.NET 2015

1. Which C# code will output an element's value from a multidimensional array?
Answers:
• Console.WriteLine( myArray(1),(3) );
• Console.WriteLine( myArray{1}{3} );
• Console.WriteLine( myArray[1.3] );
• Console.WriteLine( myArray[1][3] );

2. In ASP.NET, does EnableViewState allow the page to save user input on a form?
Answers:
• Yes
• No
3. Which of the following keywords is used to include existing namespace in a C# program?
Answers:
• import
• namespace
• package
• using
4. Which caching type is supported by ASP.NET?
Answers:
• None of these
• Data caching
• Output caching
• Output caching and data caching
5. Which of the following kick in the Garbage Collector (GC) process?
Answers:
• The system has low physical memory
• The total memory being used on the managed heap exceeds the acceptable threshold
• When GC.Collect method is invoked
• All of the given options are correct
6. In which of the following GC Collection mode the garbage collector determines whether the current time is optimal to reclaim objects?
Answers:
• Parallel
• Optimized
• Forced
• Concurrent
7. In your Web application named ABCWebApp1, you have configured a custom-templated server control named ABCSC that has child controls in the page.  To help ensure distinctive identification of the child controls within the hierarchy of the page, you should consider applying the _______ interface.
Answers:
• INamingContainer
• IDisposable
• GCNotificationStatus Enumeration
• IBindableTemplate
8. In ASP.NET, what is the difference between Response.Write() and Response.Output.Write()?
Answers:
• Response.Output.Write() allows you to write formatted output
• Response.Output.Write() allows you to flush output
• Response.Output.Write() allows you to stream output
• Response.Output.Write() allows you to buffer output
9. Which of the following methods is used for destroying threads?
Answers:
• Stop
• Destroy
• Kill
• Abort
10. Your Web application was developed on .NET 1.0 and uses MS IIS 6.0. It does not use any features of MS .NET Framework 3.5.  To configure the Web application for .NET Framework 3.5 with as little administrative effort as possible, you should consider accessing _______ to modify the handler runtime version.
Answers:
• MS IIS 6.0
• The app.config file
• The web.config file
• The machine.config file
11. Which of the following methods causes a thread to wait the number of times defined by the iterations parameter?
Answers:
• SpinWait
• Sleep
• Join
• Wait
12. Your Web application should make use of ASP.NET AJAX. It will also be installed in abcdef.com's Web farm environment.  To configure the SessionState of the new Web application before deployment, you should consider setting the mode attribute of the <sessionState> element to _______.
Answers:
• Custom
• StateServer
• SQLServer
• Off
13. Methods that are declared abstract in the base class must show implementation at the time of declaration.
Answers:
• False
• True
14. In ASP.NET, custom controls are derived from the ________ class.
Answers:
• System.Web.UI.Webcontrol
• System.Web.UI.Customcontrol
• System.Web.UI.Customcontrols.Webcontrol
15. Your Web form uses the following code to display data from a SQL Server 2005 database. What must you add to the _ItemBound event handler in order to access the value of the hlName HyperLink in a variable named var?   <asp:RepeaterID="ABCRepeater" runat="server"DataSourceID="SqlDS1" ItemDataBound="_ItemBound"> <ItemTemplate><asp:Hyperlink ID="hlName" runat="server"Text='<%# Eval("ProdName") %> NavigateURL='<%# Eval("ProdURL") %>' /> </ItemTemplate></asp:Repeater>
Answers:
• HyperLink var = rptData.FindControl("hlName") as HyperLink;
• HyperLink var = e.Item.FindControl("hlName") as HyperLink;
• HyperLink var = e.Item.Parent.FindControl("hlName") as HyperLink;
• HyperLink var = Page.FindControl("hlName") as HyperLink;
16. When an unhandled exception occurs on products.aspx, your Web application should display an error page that contains the stack trace, and this page must be displayed only to remote users. You set the Page attribute for the products.aspx page to:  <%@ Page Language="VB" AutoEventWireup="true" CodeFile="products.aspx.vb" Inherits="_products" ErrorPage="~/ABCApp/error.html" Debug="false" %>  Which configuration should you use to the Web.config file?
Answers:
• <customErrors mode="Off"> <error statusCode="500" redirect="error.html" /> </customErrors>
• <customErrors mode="On" />
• <customErrors mode="Remote Only" />
• <compilation debug="true"/>
17. In C#, what does the following code create: String mystring;
Answers:
• A class
• An object
• A class and a constructor
• A constructor
18. In ASP.NET, postback occurs in which of the following forms?
Answers:
• Winforms
• HTMLForms
• Webforms
19. In the body of a method, C# uses the variable named ________ to refer to the current object whose method is being invoked.
Answers:
• this
• that
• call
• do
20. In C#, what is the proper header for a class that intends to use an interface?
Answers:
• class MyClass : Iface
• class MyClass {IFace}
• class MyClass ; Iface
• class MyClass Iface
21. String indexers treat strings as _______.
Answers:
• Binary code
• A character
• Arrays of characters
• 1 to string length
22. Synchronization means _______.
Answers:
• Make every thread start and end at the same time
• Ensure that two concurrently-executing threads or processes do not execute specific portions of a program at the same time
• Delay a thread until there is sufficient memory and work to keep it up
• Make every thread do the same thing
23. Which of the following namespaces contain types that enable interaction with system processes, event logs, and performance counters?
