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--- study_questions_audio_creation [2009/08/08 06:47] – stephen
+++ study_questions_audio_creation [2017/01/01 20:05] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
 ====== Study Questions - Audio Creation ======
-===== CDEx Settings =====
+===== Mp3 Conversion Settings =====
-Bitrate = 80 kbps
+''<nowiki>lame.exe -m m -q 0 --abr 85 --noreplaygain input.wav output.mp3</nowiki>''
-Mono
-Quality = Very high (q = 0)
 ===== Questions To Be Recorded =====
-/* --== Answer Question separator ==-- */
-** C8L3Q1: How do you debug a service? **
-/* --== Question Answer separator ==-- */
-Answer: Install it, start it and then attach a debugger to the service's process.
 /* --== Answer Question separator ==-- */
-** C8L3Q2: When creating a service, which methods should you override and which are optional? **
+/* Added 20117012 */
-Follow up question: What should you also do if you override any optional method?
+** WebC2L1Q2: What must an HTML server control be located inside to operate correctly? **
 /* --== Question Answer separator ==-- */
-Answer: The methods //OnStart// and //OnStop// should be overridden. The methods //OnPause//, //OnContinue// and //OnShutdown// are optional.
+Answer: A form element that has the //runat="server"// attribute.
-Follow up answer: If //OnPause// and/or //OnContinue// are overriden, set //ServiceBase.CanPauseAndContinue// to true. If //OnShutdown// is overriden set //ServiceBase.CanShutdown// to true.
-** C8L3Q3: What four things does the //ServiceInstaller// class define? **
-/* --== Question Answer separator ==-- */
-Answer: The service description, display name, service name and start type.
 /* --== Answer Question separator ==-- */
-** C8L3Q4: What does the //ServiceProcessInstaller// class define? **
+/* Added 20117012 */
-/* --== Question Answer separator ==-- */
-Answer: The service account settings.
-/* --== Answer Question separator ==-- */
-** C8L3Q5: What are the three start types for a service and which is the default? **
+** WebC2L1Q3: What are the three methods of setting the properties of an HTML control? **
 /* --== Question Answer separator ==-- */
-Answer: Automatic, manual (default) and disabled.
+Answer: Source view, design view and programmatically in code.
 /* --== Answer Question separator ==-- */
-** C8L3Q6: What are the four types of accounts that can be used a security context for a Windows service? **
+/* Added 20117012 */
-Follow up question: Which is the default, which is the most secure and which is the most privileged?
+** WebC2L1Q4: In which event on what object should dynamically created controls be created? **
 /* --== Question Answer separator ==-- */
-Answer:
+Answer: The Init event on the page object.
-  * Local service (most secure)
-  * Network service
-  * Local system (most privileged)
-  * User (default)
 /* --== Answer Question separator ==-- */
-** C8L3Q7: What tool is used to manually install a service? **
+/* Added 20117012 */
-/* --== Question Answer separator ==-- */
-Answer: InstallUtil.exe.
-==== Lesson 1: Configuration Settings ====
-/* --== Answer Question separator ==-- */
-** C9L1Q1: What are two most important classes used to deal with application settings and what namespace are they in? **
+** WebC2L1Q5: What order are events from a web page raised on the server side? **
 /* --== Question Answer separator ==-- */
-Answer: //Configuration// and //ConfigurationManager//, which are in the //System.Configuration// namespace.
+Answer: The event that caused the postback is processed last.
 /* --== Answer Question separator ==-- */
-** C9L1Q2: What are the four //ConfigurationManager// methods that open various configurations? **
+/* Added 20117012 */
-/* --== Question Answer separator ==-- */
+** WebC2L1Q6: What property on a control should be set to minimize the size of the //ViewState// data? **
-Answer:
-  * //OpenExeConfiguration//
-  * //OpenMachineConfiguration//
-  * //OpenMappedExeConfiguration//
-  * //OpenMappedMachineConfiguration//
-/* --== Answer Question separator ==-- */
-** C9L1Q3: What should you always do before opening a mapped configuration file and why? **
 /* --== Question Answer separator ==-- */
-Answer: Check for the existence of the file, because if it is missing no error will be generated - instead all the configuration settings will be null.
