.NET Quiz # 3

In C#, it is possible to pass methods as arguments for other methods without modification.

False

True

Which of the following defines a String literal?

Contains exactly its variable name and nothing else

Contains numbers rather than letters

Contains only one character

A sequence of characters in double quotation marks

Which of the following defines a Thread?

A deprecated object that is no longer used

Does not exist

An object that wraps itself with other threads

An object that allows computer multitasking

In C#, how does the following code measures time? Thread.Sleep(time)

Milliseconds

Nanoseconds

Minutes

Seconds

Which of the following is not a component of the .NET framework?

Common Language Specification

JVM

Metadata and Assemblies

Windows Forms

In C#, which type of variable is declared inside a method?

Serial

Private

Static

Local

In the body of a method, which variable does C# use to refer to the current object whose method is being invoked?

that

do

this

call

In the ASP.NET server control, which provides an alternative way of displaying text on web page?

< asp:label >

< asp:button >

< asp:listitem >

In C#, which of the following describes a local variable?

Can be used anywhere in the program

Must accept a class

Represents a class object

Declared within a method

In C#, which of the following is the proper header for a class that intends to use an interface?

class MyClass ; Iface

class MyClass : Iface

class MyClass {IFace}

class MyClass Iface

In which of the following GC Collection mode does the garbage collector determine whether the current time is optimal to reclaim objects?

Forced

Optimized

Concurrent

Parallel

Where are the String class and Char structure found?

System namespace

System.Text namespace

System.Strings namespace

System.Chars namespace

Which of the following defines a delegate?

A means of passing arrays into methods

A class that encapsulates methods

A Washington representative

A substitue for an inherited method

Which of the following describes what this code snippet implies? namespace TestApplication { class HelloWorld {} }

TestApplication class contains the class HelloWorld

TestApplication class contains the namespace HelloWorld

TestApplication namespace contains the class HelloWorld

Compilation error

Which type of block encloses code that could throw an exception?

Exception

Catch

Try

Error

In C#, which code converts a string to lowercase?

string.ToLower();

string.ToLower(string);

ToLower(string);

String = string.ToLower(string);

In C#, which of the following is created from this code? class Test: Form { }

The class Test that inherits the class Form

The class Test : Form

The class Test : Form and the class Test that inherits the class Form

The class Form that inherits the class Test

In ASP.NET, which of the following is the extension of a web user control file?

.asmx

.ascx

.ashx

.aspx

Which of the following defines synchronization?

Delay a thread until there is sufficient memory and work to keep it up

Ensure that two concurrently-executing threads or processes do not execute specific portions of a program at the same time

Make every thread start and end at the same time

Make every thread do the same thing

In C#, which of the following does this code create? String mystring;

A class and a constructor

A class

A constructor

An object

Which of the following actions does an abstract class create?

May extend another class

All of these

May contain constructors

May contain instance variables

Which of the following .NET framework classes can be used for Custom Parallel Partitioning ?

ConcurrentBag<T>

OrderablePartitioner<TSource>

ConcurrentQueue<T>

BlockingCollection<T> Class

Which of the following is not contained in the ThreadPriority enumeration?

Lowest

ThreadPriority enumeration contains all of these.

Belownormal

Highest

Which of the following exceptions is thrown when a member/class lookup results in more than one member/class matching the lookup criteria?

FileNotFoundException

System.Reflection.AmbiguousMatchException

AppDomain.UnhandledException

FormatException

In which of the following Generations does the CLR allocate memory for new objects?

Generation 3

Generation 0

Generation 1

Generation 2

Which type of code is the following? public class A { IEmailSender _emailSender public A(IEmailSender emailSender) { _emailSender = emailSender; } private void SendEmail() { _emailSender.Send(); } }

Inheritance

Dependency injection

Tightly coupled classes

Method overloading

In C#, which of the following describes two StringBuilder objects that contain the same string?

They are two different objects

All of these

They represent the same memory location

They are both changed when a change is made to either

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. Which of the following should you include to ensure unauthorized access?

Configure the machine.config file to include the <authentication mode="[None]"> element

Configure the Web.config file to include the <identity impersonate="true"/> 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

Which of the following often results in an event?

Not an object type

Code used to force a user action

The result of a party

The result of a user action

Which of the following is the first event to be triggered in an .aspx page?

Page.Load

Page.PreRender

Page.Init