Answers:
• System.AddIn
• System.Data
• System.Diagnostics
• System.ComponentModel
24. In ASP.NET, to what namespace does the Web page belong in the .NET Framework class hierarchy?
Answers:
• System.web.UI.Page
• System.Web.page
• System.Windows.Page
25. In ASP.NET, to add a custom control to a Web form you have to register with:
Answers:
• TagPrefix
• Assemblyname
• The namespace of the .dll that is referenced
• All of these
26. In C#, what does the following code do: class Test: Form { }
Answers:
• Creates the class Test : Form
• Creates the class Test : Form and creates the class Test that inherits the class Form
• Creates the class Test that inherits the class Form
• Creates the class Form that inherits the class Test
27. In ASP.NET, what control does not have any visible interface?
Answers:
• DropdownList
• Repeater
• Datagrid
• Datalist
28. Your Web application, ABCWebApp1, is configured to use Windows Authentication. After granting a specific group NTFS permissions to access a specific file named ABC.doc, you need to ensure that users not belonging to this group cannot access the file. You should _______.
Answers:
• Configure the app.config file to include the <authentication mode="[None]"> element
• Configure the machine.config file to include the <identity impersonate="true"/> element
• Configure the Web.config file to include the <identity impersonate="true"/> element
• Configure the machine.config file to include the <authentication mode="[None]"> element
29. Which of the following namespaces contain types that support deployment of ClickOnce applications?
Answers:
• System.Configuration
• System.Data
• System.ComponentModel
• System.Deployment
30. In ASP.NET, how do you register a user control?
Answers:
• Add Source, Tag prefix
• Add Src, Tagprefix, Tagname
• Add Tag prefix, Tag name
31. In ASP.NET, IsPostBack is a ________.
Answers:
• Read-only property of the System.Web.UI.Page class
• Method of the System.UI.Web.Page class
• Method of the System.Web.UI.Page class
32. In your Web application, you create a class to implement the IHttpHandler interface. Which code will display the Warning.jpg image in the browser whenever the handler is requested?
Answers:
• public void ProcessRequest(HttpContext ctx){StreamReader sr = new StreamReader(OpenRead(ctx.Server.MapPath("Warning.jpg")));ctx.Response.Pics("pic ");sr.Close();}
• public void ProcessRequest(HttpContext ctx){ctx.Response.TransmitFile("image/jpg");(_ctx.Server.MapPath("Warning.jpg"));Stream b = default(Stream);while ((b == fs.ReadByte()) != -1) {ctx.Response.Output.Write((b));}Fs.Close();}
• public void ProcessRequest(HttpContext ctx){StreamReader sr = new StreamReader(_File.OpenRead(ctx.Server.MapPath("Warning.jpg")));ctx.Response(sr.ReadToEnd());}
• public void ProcessRequest(HttpContext ctx){ctx.Response.ContentType = "image/jpg";FileStream fs = File.OpenRead(_ctx.Server.MapPath("Warning.jpg"));int b = 0;while ((b == fs.ReadByte()) != -1) {ctx.Response.OutputStream.WriteByte(Convert.ToByte(b));}fs.C
33. In ASP.NET, how do you explicitly kill a user session?
Answers:
• Session.Discard( )
• Session.End
• Session.Close( )
• Session.Abandon
34. Your Web form uses the following code to display data from a SQL Server 2005 database. What must you add to the _ItemBound event handler in order to access the value of the hlName HyperLink in a variable named var? <asp:RepeaterID="ABCRepeater" runat="server"DataSourceID="SqlDS1" ItemDataBound="_ItemBound"> <ItemTemplate><asp:Hyperlink ID="hlName" runat="server"Text='<%# Eval("ProdName") %> NavigateURL='<%# Eval("ProdURL") %>' /> </ItemTemplate></asp:Repeater>
Answers:
• HyperLink var = rptData.FindControl("hlName") as HyperLink;
• HyperLink var = Page.FindControl("hlName") as HyperLink;
• HyperLink var = e.Item.Parent.FindControl("hlName") as HyperLink;
• HyperLink var = e.Item.FindControl("hlName") as HyperLink;
35. Your Web appplication, ABCApp1, is hosted on ABC-SR13 and runs an instance of MS SQL Server 2005 locally configured to use Windows Authentication.  As you prepare to configure the role management and membership providers on ABC-SR13, you should consider using _______.
Answers:
• The Aspnet_merge.exe command
• The ASP.NET SQL Server registration tool
• The Aspnet_compiler.exe command and the aspnet_regiis.exe command
• The Aspnet_compiler.exe command
36. If an IndexofAny method is passed an array of characters, _______.
Answers:
• It searches for the first occurrence of the sequence of characters
• It finds the first occurrence of each letter in the string
• It generates an error
• It searches for the first occurrence of any of the characters in the string
37. Where is the default session data stored in ASP.NET?
Answers:
• All of these
• Session Object
• InProcess
• StateServer
38. Which of the following .Net framework class can be used for Custom Parallel Partitioning ?
Answers:
• ConcurrentQueue<T>
• BlockingCollection<T> Class
• ConcurrentBag<T>
• OrderablePartitioner<TSource>
39. Which of the following provides blocking and bounding capabilities for thread-safe collections?
Answers:
• ConcurrentBag<T>
• ConcurrentDictionary<TKey, TValue>
• BlockingCollection<T> Class
• ConcurrentQueue<T>
40. Your Web application should facilitate posting of user comments that must remain visible to all application users. Your code will make use of a SqlDataSource control named SqlDataSource1 and allow the IP address of every user who posts a comment to be captured.  Which is the correct way to start your code?
