Dot Net Quiz (Multiple Choice Questions), Dot Net Online Quiz

1 .

Which company developed the .NET software?

A)

Apple

B)

IBM

C)

Microsoft

D)

Google

Correct Answer : Microsoft

Explanation :

The .NET Framework (pronounced as "dot net") is a proprietary software framework developed by Microsoft that runs primarily on Microsoft Windows.

It was the predominant implementation of the Common Language Infrastructure (CLI) until being superseded by the cross-platform .NET project.

.NET is a free, cross-platform, open source developer platform for building many different types of applications.

With .NET, you can use multiple languages, editors, and libraries to build for web, mobile, desktop, games, IoT, and more.

Languages :

* C# is a simple, modern, object-oriented, and type-safe programming language.

* F# is a programming language that makes it easy to write succinct, robust, and performant code.

* Visual Basic is an approachable language with a simple syntax for building type-safe, object-oriented apps.

2 .

When was .NET first launched?

A)

13 February 1999

B)

13 February 2002

C)

13 February 2004

D)

13 February 2005

Correct Answer : 13 February 2002

Explanation : The first version of .NET Framework was released on 13 February 2002, bringing managed code to Windows NT 4.0, 98, 2000, ME and XP. Since the first version, Microsoft has released nine more upgrades for . NET Framework, seven of which have been released along with a new version of Visual Studio.

3 .

A variable which is declared inside a method is called a _________ variable?

A)

Local

B)

Static

C)

Serial

D)

Private

Correct Answer : Local

4 .

Choose the form in which Postback occur

A)

Webforms

B)

Winforms

C)

HTMLForms

D)

None of the Above

Correct Answer : Webforms

5 .

The first event triggers in an aspx page is_______?

A)

Page_In()

B)

Page_Load()

C)

Page_click()

D)

Page_Init()

Correct Answer : Page_Init()

6 .

The main function of ______ is to convert the managed code into native code and then execute the code.

A)

FCL

B)

CLR

C)

CLS

D)

CTS

Correct Answer : CLR

7 .

Which of the following object is not an ASP component?

A)

Counter

B)

AdRotator

C)

LinkCounter

D)

File Access

Correct Answer : LinkCounter

8 .

Which of the following is NOT an Assignment operator in C#.NET?

A)

+=

B)

*=

C)

/=

D)

\=

Correct Answer : \=

9 .

______ is a code that consists of CPU and platform-independent set of instructions, which can be easily converted to native code.

A)

JIT

B)

FCL

C)

DLL

D)

MSIL

Correct Answer : MSIL

10 .

Which set of symbols are used to signify the presence of ASP.NET code?

A)

<%

B)

<@

C)

<$

D)

<#

Correct Answer : <%

11 .

The ______ is responsible for allocating, freeing, and compacting memory.

A)

type checker

B)

garbage collector

C)

code manager

D)

memory manager

Correct Answer : garbage collector

12 .

______ensures complete interoperability among applications, regardless of the language used to create the application.

A)

FCL

B)

CLR

C)

CLS

D)

CTS

Correct Answer : CLS

13 .

Which of the following languages can be used to write server side scripting in ASP.NET?

A)

C++

B)

VB

C)

C-sharp

D)

Both (A) and (B)

Correct Answer : Both (A) and (B)

14 .

Which HTML tag creates a link to another browser page?

A)

A ref

B)

A href

C)

An ref

D)

An href

Correct Answer : A href

15 .

garbage collector is a?

A)

The Boolean data type

B)

is unsigne has two states

C)

is displayed by the program as yes or no.

D)

Both (A) and (B)

Correct Answer : Both (A) and (B)

16 .

______ describes how types are declared, used, and managed in the runtime.

A)

Common Type System (CTS)

B)

Framework Class Library (FCL)

C)

Common Language Runtime (CLR)

D)

Common Language Specifications (CLS)

Correct Answer : Common Type System (CTS)

17 .

The_____is the execution engine for .NET applications and servers as the interface between .NET applications and the operating system.

A)

Framework Class Library (FCL)

B)

Common Type System (CTS)

C)

Common Language Runtime (CLR)

D)

Common Language Specifications (CLS)

Correct Answer : Common Language Runtime (CLR)

18 .

