more registered COM components.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C13L1Q14: Where should private assemblies be installed? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: The same directory as the application.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C13L1Q15: What must a shared assembly have and where is it installed? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: It must have a strong name and be installed in the Global Assembly Cache (GAC).
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C13L1Q16: What is a primary interop assembly? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: A unique, vendor-supplied, strong named, interop assembly that contains type definitions (as metadata) of types implemented with COM.
 +
 +==== Lesson 2: Exposing .NET Components to COM ====
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C13L2Q1: When .NET components are consumed by COM, what handles the marshalling between .NET and COM? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: The COM Callable Wrapper (CCW).
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C13L2Q2: How do you hide a public .NET class from COM? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Give it a //ComVisible// attribute and pass in false.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C13L2Q3: What are the four options for generating a type library for COM? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * Type Library Exporter (Tlbexp.exe)
 +  * Using the //TypeLibConverter// class.
 +  * Assembly Registration Tool (Regasm.exe)
 +  * .NET Services Installation Tool (Regsvcs.exe)
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C13L2Q4: What are the five guidelines for qualifying .NET types for interoperation? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * Classes should implement interfaces explicitly.
 +  * Managed types must be public.
 +  * Methods, properties, fields and events must be public.
 +  * Types must have a public default constructor to be activated from COM.
 +  * Types can not be abstract.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C13L2Q5: What public parts of a class are not exposed to COM clients? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Parameterised constructors, static methods and constant fields.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C13L2Q6: What does the Assembly Registration tool do and what .NET class provides the equivalent functionality? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: The Assembly Registration tool generates a type library and then registers it so that COM clients can use the .NET class transparently, or it can unregister an assembly. The equivalent class is //RegistrationServices//.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C13L2Q7: What is the difference between the Type Library Exporter and the Assembly Registration tool? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: The Type Library Exporter generates a type library but does not register it. The Assembly Registration tool does both.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C13L2Q8: How do you use the Type Library Exporter to generate a subset of the types defined in an assembly? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: You can't - the entire assembly is converted at once (tricky).
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C13L2Q9: How can an interop assembly be activated from any COM client? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: After registering it, install it in the Global Assembly Cache (GAC).
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C13L2Q10: When using the Assembly Registration tool, what does the ''/tlb'' option do? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: It causes the Assembly Registration tool to generate a type library in addition to registering the types.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C13L2Q11: When should the ''/tlb'' option of the Assembly Registration tool not be used? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: If the assembly was produced by the Type Library Importer.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090914 */
 +
 +** C13L2Q12: What are the three actions that the .NET Services Installation tool performs? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * Loads and registers an assembly.
 +  * Generates, registers and installs a type library into a specified COM+ 1.0 application.
 +  * Configures services that you have added programmatically to your class.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090914 */
 +
 +** C13L2Q13: What must an assembly have before it can be used by the .NET Services Installation tool? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: A strong name.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090914 */
 +
 +** C13L2Q14: What two security considerations does the .NET Services Installation tool have? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * It can not register components with methods protected by a demand or link demand for the //StrongNameIdentityPermission// or the //PublisherIdentityPermission//.
 +  * You must have administrative privileges on the local computer to use the .NET Services Installation tool.
  
 ==== Lesson 3: Using Unmanaged Code ==== ==== Lesson 3: Using Unmanaged Code ====
Line 1652: Line 2742:
  
