Question:* Which of the following reasons make C# a widely used professional language?
Answer: • All of the given options are correct
Question:* In C#, a local variable ________.
Answer: • Is declared within a method
Question:* A delegate is _______.
Answer: • A class that encapsulates methods
Question:* In C#, use _______ to return a thread from a suspended state.
Answer: • Resume
Question:* A _______ block encloses code that could throw an exception.
Answer: • Try
Question:* In ASP.NET, what is the extension of a web user control file?
Answer: • .ascx
Question:* In C#, what does the following code create: String mystring;
Answer: • An object
Question:* An abstract class _______.
Answer: • All of these
Question:* In C#, a constructor ________.
Answer: • All of these
Question:* Which C# code will output an element's value from a multidimensional array?
Answer: • Console.WriteLine( myArray[1][3] );
Question:* 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>
Answer: • The web.config file
Question:* When an .aspx page is requested from the web server, the output is rendered to the browser in which format?
Answer: • html
Question:* The ASP.NET server control, which provides an alternative way of displaying text on web page, is:
Answer: • < asp:label >
Question:* In ASP.NET, postback occurs in which of the following forms?
Answer: • Webforms
Question:* Which of the following is not a component of .Net framework?
Answer: • JVM
Question:* In ASP.NET, does EnableViewState allow the page to save user input on a form?
Answer: • Yes
Question:* In the body of a method, C# uses the variable named ________ to refer to the current object whose method is being invoked.
Answer: • this
Question:* In C#, the following code measures time in _______. Thread.Sleep(time)
Answer: • Milliseconds
Question:* A Thread _______.
Answer: • Is an object that allows computer multitasking
Question:* In C#, what is the proper header for a class that intends to use an interface?
Answer: • class MyClass : Iface
Question:* In C#, a variable declared inside a method is called a _________ variable.
Answer: • Local
Question:* In C#, is it possible to pass methods as arguments for other methods without modification.
Answer: • True
Question:* In C#, defining two methods in single class with the same name but with different sets of argument types is called _______.
Answer: • Overloading
Question:* How do you manage states in an ASP.NET application?
Answer: • All of these
Question:* A class declared with the sealed keyword cannot be a base class.
Answer: • True
Question:* What type of processing model does ASP.NET simulate?
Answer: • Event-driven
Question:* The first event to be triggered in an .aspx page is:
Answer: • Page.Init
Question:* Which of the following is not a VALID C# access specifier ?
Answer: • Static
Question:* A String literal _______.
Answer: • Is a sequence of characters in double quotation marks
Question:* True or false? In C#, a class can inherit from multiple interfaces.
Answer: • True
Question:* String indexers treat strings as _______.
Answer: • Arrays of characters
Question:* Which of the following keywords is used to include existing namespace in a C# program?
Answer: • using
Question:* Exception objects are derived from the _______ class.
Answer: • Exception
Question:* Which of the following is a valid syntax of entry point of all C# programs?
Answer: • static void Main(string[] args)
Question:* Which of the following are part of ASP.NET?
Answer: • All answers are correct.
Question:* To be able to use following statement, which particular namespace has to be included in a C# program? Console.WriteLine("Hello World")
Answer: • System
Question:* Which of the following exception is thrown when a member/class lookup results in more than one member/class matching the lookup criteria?
Answer: • System.Reflection.AmbiguousMatchException
Question:* Synchronization means _______.
Answer: • Ensure that two concurrently-executing threads or processes do not execute specific portions of a program at the same time
Question:* Which of the following namespaces contain types that enable interaction with system processes, event logs, and performance counters?
Answer: • System.Diagnostics
Question:* An event is _______.
Answer: • The result of a user action
Question:* To create a string literal exclude escape sequence, use _______.
Answer: • @string
Question:* In ASP.NET, which method do you invoke on the Data Adapter control to load your generated dataset?
Answer: • Fill()
Question:* In ASP.NET, to what namespace does the Web page belong in the .NET Framework class hierarchy?
Answer: • System.web.UI.Page
Question:* What does the following code snippet imply : namespace TestApplication { class HelloWorld {} }
Answer: • TestApplication namespace contains the class HelloWorld
Question:* In ASP.NET, why is Global.asax used?
Answer: • To implement application and session level events
Question:* Which of the following would force an immediate garbage collection of all generations?
Answer: • GC.Collect()
Question:* Which caching type is supported by ASP.NET?
Answer: • Output caching and data caching
Question:* In ASP.NET, to add a custom control to a Web form you have to register with:
Answer: • All of these
Question:* In C#, what does the following code do: class Test: Form { }
Answer: • Creates the class Test that inherits the class Form
Question:* In C#, every class directly or indirectly extends the ________ class.
Answer: • Object
Question:* In ASP.NET, what control does not have any visible interface?
Answer: • Repeater
Question:* 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 _______.
Answer: • Configure the Web.config file to include the <identity impersonate="true"/> element
Question:* Which of the following kick in the Garbage Collector (GC) process?
Answer: • All of the given options are correct
Question:* How is ASP.NET different from classic ASP?