+Answer: The //EnableViewState// should be set to //false//.
 /* --== Answer Question separator ==-- */
-** C9L1Q4: How can you specify which version of the .NET Framework an application should be run with? **
+/* Added 20117012 */
-/* --== Question Answer separator ==-- */
+** WebC2L1Q7: What are the five main page events, in the order they occur? **
-Answer: Add a //supportedRuntime// entry in the //startup// section of the configuration file.
-/* --== Answer Question separator ==-- */
-** C9L1Q5: Which is obsolete, //ConfigurationSettings// or //ConfigurationManager//? **
 /* --== Question Answer separator ==-- */
-Answer: //ConfigurationSettings//
+Answer: //Page_PreInit//, //Page_Init//, //Page_Load//, //Page_PreRender// and //Page_Unload//
-/* --== Answer Question separator ==-- */
-** C9L1Q6: What are the two default properties of the //ConfigurationManager// class used to store configuration information? **
-/* --== Question Answer separator ==-- */
-Answer: //AppSettings// and //ConnectionString//.
+==== Lesson 2:  Exploring Common Web Server Controls ====
 /* --== Answer Question separator ==-- */
-** C9L1Q7: What is the default file name for putting configuration settings in? **
+/* Added 20117012 */
-/* --== Question Answer separator ==-- */
+** WebC2L2Q1: What are two differences between the //Literal// control and the //TextBox// control? **
-Answer: //App.config//.
-/* --== Answer Question separator ==-- */
-** C9L1Q8: What is the XML path for custom application settings in the //App.config// file? **
-Follow up question: What is the element name and what should its two attributes be?
 /* --== Question Answer separator ==-- */
-Answer: //configuration// -> //appSettings//.
-Follow up answer: The element name is 'add' and the two attributes should be 'key' and 'value'.
-/* --== Answer Question separator ==-- */
-** C9L1Q9: How would you read a setting called 'foo' from the application settings file? **
-/* --== Question Answer separator ==-- */
-Answer: Call //ConfigurationManager.AppSettings//["foo"] and store the result in a //String//.
-==== Lesson 2: Creating an Installer ====
-/* --== Answer Question separator ==-- */
-** C9L2Q1: What are the two specific predefined installers? **
-/* --== Question Answer separator ==-- */
-Answer: //AssemblyInstaller// and //ComponentInstaller//.
-/* --== Answer Question separator ==-- */
-** C9L2Q2: What methods should be overridden when creating a custom //Installer// class? **
-Follow up question: What two events can also be responded to?
-/* --== Question Answer separator ==-- */
-Answer: //Install//, //Commit//, //Rollback// and //Uninstall//.
-Follow up answer: //Committing// and //Committed//.
-/* --== Answer Question separator ==-- */
-** C9L2Q3: Other than overriding methods and responding to events, what else needs to be done to create a custom //Installer// class? **
-/* --== Question Answer separator ==-- */
-Answer: Add the //RunInstallerAttribate// to the custom class and set the //runInstaller// parameter to true.
-==== Lesson 3: Using the .NET Framework 2.0 Configuration Tool ====
-/* --== Answer Question separator ==-- */
-** C9L3Q1: What are the code groups in the .NET Framework named after? **
-/* --== Question Answer separator ==-- */
-Answer: The evidence they provide.
-===== Chapter 10: Instrumentation =====
-==== Lesson 1: Logging Events ====
-/* --== Answer Question separator ==-- */
-** C10L1Q1: Which account have enough privileges to write to the Windows event log? **
-/* --== Question Answer separator ==-- */
-Answer: The Local System account.