 Answer: Add a //MarshalAs// attribute and specify an //UnmanagedType//. Answer: Add a //MarshalAs// attribute and specify an //UnmanagedType//.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C13L3Q4: What attribute is used to specify a library when creating a P/Invoke? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //DllImport//
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C13L3Q5: What attribute is used to determine what order members of a structure are stored in memory? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //StructLayoutAttribute//
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C13L3Q6: What are the three methods for determining what order members of a structure are stored in memory and how are they specified? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Auto, sequential and explicit. An instance of //LayoutKind// is passed to the attribute //StructLayout//.
 +
 +===== Chapter 14: Reflection =====
 +
 +==== Lesson 1: Understanding Reflection ====
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C14L1Q1: What are the four parts of an assembly? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Assembly metadata (or manifest), type metadata, code and resources.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C14L1Q2: What is the relationship between assemblies, modules and types? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: An assembly can contain one or more modules (although typically just one). A module can contain one or more types. An assembly can not directly contain a type (or types must be contained in a module).
 +
 +==== Lesson 2: Assembly Attributes ====
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C14L2Q1: How do you get a reference to the current assembly? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Call the //Assembly.GetExecutingAssembly// method.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C14L2Q2: Using reflection, how can you get a collection of all the attributes that a class has? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Call the //Assembly.GetCustomAttributes// method, which will return an array.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C14L2Q3: What happens when the revision part of the version number in the //AssemblyVersionAttribute// is set to an asterisk? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: It will be replaced with a random number by the compiler.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C14L2Q4: What happens when the build part of the version number in the //AssemblyVersionAttribute// is set to an asterisk? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: It will be replaced with an automatically incrementing number by the compiler.
 +
 +==== Lesson 3: Reflecting Types ====
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C14L3Q1: How do you create a //Type// object based on a particular object? **
 +
 +Follow up question: How do you create a //Type// object based on a particular class?
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Call the object's //GetType// method.
 +
 +Follow up answer: Use the //typeof// keyword.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C14L3Q2: If a //string// has been cast into a variable of type //object//, what will calling the method //GetType// on the variable return? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: A //Type// object that represents the __string__ class.
 +
 +==== Lesson 5: Creating Code at Runtime ====
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C14L5Q1: Which class is used to create a dynamic assembly? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //AppDomain//.
  
 ===== Chapter 15: Mail ===== ===== Chapter 15: Mail =====
Line 1712: Line 2912:
  
 Answer: Set //SmtpClient.EnableSsl// to true. Answer: Set //SmtpClient.EnableSsl// to true.
 +
 +===== Chapter 16: Globalization =====
 +
 +==== Lesson 1: Using Culture Information ====
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C16L1Q1: What are the three culture categories? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Invariant, neutral and specific.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** C16L1Q2: How can a string comparison be made that is specific to a culture and can use the //CompareOptions// class? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  - Create or get a reference to an //CultureInfo// object.
 +  - Get a reference to the //CompareInfo// property of the //CultureInfo// object.
 +  - Call the //Compare// method on the //CompareInfo// object and pass in the two strings to be compared and any //CompareOtions// required. 
 +
 +====== Web Exam 70-528 Study Questions ======
 +
 +===== Chapter 1: Introducing the ASP.NET 2.0 Web Site =====
 +
 +==== Lesson 1: Understanding The Players ====
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20110708 */
 +
 +** WebC1L1Q1: What are the four main HTTP methods? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Get, post, put and delete.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20110708 */
 +
 +** WebC1L1Q2: What are the five common MIME types? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Text, image, audio, video and application.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20110708 */
 +
 +** WebC1L1Q3: What is the difference between where form data is stored in a GET request and a POST request? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: In a GET request, the form data is put in the query string. In a POST request, the data is put in the message body.
 +
 +==== Lesson 2: Creating a Web Site ====
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20110708 */
 +
 +** WebC1L2Q1: What are the three sections of an in-line ASPX file? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Page directives, code, layout.
 +
 +==== Lesson 3: Working with Web Configuration Files ====
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20110708 */
 +
 +** WebC1L3Q1: What are the five levels, in order, of the ASP.NET configuration hierarchy? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Global machine, root default web, web site, web application, sub-directory.
 +
 +==== Lesson 4: Using ASP.NET Trace ====
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20110708 */
 +
 +** WebC1L4Q1: What is the virtual page that displays trace information? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Trace.axd.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20110708 */
 +
 +** WebC1L4Q2: What are the two methods of configuring the trace facility? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Using the Website Administration Tool and editing the web.config file.
 +
 +===== Chapter 2: Adding and Configuring Server Controls =====
 +
 +==== Lesson 1: Using a Server Control ====
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20110708 */
 +
 +** WebC2L1Q1: How should the source of bloat in the //ViewState// be identified? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: By using the trace facility.
 +
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20117012 */
 +
 +** WebC2L1Q2: What must an HTML server control be located inside to operate correctly? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: A form element that has the //runat="server"// attribute.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20117012 */
 +
 +** WebC2L1Q3: What are the three methods of setting the properties of an HTML control? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Source view, design view and programmatically in code.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20117012 */
 +
 +** WebC2L1Q4: In which event on what object should dynamically created controls be created? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: The Init event on the page object.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20117012 */
 +
 +** WebC2L1Q5: What order are events from a web page raised on the server side? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: The event that caused the postback is processed last.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20117012 */
 +
 +** WebC2L1Q6: What property on a control should be set to minimize the size of the //ViewState// data? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: The //EnableViewState// should be set to //false//.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20117012 */
 +
 +** WebC2L1Q7: What are the five main page events, in the order they occur? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //Page_PreInit//, //Page_Init//, //Page_Load//, //Page_PreRender// and //Page_Unload//
 +
 +==== Lesson 2:  Exploring Common Web Server Controls ====
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20117012 */
 +
 +** WebC2L2Q1: What are two differences between the //Literal// control and the //TextBox// control? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * The //Literal// control does not support styles, themes, and skins.
 +  * The //Literal// control does not inherit from //WebControl//.
 +
 +===== Chapter 3: Exploring Specialized Server Controls =====
 +
 +==== Lesson 1: Exploring Specialized Web Server Controls ====
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20110823 */
 +
 +** WebC3L1Q1: What are the three modes of the //Literal// control? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //PassThrough//, //Encode// and //Transform//.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20110823 */
 +
 +** WebC3L1Q2: What is the advantage of using the //Table//, //TableRow// and //TableCell// controls over using straight HTML markup? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: The ability to add rows and cells programmatically.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20110824 */
 +
 +** WebC3L1Q3: What web control should be used if clicking on an image is required? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //ImageButton// or //ImageMap//.
  