Answers:
• private void SaveComment(){ string ipaddr = null; ipaddr = Request.ServerVariables("REMOTE_ADDR").ToString(); // ...
• private void SaveComment(){ string ipaddr = null; ipaddr = Request.ServerVariables("REMOTE_ADDR").ToString(); SqlDataSource1.Insert(); // ...
• private void SaveComment(){ string ipaddr = null; ipaddr = Request.ServerVariables("REMOTE_ADDR").ToString(); SqlDataSource1.InsertParameters("IPAddress").DefaultValue = ipaddr; // ...
• private void SaveComment(){ string ipaddr = null; ipaddr = Request.ServerVariables("REMOTE_ADDR").ToString(); SqlDataSource1.InsertParameters("IPAddress") = ipaddr; // ...
41. Which of the following property gets the current thread ?
Answers:
• Thread.Current
• Thread.Thread
• this.CurrentThread
• Thread.CurrentThread
42. Which of the following methods is not a member of the ADODBCommand object?
Answers:
• ExecuteStream
• ExecuteReader
• ExecuteScalar
• Open
43. When an unhandled exception occurs on products.aspx, your Web application should display an error page that contains the stack trace, and this page must be displayed only to remote users. You set the Page attribute for the products.aspx page to:  <%@ Page Language="VB" AutoEventWireup="true" CodeFile="products.aspx.vb" Inherits="_products" ErrorPage="~/ABCApp/error.html" Debug="false" %>  Which configuration should you use to the Web.config file?
Answers:
• <customErrors mode="Off"> <error statusCode="500" redirect="error.html" /> </customErrors>
• <compilation debug="true"/>
• <customErrors mode="On" />
• <customErrors mode="Remote Only" />
44. In ASP.NET, there can be more than 1 machine.config file in a system.
Answers:
• True
• False
45. In ASP.NET, ________ are displayed correctly in the Visual Studio .NET Designer.
Answers:
• User controls and custom controls
• Custom controls
• User controls
46. Your Web application, ABCWebApp1, is configured to use Windows Authentication. After granting a specific group NTFS permissions to access a specific file named ABC.doc, you need to ensure that users not belonging to this group cannot access the file. You should _______.
Answers:
• Configure the machine.config file to include the <authentication mode="[None]"> element
• Configure the app.config file to include the <authentication mode="[None]"> element
• Configure the machine.config file to include the <identity impersonate="true"/> element
• Configure the Web.config file to include the <identity impersonate="true"/> element
47. In your Web application, you create a class to implement the IHttpHandler interface. Which code will display the Warning.jpg image in the browser whenever the handler is requested?
Answers:
• public void ProcessRequest(HttpContext ctx){StreamReader sr = new StreamReader(_File.OpenRead(ctx.Server.MapPath("Warning.jpg")));ctx.Response(sr.ReadToEnd());}
• public void ProcessRequest(HttpContext ctx){StreamReader sr = new StreamReader(OpenRead(ctx.Server.MapPath("Warning.jpg")));ctx.Response.Pics("pic ");sr.Close();}
• public void ProcessRequest(HttpContext ctx){ctx.Response.ContentType = "image/jpg";FileStream fs = File.OpenRead(_ctx.Server.MapPath("Warning.jpg"));int b = 0;while ((b == fs.ReadByte()) != -1) {ctx.Response.OutputStream.WriteByte(Conv
• public void ProcessRequest(HttpContext ctx){ctx.Response.TransmitFile("image/jpg");(_ctx.Server.MapPath("Warning.jpg"));Stream b = default(Stream);while ((b == fs.ReadByte()) != -1) {ctx.Response.Output.Write((b));}Fs.Close();}
48. Your Web application on IIS 6.0 includes OldPage.aspx. When a user tries to access OldPage.aspx, the browser should display the URL for OldPage.aspx, but open NewPage.aspx. Which code will accomplish this?
Answers:
• Server.Transfer("NewPage.aspx");
• Response.Redirect("NewPage.aspx");
• Server.MapPath("NewPage.aspx");
• Server.Execute("NewPage.aspx");
49. Your Web application should facilitate posting of user comments that must remain visible to all application users. Your code will make use of a SqlDataSource control named SqlDataSource1 and allow the IP address of every user who posts a comment to be captured.  Which is the correct way to start your code?
Answers:
• private void SaveComment(){ string ipaddr = null; ipaddr = Request.ServerVariables("REMOTE_ADDR").ToString(); SqlDataSource1.InsertParameters("IPAddress").DefaultValue = ipaddr; // ...
• private void SaveComment(){ string ipaddr = null; ipaddr = Request.ServerVariables("REMOTE_ADDR").ToString(); SqlDataSource1.InsertParameters("IPAddress") = ipaddr; // ...
• private void SaveComment(){ string ipaddr = null; ipaddr = Request.ServerVariables("REMOTE_ADDR").ToString(); SqlDataSource1.Insert(); // ...