-/* --== Answer Question separator ==-- */
-** C10L1Q2: Which logs are available by default in the Windows event log mechanism? **
-/* --== Question Answer separator ==-- */
-Answer: Application, Security and System.
-==== Lesson 2: Debugging and Tracing ====
-/* --== Answer Question separator ==-- */
-** C10L2Q1: How can you programmatically signal a break to the debugger? **
-/* --== Question Answer separator ==-- */
-Answer: Call the //Debugger.Log//.
-/* --== Answer Question separator ==-- */
-** C10L2Q2: How do you prevent a member from appearing in the variable watch window while debugging? **
-/* --== Question Answer separator ==-- */
-Answer: Add a //DebuggerBrowsable// attribute to the member and pass in //DebuggerBrowserState.Never//.
-/* --== Answer Question separator ==-- */
-** C10L2Q3: How do you specify what text will appear in the Value column of the variable watch window for a custom class while debugging? **
-/* --== Question Answer separator ==-- */
-Answer: Add a //DebuggerDisplay// attribute to the member.
-/* --== Answer Question separator ==-- */
-** C10L2Q3: What does the //DebuggerDisplay// attribute do? **
-/* --== Question Answer separator ==-- */
-Answer: Specifies what should be displayed in the Value column of the variable watch window while debugging.
-/* --== Answer Question separator ==-- */
-** C10L2Q4: What does the //DebuggerHidden// attribute do? **
-/* --== Question Answer separator ==-- */
-Answer: It prevents the debugger from breaking inside a class, method or property, even if there is a breakpoint.
-/* --== Answer Question separator ==-- */
-** C10L2Q5: How do you prevent the debugger from breaking inside a class, method or property, even if there is a breakpoint? **
-/* --== Question Answer separator ==-- */
-Answer: Add a //DebuggerHidden// attribute to the class, method or property.
-/* --== Answer Question separator ==-- */
-** C10L2Q6: How do you cause the debugger to automatically step over a section of code? **
-/* --== Question Answer separator ==-- */
-Answer: Add a //DebuggerStepThrough// attribute to the code.
-/* --== Answer Question separator ==-- */
-** C10L2Q7: What does the //DebuggerStepThrough// attribute do and how is it different to the //DebuggerHidden// attribute? **
-/* --== 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.
-==== Lesson 3: Monitoring Performance ====
-/* --== Answer Question separator ==-- */
-** C10L3Q1: What is the difference between the //Trace// class and the //Debug// class? **
-/* --== Question Answer separator ==-- */
-Answer: The //Trace// class is implemented in both the release and debug builds, whereas //Debug// is only implemented in debug builds.
-/* --== Answer Question separator ==-- */
-** C10L3Q2: What are the four primary methods of getting a reference to a process or processes? **
-/* --== Question Answer separator ==-- */
-Answer: The //GetCurrentProcess//, //GetProcessById//, //GetProcessByName// and //GetProcesses//.
-/* --== Answer Question separator ==-- */
-** C10L3Q3: How do you start an external executable from .NET code? **
-/* --== Question Answer separator ==-- */
-Answer: Call the //Process.Start// method.
-/* --== Answer Question separator ==-- */
-** C10L3Q4: How do you start an external executable with command line arguments from .NET code? **
-/* --== Question Answer separator ==-- */
-Answer: Create or get a reference to a //ProcessStartInfo// object, set the //Arguments// property and pass it to the //Process.Start// method.
-/* --== Answer Question separator ==-- */
-** C10L3Q5: What object type should secure text be stored in? **
-/* --== Question Answer separator ==-- */
-Answer: //SecureString//
-==== Chapter 2 ====
-/* --== Answer Question separator ==-- */
-** PragC2Q1: When does software maintenance begin and why? **
-/* --== Question Answer separator ==-- */
-Answer: Software maintenance begins as soon as coding starts, because things keep changing (requirements and our understanding of them, environments, knowledge etc.)