 ====== IT Questions ====== ====== IT Questions ======
Line 1742: Line 3172:
  
 Answer: 2603 (Hex). Answer: 2603 (Hex).
 +
 +/* --== Answer Question separator ==-- */
 +
 +** ITQ4: What are Robert Martin's three laws of Test Driven Development? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  - You are not allowed to write a line of production code until you have written a failing unit test.
 +  - You are not allowed to write more of the unit test than is sufficient to fail.
 +  - You are not allowed to write more production code than is sufficient to pass the test.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** ITQ5: What is Conway's Law? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: "Organisations which design systems are constrained to produce designs which are copies of the communication structures of these organisations." - Melvin Conway, 1968.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** ITQ6: What is the difference between //Cast// and //Convert// in T-SQL? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: //Cast// is ANSI compliant. //Convert// is specific to SQL Server and allows some formatting options.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20091017 */
 +
 +** ITQ7: What type of URL should destructive or data modifying operations be put behind and why? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: They should be put behind HTTP-POST requests because web-crawlers and search engines are not supposed to follow them.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20110708 */
 +
 +** ITQ8: What should be looked for in a code review? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Correctness (only).
  
 ====== Fractal Questions ====== ====== Fractal Questions ======
Line 1778: Line 3256:
  
 Answer: "What can **I** do about it?" Answer: "What can **I** do about it?"
 +
 +/* --== Answer Question separator ==-- */
 +
 +** LifeQ3: What is the effect / affect usage mnemonic? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: VANE - **V**erb **A**ffect **N**oun **E**ffect
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090915 */
 +
 +** LifeQ4: If you are afraid of being embarrassed or laughed at, what will your art always be? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Embarrassing and laughable.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20100106 */
 +
 +** LifeQ5: What two things should every person with a job be doing? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * The very best they can at their job.
 +  * Looking for a better job.
  
 ====== The Pragmatic Programmer ====== ====== The Pragmatic Programmer ======
Line 1843: Line 3352:
 Answer: Great software today. Answer: Great software today.
  
-===== Chapter 2 =====+===== Chapter 2: A Pragmatic Approach =====
  
 /* --== Answer Question separator ==-- */ /* --== Answer Question separator ==-- */
Line 1957: Line 3466:
  
 Answer: Determine how many people __need__ to be involved in discussing each change that is requested. The less people, the more orthogonal and better off the team is. Answer: Determine how many people __need__ to be involved in discussing each change that is requested. The less people, the more orthogonal and better off the team is.
 +
 +/* --== Answer Question separator ==-- */
  
 ** PragC2Q13: How can low orthogonality affect a team? ** ** PragC2Q13: How can low orthogonality affect a team? **
Line 1963: Line 3474:
  