• private void SaveComment(){ string ipaddr = null; ipaddr = Request.ServerVariables("REMOTE_ADDR").ToString(); // ...
50. In C#, a local variable ________.
Answers:
• Can be used anywhere in the program
• Represents a class object
• Is declared within a method
• Must accept a class
51. A delegate is _______.
Answers:
• A class that encapsulates methods
• A Washington representative
• A means of passing arrays into methods
• A substitue for an inherited method
52. In C#, use _______ to return a thread from a suspended state.
Answers:
• Interrupt
• Restart
• Resume
• Pulse
53. A _______ block encloses code that could throw an exception.
Answers:
• Exception
• Catch
• Error
• Try
54. In ASP.NET, what is the extension of a web user control file?
Answers:
• .ascx
• .asmx
• .ashx
• .aspx
55. An abstract class _______.
Answers:
• May extend another class
• All of these
• May contain constructors
• May contain instance variables
56. In C#, a constructor ________.
Answers:
• Must have the same name as the class it is declared within
• Is used to create objects
• All of these
• May be overloaded
57. To configure authentication for your Web application so clients cannot access it anonymously, but access is allowed for users from untrusted domains, where should the following code be added to?  <system.web> <authentication mode="Forms"> <forms loginUrl="login.aspx" /> </authentication> <authorization> <deny users="?" /> </authorization> </system.web>
Answers:
• The app.config file
• The web.config file
• The project's property pages
• The workstation's machine.config file
58. When an .aspx page is requested from the web server, the output is rendered to the browser in which format?
Answers:
• wml
• txt
• html
• jsp
59. The ASP.NET server control, which provides an alternative way of displaying text on web page, is:
Answers:
• < asp:listitem >
• < asp:label >
• < asp:button >
60. Which of the following is not a component of .Net framework?
Answers:
• Windows Forms
• JVM
• Metadata and Assemblies
• Common Language Specification
61. A Thread _______.
Answers:
• Is an object that wraps itself with other threads
• Is a deprecated object that is no longer used
• Does not exist
• Is an object that allows computer multitasking
62. In C#, a variable declared inside a method is called a _________ variable.
Answers:
• Local
• Private
• Static
• Serial
63. In C#,  is it possible to pass methods as arguments for other methods without modification.
Answers:
• True
• False
64. How do you manage states in an ASP.NET application?
Answers:
• All of these
• Application objects
• Viewstate
• Session objects
65. A class declared with the sealed keyword cannot be a base class.
Answers:
• True
• False
66. What type of processing model does ASP.NET simulate?
Answers:
• Static
• Linear
• Top-down
• Event-driven
67. The first event to be triggered in an .aspx page is:
Answers:
• Page.Init
• Page.Load
• Page.PreRender
68. Which of the following is not a VALID C# access specifier ?
Answers:
• Private
• Static
• Protected
• Public
69. A String literal _______.
Answers:
• Contains numbers rather than letters
• Contains only one character
• Contains exactly its variable name and nothing else
• Is a sequence of characters in double quotation marks
70. True or false? In C#, a class can inherit from multiple interfaces.
Answers:
• False
• True
71. Exception objects are derived from the _______ class.
Answers:
• Event
• Exception
• Catch
• System
72. Which of the following is a valid syntax of entry point of all C# programs?
Answers:
• static Main(string args)
• static void Main(string[] args)
• Static void Main(string[] args)
• static Main(string[] args)
73. Which of the following reasons make C# a widely used professional language?
Answers:
• All of the given options are correct
• Structured language
• Component oriented
• Object oriented
74. Which of the following are part of ASP.NET?
Answers:
• SignalR
• All answers are correct.
• ASP.NET and MVC
• Web Forms and MVC.
• Web Forms, MVC, and Web API
75. To be able to use following statement, which particular namespace has to be included in a C# program? Console.WriteLine("Hello World")
Answers:
• Console
• WriteLine
• System
• Print
76. Which of the following exception is thrown when a member/class lookup results in more than one member/class matching the lookup criteria?
Answers:
• System.Reflection.AmbiguousMatchException
• FileNotFoundException
• FormatException
• AppDomain.UnhandledException
77. An event is _______.
Answers:
• Code used to force a user action
• Not an object type
• The result of a user action
• The result of a party
78. To create a string literal exclude escape sequence, use _______.
Answers:
• $string
• @string
• !string
• #string
79. In ASP.NET, which method do you invoke on the Data Adapter control to load your generated dataset?
Answers:
• Fill()
• Read( )
• ExecuteQuery( )
80. What does the following code snippet imply : namespace TestApplication   {     class HelloWorld {} }
Answers:
• TestApplication namespace contains the class HelloWorld
• Compilation error
• TestApplication class contains the namespace HelloWorld
• TestApplication class contains the class HelloWorld
81. In ASP.NET, why is Global.asax used?
Answers:
• To declare Global variables
• Neither of these
• To implement application and session level events
82. Which of the following would force an immediate garbage collection of all generations?
Answers:
• GCCollect()
• GC.Garbage()
• GC.Force()
• GC.Collect()