Answer: • Scripting is separated from the HTML, code is compiled as a DLL, and DLLs can be executed on the server
Question:* Which of the following is true about the following : for(;;) { Console.WriteLine("Testing for loop"); }
Answer: • It's an infinite loop
Question:* Which of the following "type" of members are accessible only within files in the same DLL ?
Answer: • Internal
Question:* 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
Answer: • HttpContext.Current.RewritePath
Question:* A method _______ an exception when that method detects that a problem has occured.
Answer: • Throws
Question:* BCL stands for?
Answer: • Base Class Libraries
Question:* How many generations does Garbage Collector use for Small Objects in .Net?
Answer: • 3
Question:* In C#, for a class to use an interface, it must _______.
Answer: • All of these
Question:* The number of forms that can be added to a .aspx page is ________.
Answer: • 1
Question:* Which of the following represents a thread-safe map of key/value pair and can be used in a multi-threaded environment?
Answer: • ConcurrentDictionary
Question:* 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 _______.
Answer: • 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}
Question:* Which of the following namespaces contain types that support deployment of ClickOnce applications?
Answer: • System.Deployment
Question:* In C#, what code converts a string to lowercase?
Answer: • string.ToLower();
Question:* 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 _______.
Answer: • Add the following configuration to the Web.config file <identity impersonate="true" />
Question:* Which of the following is the actual .net code translated into?
Answer: • MSIL
Question:* Which of the following is a valid C# constant definition?
Answer: • const <data_type> <constant_name> = value;
Question:* The ThreadPriority enumeration does not contain _______.
Answer: • ThreadPriority enumeration contains all of these.
Question:* In C#, two StringBuilder objects that contain the same string _______.
Answer: • Are two different objects
Question:* 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)
Answer: • Adding the code segment to the Page_Load event of the content page
Question:* 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?
Answer: • <trace enabled="true" pageOutput="false" localOnly="true" />
Question:* In ASP.NET, how do you register a user control?
Answer: • Add Src, Tagprefix, Tagname
Question:* In ASP.NET, IsPostBack is a ________.
Answer: • Read-only property of the System.Web.UI.Page class
Question:* In which of the following GC Collection mode the garbage collector determines whether the current time is optimal to reclaim objects?
Answer: • Optimized
Question:* 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?
Answer: • 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
Question:* 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.
Answer: • INamingContainer
Question:* The String class and Char structure are found in the _______.
Answer: • System namespace
Question:* 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?
Answer: • TextBox txtDetails = PreviousPage.FindControl("txtDetails") as TextBox; lblName.Text = txtDetails.Text;
Question:* 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 _______.
Answer: • 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
Question:* In ASP.NET, how do you explicitly kill a user session?
Answer: • Session.Abandon
Question:* 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>
Answer: • HyperLink var = e.Item.FindControl("hlName") as HyperLink;
Question:* Which of the following is not a VALID variable type in C#?
Answer: • Numeral
Question:* 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?
Answer: • XmlSerializer xmlserial = new XmlSerializer(typeof(Certs));Certs cert = xmlserial.Deserialize(xmlStream) as Certs;ABCCertList.Text = cert.title();
Question:* 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?
Answer: • Server.Transfer("NewPage.aspx");
Question:* Evaluate. Which statement must be true for the code to compile and run correctly? public class B : A { public B(int i) :base(i) { } }
Answer: • One of the constructors in the class A takes an argument of the type int
Question:* 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 _______.
Answer: • The Aspnet_compiler.exe command and the aspnet_regiis.exe command
Question:* In ASP.NET, what is the difference between Response.Write() and Response.Output.Write()?
Answer: • Response.Output.Write() allows you to write formatted output
Question:* Concatenation of strings is done with _______.
Answer: • Operator overloading and method calls
Question:* How does the .Net framework define a Large Object?
Answer: • larger than 85KB OR Multidimensional arrays
Question:* Which of the following is NOT a valid GC Collection mode ?
Answer: • Parallel
Question:* Which of the following is NOT a reserved keyword in C#?
Answer: • groupby
Question:* Which of the following methods is used for destroying threads?
Answer: • Abort
Question:* Which of the following is not a VALID integer literal?
Answer: • 032UU
Question:* The CLR allocates memory for new objects in which of the following Generation?
Answer: • Generation 0
Question:* All methods in an abstract base class must be declared abstract.
Answer: • False
Question:* In ASP.NET, which one of the following namespaces contains the definition for IdbConnection?
Answer: • System.Data
Question:* 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?
Answer: • public void ProcessRequest(HttpContext context){Bitmap validationBitmap = (Bitmap)Session["ValidationImage"]; context.Response.ContentType = "image/jpeg"; validationBitmap.Save(context.Response.OutputStream, ImageFormat.Jpeg);}
Question:* If an IndexofAny method is passed an array of characters, _______.
Answer: • It searches for the first occurrence of any of the characters in the string
Question:* Which of the following is not a VALID floating point literal?
Answer: • 510E
Question:* Where is the default session data stored in ASP.NET?
Answer: • InProcess
Question:* Which of the following .Net framework class can be used for Custom Parallel Partitioning ?