 Answer: Confusion over responsibilities leading to bickering. Answer: Confusion over responsibilities leading to bickering.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** PragC2Q14: What are three techniques to maintain orthogonality? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * Keep code decoupled.
 +  * Avoid global data.
 +  * Avoid similar functions.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** PragC2Q15: How is orthogonality related to unit testing? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * If the unit test does not require much set up, the unit has a good amount of orthogonality.
 +  * If the unit test has to bring in a big chunk of the system to set up the test, the unit has little orthogonality.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** PragC2Q16: What is code that glows in the dark? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Tracer code.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** PragC2Q17: What are the four aspects of code that tracer code should share with production code and what is the one aspect that it should not? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +Shared: error checking, structuring, documentation and self-checking.
 +
 +Not shared: Full functionality.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** PragC2Q18: What are the five advantages of tracer code? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * Users get to see something early.
 +  * Develops a build structure to work in.
 +  * Creates an integration platform.
 +  * Creates something to demonstrate.
 +  * Creates a better feel for progress.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** PragC2Q19: What is the difference between tracer code and prototyping? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Prototyping generates disposable code. Tracer code is lean but complete and forms part of the skeleton of the final system.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** PragC2Q20: What are seven types of things that are good to prototype? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Risky, untried, critical, unproven, experimental, doubtful or uncomfortable things.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** PragC2Q21: What are six parts of a system that are good to prototype? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * The architecture.
 +  * New functionality in an existing system.
 +  * The structure or contents of external data.
 +  * Third-party tools or components.
 +  * Performance issues.
 +  * The user interface.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** PragC2Q22: What are four aspects of coding that can, when appropriate, be ignored while prototyping? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Correctness, completeness, robustness and style.
 +
 +===== Chapter 3: The Basic Tools =====
 +
 +/* --== Answer Question separator ==-- */
 +
 +** PragC3Q1: What are the three benefits of plain text? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * Insurance against obsolescence
 +  * Leverage
 +  * Easier testing
 +
 +/* --== Answer Question separator ==-- */
 +
 +** PragC3Q2: What are three situations that make tracing statements invaluable? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * Concurrent processes
 +  * Real-time systems
 +  * Event-based applications
 +
 +===== Chapter 5: Bend or Break =====
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090929 */
 +
 +** PragC5Q1: What is the Law of Demeter? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Any method of an object should call only methods belonging to:
 +
 +  * itself,
 +  * any parameters that were passed into the method,
 +  * any object it created, or
 +  * any directly held component objects.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090929 */
 +
 +** PragC5Q2: What is the response set of a class? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: The number of functions directly invoked by methods of the class.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20091007 */
 +
 +** PragC5Q3: What us Levy's Eight Law? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: 
 +
 +"No amount of genius can overcome a preoccupation with detail."
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20091007 */
 +
 +** PragC5Q4: What type of diagram can be used to determine temporal coupling? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: A UML activity diagram.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20091007 */
 +
 +** PragC5Q5: What should be analysed to improve concurrency? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Workflow.
 +
 +===== Chapter 6: While You Are Coding =====
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20091007 */
 +
 +** PragC6Q1: What are three examples of programming by coincidence? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * Accidents of implementation.
 +  * Accidents of context.
 +  * Implicit assumptions.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20091007 */
 +
 +** PragC6Q2: What should you do if something __seems__ to work? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Make sure it isn't just a coincidence.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20091007 */
 +
 +** PragC6Q3: What is the problem with the building metaphor of software development? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Buildings are not normally refactored.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20091007 */
 +
 +** PragC6Q4: What are four reasons for refactoring? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * Duplication (violation of the DRY principle).
 +  * Non-orthogonal design.
 +  * Outdated knowledge.
 +  * Performance.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20091007 */
 +
 +** PragC6Q5: What are Martin Fowler's three tips on refactoring? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * Don't refactor and add functionality at the same time.
 +  * Make sure there are good tests beforehand.
 +  * Take short, deliberate steps.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20091012 */
 +
 +** PragC6Q6: What four capabilities should a test harness include? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * A standard way to specify setup and clean up.
 +  * A method for selecting individual tests or all available tests.
 +  * A means of analysing output for expected (or unexpected) results.
 +  * A standardised form of failure reporting.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20091012 */
 +
 +** PragC6Q7: What should be done at the end of any debugging session? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Formalise any ad hoc tests into unit tests.
 +
 +====== Professional ASP.NET MVC 1.0 ======
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20100620 */
 +
 +** MvcC1Q1: What are the six top-level directories, created by default when a new ASP.NET MVC project is created? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Controllers, Models, Views, Scripts, Content and App_Data.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20100620 */
 +
 +** MvcC1Q2: Where does ASP.NET MVC store its routing rules? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: In the Global.asax file.
  