83. How is ASP.NET different from classic ASP?
Answers:
• Scripting is separated from the HTML, and code is interpreted separately
• Code is separated from the HTML, and interpreted code is interpreted separately
• Scripting is separated from the HTML, code is compiled as a DLL, and DLLs can be executed on the server
84. Which of the following is true about the following : for(;;) {  Console.WriteLine("Testing for loop"); }
Answers:
• Compilation error
• It's an infinite loop
• "Testing for loop" will get printed twice
• "Testing for loop" will get printed once
85. Which of the following "type" of members are accessible only within files in the same DLL ?
Answers:
• Internal
• Protected
• Private
86. To develop an application that meets the following requirements, you should consider using the _______ method. • A different ASPX page is displayed when the application's original URL is entered • After the page executes, the original URL is not visible to users • A single client browser request is sufficient for the execution of a page
Answers:
• HttpContext.Current.ToString
• HttpContext.Current.GetType
• HttpContext.Current.RemapHandler
• HttpContext.Current.RewritePath
87. A method _______ an exception when that method detects that a problem has occured.
Answers:
• Trys and Catches
• Throws
• Catches
• Trys
88. BCL stands for?
Answers:
• Bass Class Language
• Base Class Libraries
• Binary Class Language
• Binary Common Libraries
• Base Class Language
89. How many generations does Garbage Collector use for Small Objects in .Net?
Answers:
• 6
• 4
• 5
• 3
90. The number of forms that can be added to a .aspx page is ________.
Answers:
• 1
• 2
• 3
• More than 3
91. Which of the following represents a thread-safe map of key/value pair and can be used in a multi-threaded environment?
Answers:
• ConcurrentBag
• ConcurrentDictionary
• BlockingCollection
• ConcurrentQueue
92. In C#, what code converts a string to lowercase?
Answers:
• string.ToLower();
• string.ToLower(string);
• ToLower(string);
• String = string.ToLower(string);
93. Your Web application lets users upload files and is hosted in Microsoft IIS 6.0 on a server named ABC-SR01. The application uses the default application pool with Windows Authentication. You cannot upload a file from your workstation using the application; instead, you see an access denied message. To fix this problem, you enable debugging. Next, you should _______.
Answers:
• Add your Windows user account to the Administrators group on ABC-SR01
• Stop and restart the application pool on ABC-SR01
• Add the following configuration to the Web.config file <identity impersonate="true" />
• Create a Debugger Users group on your workstation and add your Windows user account to it
94. Which of the following is the actual .net code translated into?
Answers:
• CLR
• CLS
• CTS
• MSIL
95. Which of the following is a valid C# constant definition?
Answers:
• final <data_type> <constant_name> = value;
• const <data_type> <constant_name> = value;
• constant <data_type> <constant_name> = value;
• (all of these)
96. The ThreadPriority enumeration does not contain _______.
Answers:
• Belownormal
• Highest
• Lowest
• ThreadPriority enumeration contains all of these.
97. In C#, two StringBuilder objects that contain the same string _______.
Answers:
• All of these
• Represent the same memory location
• Are two different objects
• Are both changed when a change is made to either
98. To ensure that the timing and performance data of your web application is gathered and only made available to users when they are logged on the web server, which code should you add to the Web.config file?
Answers:
• <compilation debug="true" urlLinePragmas="false"> ... </compilation>
• <trace enabled="true" pageOutput="false" localOnly="true" />
• <compilation debug="false" urlLinePragmas="true"> ... </compilation>
• <trace enabled="false" pageOutput="true" localOnly="false" />
99. The String class and Char structure are found in the _______.
Answers:
• System.Chars namespace
• System.Strings namespace
• System namespace
• System.Text namespace
100. While browsing your Web application in IIS 6.0, you receive a Server Application Unavailable error. The application event log states: It is not possible to run two different versions of ASP.NET in the same IIS process. Please use the IIS Administration Tool to reconfigure your server to run the application in a separate process.  To solve this problem as quickly as possible, you should _______.
Answers:
• Change the IIS isolation mode and assign the application to a new application pool
• Change the IIS isolation mode and restart the application pool that hosts the application
• Assign the application to a new application pool and run the Aspnet_regiis.exe tool
• Assign the application to a new application pool and configure all applications that are part of your application's application pool to use the same version of ASP.NET
101. Which of the following is not a VALID variable type in C#?
Answers:
• Value
• Numeral
• Reference
• Pointer
102. Your Web application contains the following class: public class Certs { public string Title {get; set;} public string Number { get; set; } public string Vendor { get; set; } } You store data in certData.xml with the following structure: <Certs> <title>cert title</title> <code>xx-xxx</code> <vendor>vendor name</vendor> </Certs> Which code segment will bind the data in certData.xml to the instance of List<Certs> named ABCCertsList?
Answers:
• certData.DataSource = ABCCertList;certData.DataValueField = "Certs.title";certData.DataBind();
• XmlSerializer xmlserial = new XmlSerializer(typeof(Certs));Certs cert = xmlserial.Deserialize(xmlStream) as Certs;ABCCertList.Text = cert.title();
• certData.DataSource = ABCCertList;certData.DataTextField = "title";certData.DataBind();
• XmlReader xmlread = XmlReader.Create(xmlStream);Certs cert = xmlread.ReadContentAs(typeof(Certs),null) as Certs;ABCCertList.Text = cert.title();
103. Your Web application on IIS 6.0 includes OldPage.aspx. When a user tries to access OldPage.aspx, the browser should display the URL for OldPage.aspx, but open NewPage.aspx. Which code will accomplish this?