The .NET Framework Class Library (FCL) is also known as________

A)

Common Class Library (CCL)

B)

Public Class Library (PCL)

C)

Base Class Library (BCL)

D)

Global Class Library (GCL)

Correct Answer : Base Class Library (BCL)

19 .

State whether the following statements about .NET Frameworks are TRUE or FALSE.

i) The .NET FCL is object-oriented.

ii) The CLR is the platform on which applications hosted and executed.

A)

i-True, ii-False

B)

i-True, ii-True

C)

i-False, ii-True

D)

i-False, ii-False

Correct Answer : i-True, ii-True

20 .

The______namespace includes classes and interfaces that return information about types, methods, and fields.

A)

system

B)

system.reflection

C)

system.data

D)

system.security

Correct Answer : system.reflection

21 .

The____namespace includes classes that allow us to debug our application and to step through our code.

A)

system.security

B)

system.collection

C)

system.threading

D)

system.diagnostics

Correct Answer : system.diagnostics

22 .

The______namespace includes classes and interfaces that define the various collections of objects such as lists, queues, hash tables, arrays, etc.

A)

system

B)

system.data

C)

system.drawing

D)

system.collection

Correct Answer : system.collection

23 .

State which of the following statements about the Namespace are TRUE.

i) All the classes and types of .NET FCL are organized in the namespace.

ii) Namespaces correspond to file or directory names.

iii) It is the grouping of logically related identifiers or classes.

A)

i and iii only

B)

i and ii only

C)

ii and iii only

D)

None of the Above

Correct Answer : i and iii only

24 .

State whether the following statements about .NET assembly are True or False.

i) Assembly physically exists as DLLs or EXEs.

ii) Assembly can include any file types like image files, text files, etc. along with DLLs or EXEs.

iii) One assembly can contain only one file.

A)

i-True, ii-True, iii-True

B)

i-True, ii- True, iii-False

C)

i-False, ii-True, iii-True

D)

i-True, ii-False, iii-True

Correct Answer : i-True, ii- True, iii-False

25 .

The____namespace is the root of all namespaces containing all other namespaces as subordinates.

A)

System

B)

System.Root

C)

System.Collections

D)

System.Globalization

Correct Answer : System

26 .

________is a collection of types and resources that are built to work together and form a logical unit of functionality.

A)

CLS

B)

CLR

C)

Assembly

D)

Namespace

Correct Answer : Assembly

27 .

When an .aspx page is requested from the web server, the out put will be rendered to browser in following format.

A)

JSP

B)

XML

C)

WML

D)

HTML

Correct Answer : HTML

28 .

Which is an example of a web document?

A)

Web page

B)

Server script

C)

Both (A) and (B)

D)

Client browser

Correct Answer : Both (A) and (B)

29 .

An alternative way of displaying text on web page using

A)

asp:button

B)

asp:label

C)

asp:listitem

D)

None of the Above

Correct Answer : asp:label

30 .

What is the extension for a Visual Basic web form interface file?

A)

.aspx

B)

.asp

C)

.asp.vb

D)

.aspx.vb

Correct Answer : .aspx

31 .

Which of the following is not a member of ADODB Command object?

A)

Open

B)

ExecuteScalar

C)

ExecuteReader

D)

ExecuteStream

Correct Answer : Open

32 .

State whether the following statements about the managed and unmanaged code are TRUE or FALSE.

i) Managed code is the code that is executed directly by the CLR.

ii) Managed code directly compiles to the machine code and runs on the machine where it has to be compiled.

iii) Unmanaged code does not have services such as security or memory management.

A)

i-False, ii-True, iii-False

B)

i-False, ii-False, iii-True

C)

i-True, ii-False, iii-True

D)

i-True, ii-False, iii-False

Correct Answer : i-True, ii-False, iii-True

33 .

The_____compiles the applications to Microsoft Intermediate Language (MSIL) and not the machine code.

A)

FCL

B)

CTS

C)

CLS

D)

CLR

Correct Answer : CLR

34 .

________will verify types used in the application with CTS or CLS standards supported by CLR.

A)

Class loader

B)

Code manager

C)

Type checker

D)

Exception manager

Correct Answer : Type checker

35 .

Which of the following is/are the modules of Common Language Runtime(CLR).

i) Thread Support

ii) Type Checker

iii) Security Engine

A)

i and ii only

B)

i and iii only

C)

ii and iii only

D)

All i, ii and iii

Correct Answer : All i, ii and iii

36 .