 ====== Article 1: Design Principles and Design Patterns, Robert C. Martin ====== ====== Article 1: Design Principles and Design Patterns, Robert C. Martin ======
Line 1994: Line 3798:
  
 Answer: Dependency firewalls. Answer: Dependency firewalls.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** Art1P4Q3: What is the Open Closed Principle and who came up with it? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +//"A module should be open for extension, but closed for modification."// - Bertrand Meyer
 +
 +/* --== Answer Question separator ==-- */
 +
 +** Art1P5Q1: What is the key to the OCP? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Abstraction.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** Art1P8Q1: What is the Liskov Substitution Principle and who came up with it? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +//"Subclasses should be substitutable for their base classes."// - Barbara Liskov
 +
 +/* --== Answer Question separator ==-- */
 +
 +** Art1P8Q2: What is the canonical example of the subtleties of the LSP? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: The Circle / Ellipse dilemma.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** Art1P12Q1: Violations of the LSP are also what? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Violations of the OCP.
 +
 +/* --== Answer Question separator ==-- */
 +
 +** Art1P12Q2: What is the Dependency Inversion Principle? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +//"Depend on abstractions. Do not depend on concretions."//
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090917 */
 +
 +** Art1P12Q3: Which principle states the goal of object orientated architecture and which states the primary mechanism? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: The goal is stated by the Open Closed Principle and the primary mechanism is stated by the Dependency Inversion Principle.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090917 */
 +
 +** Art1P14Q1: Where is the most common places that designs depend on concrete classes? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: When instances are created.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090917 */
 +
 +** Art1P14Q2: What is the Interface Segregation Principle? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +//"Many client specific interfaces are better than one general purpose interface."//
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090917 */
 +
 +** Art1P16Q1: What means of organising a design has larger granularity than classes? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Packages.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090917 */
 +
 +** Art1P16Q2: What are the three principles of package architecture? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * The Release Reuse Equivalency Principle
 +  * The Common Closure Principle
 +  * The Common Reuse Principle
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090917 */
 +
 +** Art1P17Q1: What is the Release Reuse Equivalency Principle? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +//"The granule of reuse is the granule of release."//
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090917 */
 +
 +** Art1P17Q2: What is the Common Closure Principle? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +//"Classes that change together, belong together."//
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090917 */
 +
 +** Art1P17Q3: What is the Common Reuse Principle? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +//"Classes that aren't reused together should not be grouped together."//
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090917 */
 +
 +** Art1P18Q1: Which package architecture principle or principles tends to advantage reusers and which tends to advantage maintainers? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Reusers are advantaged by the Release Reuse Equivalency Principle and the Common Reuse Principle. Maintainers are advantaged by the Common Closure Principle.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090917 */
 +
 +** Art1P18Q2: Which package architecture principle or principles tends to make packages large which tends to make them small? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: The Common Closure Principle tends to make large packages and the Common Reuse Principle tends to make small packages.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090917 */
 +
 +** Art1P18Q3: Which package architecture principle or principles would architects tend to use in the early life of a system and which would they tend to use when the system has matured? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: In early life, the Common Closure Principle tends to be used. When the system has matured the Release Reuse Equivalency Principle and the Common Reuse Principle tend to be used.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090917 */
 +
 +** Art1P18Q4: What are the three principles of package coupling? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * The Acyclic Dependencies Principle
 +  * The Stable Dependencies Principle
 +  * The Stable Abstraction Principle
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090917 */
 +
 +** Art1P18Q5: What is the Acyclic Dependencies Principle? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +//"The dependencies between packages must not form cycles."//
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090917 */
 +
 +** Art1P21Q1: What are two methods for breaking a cycle in a package dependency structure? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * Add a new package.
 +  * Add a new interface that has all the methods that one package is dependant on and is implemented by the other package.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20091007 */
 +
 +** Art1P21Q2: What design pattern should be used when a client type class directly depends on a server type class? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: An Abstract Server.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20091007 */
 +
 +** Art1P21Q3: What is the Abstract Server design pattern and what is its advantage? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: An Abstract Server is an abstract interface between a client and a server. Its advantage is that the abstract interface becomes a "hinge point" that design can flex around.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090917 */
 +
 +** Art1P22Q1: Which package would an interface very often go in? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: The package that uses it, rather than the package that implements it.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090917 */
 +
 +** Art1P22Q2: What is the Stable Dependencies Principle? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +//"Depend in the direction of stability."//
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090925 */
 +
 +** Art1P23Q1: What is a package that has three other packages depending on it said to be? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Responsible to those three other packages.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090925 */