Answers:
• Server.Transfer("NewPage.aspx");
• Server.MapPath("NewPage.aspx");
• Server.Execute("NewPage.aspx");
• Response.Redirect("NewPage.aspx");
104. Evaluate. Which statement must be true for the code to compile and run correctly? public class B : A { public B(int i) :base(i) { } }
Answers:
• One of the constructors in the class A takes an argument of the type i
• One of the constructors in the class A takes an argument of the type int
• Class A has only a default constructor
• One of the constructors in the class A takes an argument of the type I, and the class has only a default constructor
105. Concatenation of strings is done with _______.
Answers:
• Operator overloading
• Reserved words
• Operator overloading and method calls
• Method calls
106. How does the .Net framework define a Large Object?
Answers:
• larger than 185KB
• larger than 85KB
• Multidimensional arrays
• larger than 85KB OR Multidimensional arrays
107. Which of the following is NOT a valid GC Collection mode ?
Answers:
• Default
• Optimized
• Parallel
• Forced
108. Which of the following is NOT a reserved keyword in C#?
Answers:
• ascending
• groupby
• orderby
• descending
109. Which of the following is not a VALID integer literal?
Answers:
• 0x4b
• 30ul
• 30u
• 032UU
110. The CLR allocates memory for new objects in which of the following Generation?
Answers:
• Generation 3
• Generation 2
• Generation 1
• Generation 0
111. All methods in an abstract base class must be declared abstract.
Answers:
• True
• False
112. In ASP.NET, which one of the following namespaces contains the definition for IdbConnection?
Answers:
• System.Data.Common
• System.Data.Connection
• System.Data.Interfaces
• System.Data
113. Your Web application contains an IHttpHandler interface named ABCHandler.  To render the validationBitmap instance as a JPEG image as soon as ABCHandler is requested, what code segment should you add to ABCHandler?
Answers:
• public void ProcessRequest(HttpContext context){Bitmap validationBitmap = (Bitmap)Session["ValidationImage"]; context.Response.ContentType = "image/jpeg"; validationBitmap.Save(context.Response.OutputStream, ImageFormat.Jpeg);}
• public void ProcessRequest(HttpContext context){Bitmap validationBitmap = (Bitmap)Session["ValidationImage"]; context.Response.ContentType = "image/jpeg"; validationBitmap.Save(context.Request.InputStream, ImageFormat.Jpeg);}
• public void ProcessRequest(HttpContext context){Bitmap validationBitmap = (Bitmap)Session["ValidationImage"]; context.Response.ContentType = "image/jpeg"; context.Response.Write(validationBitmap.RawFormat);}
• public void ProcessRequest(HttpContext context){Bitmap validationBitmap = (Bitmap)Session["ValidationImage"]; context.Response.ContentType = "image/jpeg"; context.Response.Write(validationBitmap);}
114. Which of the following is not a VALID floating point literal?
Answers:
• 3.14159
• 314159E-5L
• 2.74
• 510E
115. Which of the following interrupts the thread, which contains wait, sleep or join state?
Answers:
• Join()
• Abort()
• Interrupt()
• Yield()
116. In ASP.NET, what is the maximum number of cookies that can be allowed for a web site?
Answers:
• 1
• More than 30
• 10
• 20
117. Your Web application must be reconfigured to include a new theme. To implement the theme in such a way that the theme settings take precedence over all individual control settings, you should consider _______.
Answers:
• Creating a default page for the application and setting the Theme attribute to the name of the theme in the @Default directive
• Setting the Theme attribute of the pages element to the name of the theme in the application's App.config file
• Setting the Theme attribute of the pages element to the name of the theme in the application's Web.config file
• Creating a master page for the application and setting the Theme attribute to the name of the theme in the @Master directive
118. You must add a new custom control to an .aspx page in your Web application, with these requirements: • The state of the custom control must remain static for 2 minutes • The cache settings of other elements on the page must not be affected by the settings for the new custom control Which code will meet the requirements when added to the Web.configfile?
Answers:
• <caching> <outputCacheSettings> <outputCacheProfiles> <addname="CachedProfileSet" varyByControl="controlname" duration="120" /> </outputCacheProfiles> </outputCacheSettings> </caching>
• <caching> <outputCacheSettings> <outputCacheProfiles> <ProfileCache profile="CachedProfileSet" varyByControl="CachedControl" duration="120"> </ProfileCache> </outputCacheProfiles> </outputCacheSettings> </cachi
• <caching> <outputCacheSettings> <outputCacheProfiles> <ProfileCache profile="CachedProfileSet" varyByControl="CachedControl" duration="2"> </ProfileCache> </outputCacheProfiles> </outputCacheSettings> </caching
• <caching> <outputCacheSettings> <outputCacheProfiles> <addname="CachedProfileSet" varyByParam="CachedControl" duration="2" /> </outputCacheProfiles> </outputCacheSettings> </caching>
119. In C#,  an instance method ________.
Answers:
• Represents the behavior of an object
• Represents both the behavior and attributes of an object
• Represents another class
• Represents the attributes of an object
120. In ASP.NET, which property of the session object is used to set the locale identifier?
Answers:
• LCID
• Key
• SessionId
• Item
121. If A = 60, what will be the value of A >> 2 ?
Answers:
• 17
• 0000 1111
• 14
• 0000 0111
122. Your Web application ABCApp1, uses MS .NET Framework 3.5.  After retrieving the project code from your source control repository, you try to compile it on your workstation and find that the reference to the assembly is absent.  You should access _______ to add a reference path that connects to the absent assembly.