Which is not a main component of the Visual Studio IDE?

A)

Tool Box

B)

Start Menu

C)

Designer Window

D)

Solution Explorer

Correct Answer : Start Menu

37 .

Which of the following object is used along with application object in order to ensure that only one process accesses a variable at a time?

A)

Lock()

B)

ThreadLock

C)

Synchronize

D)

Synchronize()

Correct Answer : Synchronize()

38 .

The main function of_____is to convert the managed code into native code and then execute the code.

A)

CLR

B)

CTS

C)

CLS

D)

FCL

Correct Answer : CLR

39 .

State whether the following statements about the Microsoft Intermediate Language (MSIL) are TRUE or FALSE.

i) The MSIL code includes instructions to load, initialize and invoke methods on objects.

ii) The MSIL code is collected and assembled in the form of byte codes and is converted to a .NET assembly.

A)

i-True, ii-True

B)

i-True, ii-False

C)

i-False, ii-True

D)

i-False, ii-False

Correct Answer : i-True, ii-True

40 .

Which property of the session object is used to set the local identifier?

A)

Item

B)

LCID

C)

Key

D)

SessionId

Correct Answer : Key

41 .

Which method will arrange the elements of an array in alphabetical order?

A)

Order

B)

Sort

C)

Arrange

D)

Assemble

Correct Answer : Sort

42 .

Which sequence of char data types is listed from lowest to highest?

A)

A, a, Z, z

B)

a, A, z, Z

C)

a, z, A, Z

D)

A, Z, a, z

Correct Answer : A, Z, a, z

43 .

Which of the following control is used to validate that two fields are equal?

A)

CompareValidator

B)

equals() method

C)

RequiredFieldValidator

D)

RegularExpressionValidator

Correct Answer : CompareValidator

44 .

What is the maximum number of cookies that can be allowed to a web site?

A)

1

B)

10

C)

20

D)

More than 30

Correct Answer : 1

45 .

Select the control which does not have any visible interface.

A)

Datagrid

B)

Datalist

C)

Repeater

D)

DropdownList

Correct Answer : Repeater

46 .

Weconfig file is used______?

A)

To configure the web server

B)

To configure the web browser

C)

Configures the time that the server-side codebehind module is called

D)

To store the global information and variable definitions for the application

Correct Answer : To store the global information and variable definitions for the application

47 .

Where do we include the user lists for Form authentication?

A)

<Identity>

B)

<credential>

C)

<authorization>

D)

<authentication>

Correct Answer : <credential>

48 .

How to implement authentication via weconfig?

A)

Include the deny element.

B)

Include the identity element.

C)

Include the authorization element.

D)

Include the authentication element.

Correct Answer : Include the authorization element.

49 .

A_______is stored in the global assembly cache(GAC), which is a repository assembly maintained by .NET runtime.

A)

Shared assembly

B)

Static assembly

C)

Dynamic assembly

D)

Satellite assembly

Correct Answer : Shared assembly

50 .

A______is an assembly that contains language-specific resources.

A)

Shared assembly

B)

Satellite assembly

C)

Static assembly

D)

Dynamic assembly

Correct Answer : Satellite assembly

51 .

An assembly performs which of the following functions.

i) It forms a security boundary.

ii) It contains code that the CLR executes.

iii) It forms a reference scope boundary.

A)

i and ii only

B)

i and iii only

C)

ii and iii only

D)

All i, ii and iii

Correct Answer : All i, ii and iii

52 .

_____provides a virtual execution environment that uses a compiler to convert the source code of a program in the form of executable code, called bytecode.

A)

CLI

B)

CLS

C)

CLR

D)

CTS

Correct Answer : CLI

53 .

The________defines how types are declared, used, and managed in the runtime and is also an important part of the runtime's support for cross-language integration.

A)

CLS

B)

CLR

C)

CLI

D)

CTS

Correct Answer : CTS

54 .

Which of the following are the benefits of side-by-side execution.

i) Strong-named assemblies

ii) Version-aware code storage

iii) Isolation

A)

i and ii only

B)

i and iii only

C)

ii and iii only

D)

All i, ii and iii

Correct Answer : All i, ii and iii

55 .