 +
 +** Art1P23Q2: What is a package that depends on nothing said to be? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: An independent package.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090925 */
 +
 +** Art1P23Q3: What is a package that has no other packages depending on it said to be? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: An irresponsible package.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090925 */
 +
 +** Art1P23Q4: What is a package that has three other packages depending on it said to be? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: A dependant package.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090925 */
 +
 +** Art1P23Q5: What is a package that is independent and responsible to other packages said to be? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: A stable package.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090925 */
 +
 +** Art1P23Q6: What is an irresponsible, dependant package said to be? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: An instable package.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090917 */
 +
 +** Art1P24Q1: What is the Stable Abstraction Principle? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +//"Stable packages should be abstract packages."//
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090925 */
 +
 +** Art1P24Q2: What is afferent coupling? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: The number of classes outside the package that depend on classes inside the package.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090925 */
 +
 +** Art1P24Q3: What is efferent coupling? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: The number of classes outside the package that classes inside the package depend on.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090925 */
 +
 +** Art1P24Q4: What is the formula for determining the instability of a package? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Instability equals efferent coupling divided by afferent coupling plus efferent coupling.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090925 */
 +
 +** Art1P26Q1: What is the formula for determining the abstractness of a package? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Abstractness equals the number of abstract classes in the package divided by the total number of classes.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090925 */
 +
 +** Art1P26Q2: What type of packages occupy the zone of uselessness? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Instable, abstract packages.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090925 */
 +
 +** Art1P26Q3: What type of packages occupy the zone of pain? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Stable, concrete packages.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20090925 */
 +
 +** Art1P26Q4: What is the formula for determining the distance a package is from the main sequence? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: The absolute value of the abstractness plus instability minus one.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20091007 */
 +
 +** Art1P29Q1: What design pattern should be used when inserting an abstract interface is not feasible? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Adapter.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20091007 */
 +
 +** Art1P29Q2: What is the Adapter design pattern? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: The Adapter is an object that implements the abstract interface to delegate to the server. Every method of the adapter simply translates and then delegates.
 +
 +====== 59 Seconds - Think a little, change a lot, Professor Richard Wiseman ======
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20100106 */
 +
 +** 59SecHappinessQ1: What is materialism mainly driven by? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Low self-esteem.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20100106 */
 +
 +** 59SecHappinessQ2: How does one buy happiness? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: By buying experiences, not goods.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20100106 */
 +
 +** 59SecHappinessQ3: What are three ways to feel more happy? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Smile, sit up and act happy.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20100106 */
 +
 +** 59SecPersuasionQ1: What are the three steps to giving a great job interview? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * Likeability is more important than academic achievements and work experience.
 +  * Reveal weaknesses early and strengths late. Retain something strong for the end.
 +  * Don't overreact to mistakes - the interviewer probably didn't notice.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20100106 */
 +
 +** 59SecPersuasionQ2: What is the Spontaneous Trait Transference Effect? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: When criticising someone else, observers will attribute the negative traits to the speaker.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20100106 */
 +
 +** 59SecPersuasionQ3: What is the Franklin Effect? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Getting someone to do you a favour will increase the chance of them liking you.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20100106 */
 +
 +** 59SecPersuasionQ4: What is the Pratfall Effect? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: The occasional mistake can make you more likeable.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20100106 */
 +
 +** 59SecPersuasionQ5: What should you do if you require assistance in the street? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Pick out a friendly face in the crowd. Clearly tell them what is happening and what they need to do.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20100106 */
 +
 +** 59SecMotivationQ1: What is the rule to beat procrastination? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Work on the activity for "just a few minutes".
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20100106 */
 +
 +** 59SecMotivationQ2: What are the four key techniques to achieve a goal? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer:
 +
 +  * Have a plan.
 +  * Tell friends a family.
 +  * Doublethink. Focus on the benefits //and// potential setbacks.
 +  * Reward each step of the way.
 +
 +/* --== Answer Question separator ==-- */
 +
 +/* Added 20100106 */
 +
 +** 59SecMotivationQ3: What visualisation technique should be used to provide motivation to achieve goals and how does it work? **
 +
 +/* --== Question Answer separator ==-- */
 +
 +Answer: Doublethink. Imagine both the potential benefits from achieving the goal //and// the potential setbacks that may occur along the way.
  
 {{tag>reference mcts study_questions exam}} {{tag>reference mcts study_questions exam}}
study_questions.1249946727.txt.gz · Last modified: 2017/01/01 19:53 (external edit)
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