Answers:
• The project's property pages
• ABCApp1's web.config file
• ABCApp1's app.config file
• Your workstation's machine.config file
123. A thread returning from a WaitSleepJoin or Suspended state returns to the _______.
Answers:
• Stopped state
• Resume state
• Unstarted state
• Started state (now considering a part of the running state)
124. Which of the following is not a valid built-in C# reference type?
Answers:
• string
• dynamic
• class
• object
125. Which of the following Generation contains the longest surviving objects?
Answers:
• Generation 0
• Generation 1
• Generation 3
• Generation 2
126. In ASP.NET, which .DLL translates XML to SQL in IIS?
Answers:
• SQLIIS.dll
• LISXML.dll
• SQLXML.dll
• SQLISAPI.dll
127. Which of the following is NOT a method in Thread class?
Answers:
• public void Abort()
• public static LocalDataStoreSlot AllocateDataSlot()
• public static void EndCriticalRegion()
• public void Run()
128. Use the _______ methods to lock and unlock an object.
Answers:
• Close and Open
• Close and Allow
• Enter and Exit
• Lock and Unlock
129. In C#, an instance variable ________.
Answers:
• Is an object of a class
• Is both an object of a class and a method of a class
• Represents an attribute of an object
• Is a method of a class
130. Which of the following is not a valid state in the life cycle of a thread ?
Answers:
• Not Runnable
• Unstarted
• Started
• Ready
131. An event is often:
Answers:
• The result of a user action
• Not an object type
• Code used to force a user action
• The result of a party
132. To configure authentication for your Web application so clients cannot access it anonymously, but access is allowed for users from untrusted domains, where should the following code be added to?  <system.web> <authentication mode="Forms"> <forms loginUrl="login.aspx" /> </authentication> <authorization> <deny users="?" /> </authorization> </system.web>
Answers:
• The project's property pages
• The app.config file
• The workstation's machine.config file
• The web.config file
133. What is the number of server forms that can be added to a .aspx page?
Answers:
• More than 3
• 1
• 3
• 2
134. Which of the following is true about the following : for(;;) {  Console.WriteLine("Testing for loop"); }
Answers:
• Compilation error
• "Testing for loop" will get printed twice
• "Testing for loop" will get printed once
• It's an infinite loop
135. To ensure that the timing and performance data of your web application is gathered and only made available to users when they are logged on the web server, which code should you add to the Web.config file?
Answers:
• <trace enabled="true" pageOutput="false" localOnly="true" />
• <compilation debug="true" urlLinePragmas="false"> ... </compilation>
• <compilation debug="false" urlLinePragmas="true"> ... </compilation>
• <trace enabled="false" pageOutput="true" localOnly="false" />
136. The following code is an example of:  public class A  {   IEmailSender _emailSender   public A(IEmailSender emailSender)   {     _emailSender = emailSender;   }    private void SendEmail()   {      _emailSender.Send();   } }
Answers:
• Dependency Injection
• Inheritance
• Tightly coupled classes
• Method Overloading
137. Your Web application contains an IHttpHandler interface named ABCHandler.  To render the validationBitmap instance as a JPEG image as soon as ABCHandler is requested, what code segment should you add to ABCHandler?
Answers:
• public void ProcessRequest(HttpContext context){Bitmap validationBitmap = (Bitmap)Session["ValidationImage"]; context.Response.ContentType = "image/jpeg"; validationBitmap.Save(context.Response.OutputStream, ImageFormat.Jpeg);}
• public void ProcessRequest(HttpContext context){Bitmap validationBitmap = (Bitmap)Session["ValidationImage"]; context.Response.ContentType = "image/jpeg"; validationBitmap.Save(context.Request.InputStream, ImageFormat.Jpeg);}
• public void ProcessRequest(HttpContext context){Bitmap validationBitmap = (Bitmap)Session["ValidationImage"]; context.Response.ContentType = "image/jpeg"; context.Response.Write(validationBitmap.RawFormat);}
• public void ProcessRequest(HttpContext context){Bitmap validationBitmap = (Bitmap)Session["ValidationImage"]; context.Response.ContentType = "image/jpeg"; context.Response.Write(validationBitmap);}
138. You must add a new custom control to an .aspx page in your Web application, with these requirements: • The state of the custom control must remain static for 2 minutes • The cache settings of other elements on the page must not be affected by the settings for the new custom control Which code will meet the requirements when added to the Web.configfile?