State whether the following statements about the side-by-side execution are True or False.

i) Side-by-side execution is the ability to run multiple versions of an application or component on the same computer.

ii) Isolation is an optional component of side-by-side execution.

iii) It uses strong-named assemblies to bind type information to a specific version of an assembly.

A)

i-True, ii-False, iii-True

B)

i-True, ii-True, iii-True

C)

i-True, ii- True, iii-False

D)

i-False, ii-True, iii-True

Correct Answer : i-True, ii-False, iii-True

56 .

The releasing of unreferenced objects is happening automatically .NET language by the________

A)

Metadata

B)

Garbage Collector

C)

Common type System

D)

Global assembly cache

Correct Answer : Garbage Collector

57 .

State whether the following statements about the metadata are True or False.

i) It is binary code that contains the self-description of your program.

ii) It is the information that describes the types used in your code.

iii) It includes the need for Interface Definition Language (IDL) files, header files, or any external method of component reference.

A)

i-True, ii-False, iii-True

B)

i-True, ii-True, iii-True

C)

i-True, ii- True, iii-False

D)

i-False, ii-True, iii-True

Correct Answer : i-True, ii- True, iii-False

58 .

Metadata describes which of the following information.

i) Attributes

ii) Description of the assembly

iii) Description of types

A)

i and ii only

B)

i and iii only

C)

ii and iii only

D)

All i, ii and iii

Correct Answer : All i, ii and iii

59 .

Which of the following are the advantages of Garbage Collector?

i) Allow us to develop an application without having worry to about free memory.

ii) Allocates memory for objects efficiently on the managed heap.

iii) Provides memory safety by making sure that an object cannot use the content of another object.

A)

i and ii only

B)

i and iii only

C)

ii and iii only

D)

All i, ii and iii

Correct Answer : All i, ii and iii

60 .

Which of the following statements correctly define .NET Framework?

A)

It is an environment for development and execution of Windows applications.

B)

It is an environment for developing, building, deploying and executing only Web Applications.

C)

It is an environment for developing, building, deploying and executing Distributed Applications.

D)

It is an environment for developing, building, deploying and executing Desktop Applications, Web Applications and Web Services.

Correct Answer : It is an environment for developing, building, deploying and executing Desktop Applications, Web Applications and Web Services.

61 .

Which of the following .NET components can be used to remove unused references from the managed heap?

A)

CLR

B)

Class Loader

C)

Garbage Collector

D)

None of the Above

Correct Answer : Garbage Collector

62 .

Which of the following statements is correct about the .NET Framework?

A)

.NET Framework is built on the DCOM technology.

B)

.NET Framework uses DCOM for creating unmanaged applications.

C)

.NET Framework uses COM+ services while creating Distributed Applications.

D)

.NET Framework uses DCOM for making transition between managed and unmanaged code.

Correct Answer : .NET Framework uses DCOM for making transition between managed and unmanaged code.

63 .

Which of the following is the root of the .NET type hierarchy?

A)

System.Type

B)

System.Object

C)

System.Base

D)

System.Parent

Correct Answer : System.Object

64 .

Which of the following benefits do we get on running managed code under CLR?

1. Type safety of the code running under CLR is assured.

2. It is ensured that an application would not access the memory that it is not authorized to access.

3. It launches separate process for every application running under it.

4. The resources are Garbage collected.

A)

Only 1 and 2

B)

Only 2, 3 and 4

C)

Only 1, 2 and 4

D)

All of the Above.

Correct Answer : All of the Above.

65 .

Which of the following statements are correct about a .NET Assembly?

1. It is the smallest deployable unit.

2. Each assembly has only one entry point - Main(), WinMain() or DLLMain().

3. An assembly can be a Shared assembly or a Private assembly.

4. An assembly can contain only code and data.

5. An assembly is always in the form of an EXE file.

A)

1, 2

B)

1, 2, 3

C)

2, 4, 5

D)

1, 3, 5

Correct Answer : 1, 2, 3

66 .

Which of the following security features can .NET applications avail?

1. PIN Security

2. Code Access Security

3. Role Based Security

4. Authentication Security

5. Biorhythm Security

A)

2, 5

B)

3, 4

C)

2, 3

D)

1, 4, 5

Correct Answer : 2, 3