Answer: • OrderablePartitioner<TSource>
Question:* Which of the following provides blocking and bounding capabilities for thread-safe collections?
Answer: • BlockingCollection<T> Class
Question:* Which of the following interrupts the thread, which contains wait, sleep or join state?
Answer: • Interrupt()
Question:* 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?
Answer: • private void SaveComment(){ string ipaddr = null; ipaddr = Request.ServerVariables("REMOTE_ADDR").ToString(); SqlDataSource1.InsertParameters("IPAddress").DefaultValue = ipaddr; // ...
Question:* Which of the following property gets the current thread ?
Answer: • Thread.CurrentThread
Question:* In ASP.NET, what is the maximum number of cookies that can be allowed for a web site?
Answer: • 20
Question:* 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 _______.
Answer: • Setting the Theme attribute of the pages element to the name of the theme in the application's Web.config file
Question:* 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?
Answer: • <caching> <outputCacheSettings> <outputCacheProfiles> <addname="CachedProfileSet" varyByControl="controlname" duration="120" /> </outputCacheProfiles> </outputCacheSettings> </caching>
Question:* In C#, an instance method ________.
Answer: • Represents the behavior of an object
Question:* Which of the following methods is not a member of the ADODBCommand object?
Answer: • Open
Question:* In ASP.NET, which property of the session object is used to set the locale identifier?
Answer: • LCID
Question:* If A = 60, what will be the value of A >> 2 ?
Answer: • 0000 1111
Question:* 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.
Answer: • MS IIS 6.0
Question:* 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.
Answer: • The project's property pages
Question:* A thread returning from a WaitSleepJoin or Suspended state returns to the _______.
Answer: • Started state (now considering a part of the running state)
Question:* Which of the following is not a valid built-in C# reference type?
Answer: • class
Question:* Which of the following methods causes a thread to wait the number of times defined by the iterations parameter?
Answer: • SpinWait
Question:* Which of the following Generation contains the longest surviving objects?
Answer: • Generation 2
Question:* In ASP.NET, which .DLL translates XML to SQL in IIS?
Answer: • SQLISAPI.dll
Question:* 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 _______.
Answer: • SQLServer
Question:* 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?
Answer: • <customErrors mode="On" />
Question:* Which of the following is NOT a method in Thread class?
Answer: • public void Run()
Question:* Use the _______ methods to lock and unlock an object.
Answer: • Enter and Exit
Question:* In C#, an instance variable ________.
Answer: • Represents an attribute of an object
Question:* Methods that are declared abstract in the base class must show implementation at the time of declaration.
Answer: • False
Question:* Which of the following is not a valid state in the life cycle of a thread ?
Answer: • Started
Question:* In ASP.NET, there can be more than 1 machine.config file in a system.
Answer: • True
Question:* In ASP.NET, custom controls are derived from the ________ class.
Answer: • System.Web.UI.Customcontrols.Webcontrol
Question:* In ASP.NET, ________ are displayed correctly in the Visual Studio .NET Designer.
Answer: • Custom controls
Question:* 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 _______.
Answer: • Add the following configuration to the Web.config file <identity impersonate="true" />
Question:* An event is often:
Answer: • The result of a user action
Question:* 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>
Answer: • The web.config file
Question:* 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 _______.
Answer: • Configure the Web.config file to include the <identity impersonate="true"/> element
Question:* What is the number of server forms that can be added to a .aspx page?
Answer: • 1
Question:* Which of the following is true about the following : for(;;) { Console.WriteLine("Testing for loop"); }
Answer: • It's an infinite loop
Question:* 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?
Answer: • <trace enabled="true" pageOutput="false" localOnly="true" />
Question:* 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 _______.
Answer: • 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
Question:* 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>
Answer: • HyperLink var = e.Item.FindControl("hlName") as HyperLink;
Question:* 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?
Answer: • 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
Question:* 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?
Answer: • Server.Transfer("NewPage.aspx");
Question:* The following code is an example of: public class A { IEmailSender _emailSender public A(IEmailSender emailSender) { _emailSender = emailSender; } private void SendEmail() { _emailSender.Send(); } }
Answer: • Dependency Injection
Question:* 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?
Answer: • public void ProcessRequest(HttpContext context){Bitmap validationBitmap = (Bitmap)Session["ValidationImage"]; context.Response.ContentType = "image/jpeg"; validationBitmap.Save(context.Response.OutputStream, ImageFormat.Jpeg);}
Question:* 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?
Answer: • <caching> <outputCacheSettings> <outputCacheProfiles> <addname="CachedProfileSet" varyByControl="controlname" duration="120" /> </outputCacheProfiles> </outputCacheSettings> </caching>
Question:* 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 _______.
Answer: • Setting the Theme attribute of the pages element to the name of the theme in the application's Web.config file
Question:* 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?
Answer: • private void SaveComment(){ string ipaddr = null; ipaddr = Request.ServerVariables("REMOTE_ADDR").ToString(); SqlDataSource1.InsertParameters("IPAddress").DefaultValue = ipaddr; // ...
Question:* 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.
Answer: • The project's property pages
Question:* 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?
Answer: • <customErrors mode="On" />
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