Answers:
• <caching> <outputCacheSettings> <outputCacheProfiles> <addname="CachedProfileSet" varyByControl="controlname" duration="120" /> </outputCacheProfiles> </outputCacheSettings> </caching&gt
• <caching> <outputCacheSettings> <outputCacheProfiles> <ProfileCache profile="CachedProfileSet" varyByControl="CachedControl" duration="2"> </ProfileCache> </outputCacheProfiles> </output
• <caching> <outputCacheSettings> <outputCacheProfiles> <ProfileCache profile="CachedProfileSet" varyByControl="CachedControl" duration="120"> </ProfileCache> </outputCacheProfiles> </outp
• <caching> <outputCacheSettings> <outputCacheProfiles> <addname="CachedProfileSet" varyByParam="CachedControl" duration="2" /> </outputCacheProfiles> </outputCacheSettings> </caching>
139. Your Web application must be reconfigured to include a new theme. To implement the theme in such a way that the theme settings take precedence over all individual control settings, you should consider _______.
Answers:
• Setting the Theme attribute of the pages element to the name of the theme in the application's App.config file
• Creating a default page for the application and setting the Theme attribute to the name of the theme in the @Default directive
• Setting the Theme attribute of the pages element to the name of the theme in the application's Web.config file
• Creating a master page for the application and setting the Theme attribute to the name of the theme in the @Master directive
140. Your Web application ABCApp1, uses MS .NET Framework 3.5.  After retrieving the project code from your source control repository, you try to compile it on your workstation and find that the reference to the assembly is absent.  You should access _______ to add a reference path that connects to the absent assembly.
Answers:
• ABCApp1's web.config file
• ABCApp1's app.config file
• Your workstation's machine.config file
• The project's property pages
141. In C#, the following code measures time in _______. Thread.Sleep(time)
Answers:
• Nanoseconds
• Seconds
• Minutes
• Milliseconds
142. In C#, defining two methods in single class with the same name but with different sets of argument types is called _______.
Answers:
• Overriding
• Duplexing
• Multiplexing
• Overloading
143. In C#, every class directly or indirectly extends the ________ class.
Answers:
• Drawing
• Object
• System
• Console
144. In C#, for a class to use an interface, it must _______.
Answers:
• All of these
• Create an interface object
• Contain the same methods as the interface
• Inherit the properties of the interface
145. Your Web application includes a page named ErrorPage.aspx. To manage unhandled application exceptions, ErrorPage.aspx should be shown and exception data should be written to the event log. Your web.config file includes the following code:  <customErrors mode="On" defaultRedirect="ErrorPage.aspx" />  Next, you should consider _______.
Answers:
• Adding this code to the master page: void Application_Error(object sender, EventArgs e){Exception exc = Server.GetLastError();//Write Exception details to event log}
• Adding this code to the Default.asax file: void Application_Error(object sender, EventArgs e){Exception exc = Server.GetLastError();//Write Exception details to event log}
• Adding this code to the ErrorPage.aspx file: void Page_Error(object sender, EventArgs e){Exception exc = Server.GetLastError();//Write Exception details to event log Server.ClearError();}
• Adding this code to the Global.asax file: void Application_Error(object sender, EventArgs e){Exception exc = Server.GetLastError();//Write Exception details to event log}
146. Your Web application has a master page with a static navigation menu. All content pages in the application use this master page, but may also substitute their own menu controls for those in the static navigation menu. After writing the following code, you should consider _______. Dim placeHolder As PlaceHolder = TryCast( _Page.Master.FindControl("MenuPlaceHolder"), PlaceHolder)  Dim menuControl As New Menu() placeHolder.Controls.Add(menuControl)
Answers:
• Adding the code segment to the master page
• Adding the code segment to the Page_Load event of the content page
• Adding the code segment to the default page
• Adding the code segment directly to the content page
147. You create a Web page named enterDetails.aspx that includes a TextBox control named txtDetails. The enterDetails.aspx page cross-posts to another page, displayDetails.aspx, which includes a Label control named lblDetails. What code will ensure that text entered in the the txtDetails TextBox control is displayed by the lblDetails Label control?
Answers:
• TextBox txtDetails = NextPage.FindControl("txtDetails") as TextBox; lblName.Text = txtDetails.Text;
• TextBox txtDetails = PreviousPage.FindControl("txtDetails") as TextBox; lblName.Text = txtDetails.Text;
• TextBox txtDetails = FindControl("txtDetails") as lblDetails;lblName.Text = lblDetails.Text;
• TextBox txtDetails = PreviousPage.FindControl("txtDetails") as lblDetails; lblName.Text = lblDetails.Text;
148. Your Web application lets users upload files and is hosted in Microsoft IIS 6.0 on a server named ABC-SR01. The application uses the default application pool with Windows Authentication. You cannot upload a file from your workstation using the application; instead, you see an access denied message. To fix this problem, you enable debugging. Next, you should _______.
Answers:
• Add your Windows user account to the Administrators group on ABC-SR01
• Stop and restart the application pool on ABC-SR01
• Add the following configuration to the Web.config file <identity impersonate="true" />
• Create a Debugger Users group on your workstation and add your Windows user account to it
149. While browsing your Web application in IIS 6.0, you receive a Server Application Unavailable error. The application event log states: It is not possible to run two different versions of ASP.NET in the same IIS process. Please use the IIS Administration Tool to reconfigure your server to run the application in a separate process.  To solve this problem as quickly as possible, you should _______.
Answers:
• Change the IIS isolation mode and restart the application pool that hosts the application
• Change the IIS isolation mode and assign the application to a new application pool
• Assign the application to a new application pool and run the Aspnet_regiis.exe tool
• Assign the application to a new application pool and configure all applications that are part of your application's application pool to use the same version of ASP.NET


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