-/* --== Answer Question separator ==-- */
-** PragC2Q2: What is the //DRY// principle? **
-/* --== Question Answer separator ==-- */
-Answer: Don't Repeat Yourself.
-//"Every piece of knowledge must be a single unambiguous, authoritative representation with in a system."//
-/* --== Answer Question separator ==-- */
-** PragC2Q3: What are the four categories of duplication? **
-/* --== Question Answer separator ==-- */
-Hint: The four //i//'s of duplication.
 Answer:
-  * //Imposed// - Developers feel they have no choice - the environment appears to require duplication.
+  * The //Literal// control does not support styles, themes, and skins.
-  * //Inadvertent// - Developers don't realise they are duplicating information.
+  * The //Literal// control does not inherit from //WebControl//.
-  * //Impatient// - Developers get lazy and duplicate because it seems easier.
-  * //Interdeveloper// - Multiple people on a team (or different teams) duplicate information.
-/* --== Answer Question separator ==-- */
+===== Chapter 3: Exploring Specialized Server Controls =====
-** PragC2Q4: What is a technique for avoiding or reducing imposed duplication? **
+==== Lesson 1: Exploring Specialized Web Server Controls ====
-/* --== Question Answer separator ==-- */
-Answer: Code generation.
-====== Article 1: Design Principles and Design Patterns, Robert C. Martin ======
 /* --== Answer Question separator ==-- */
-** Art1P2Q1: What are the four primary symptoms of rotting design? **
+/* Added 20110823 */
-/* --== Question Answer separator ==-- */
-Answer:
-  * Rigidity (changes cascade)
-  * Fragility (breaks whenever it is changed)
-  * Immobility (inability to reuse software from other projects or part of the system)
-  * Viscosity (easier for the engineers to break the design with hacks rather than preserve it)
-/* --== Answer Question separator ==-- */
-** Art1P4Q1: What kind of requirements changes cause design rot? **
+** WebC3L1Q1: What are the three modes of the //Literal// control? **
 /* --== Question Answer separator ==-- */
-Answer: Changes that introduce new and unplanned for __dependencies__.
+Answer: //PassThrough//, //Encode// and //Transform//.
 /* --== Answer Question separator ==-- */
-** Art1P4Q2: What technique can be used to prevent degradation of the dependency architecture? **
+/* Added 20110823 */
-/* --== Question Answer separator ==-- */
+** WebC3L1Q2: What is the advantage of using the //Table//, //TableRow// and //TableCell// controls over using straight HTML markup? **
-Answer: Dependency firewalls.
-====== IT Questions ======
-/* --== Answer Question separator ==-- */
-** ITQ3: What is the Unicode number for the snowman character? **
-<html>
-<span style="font-size:60px">&#9731;<span>
-</html>
 /* --== Question Answer separator ==-- */
-Answer: 2603.
+Answer: The ability to add rows and cells programmatically.
-==== Amy Update Only ====
 /* --== Answer Question separator ==-- */
-** C5L2Q2: What are the three steps to serialise data to XML? **
+/* Added 20110824 */
-/* --== Question Answer separator ==-- */
+** WebC3L1Q3: What web control should be used if clicking on an image is required? **
-Answer:
-  - Create or get a reference to a stream, //TextWriter//, or //XmlWriter// object to hold the serialised output.
-  - Create or get a reference to an //XmlSerializer// object, passing it the type of object to be serialised.
-  - Call the //XmlSerializer// object's //Serialize// method, passing the stream and the object to be serialised.
-/* --== Answer Question separator ==-- */
-** C5L2Q3: What are the three steps to deserialise data from XML? **
 /* --== Question Answer separator ==-- */
-Answer:
+Answer: //ImageButton// or //ImageMap//.
-  - Create or get a reference to a stream, //TextReader//, or //XmlReader// object to read the serialised input.
-  - Create or get a reference to an //XmlSerializer// object, passing it the type of object to be deserialised.
-  - Call the //XmlSerializer// object's //Deserialize// method, passing the stream, and cast the result.
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