.NET Quiz # 1

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 _______.

Create a Debugger Users group on your workstation and add your Windows user account to it

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" />

Which of the following kick in the Garbage Collector (GC) process?

All of the given options are correct

When GC.Collect method is invoked

The total memory being used on the managed heap exceeds the acceptable threshold

The system has low physical memory

Which of the following keywords is used to include existing namespace in a C# program?

import

using

package

namespace

True or false? In C#, a class can inherit from multiple interfaces.

True

False

Can you prevent your class from being inherited and become a base class for some other classes?

No

Yes

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?

The app.config file

The web.config file

The project's property pages

The workstation's machine.config file

In ASP.NET, does EnableViewState allow the page to save user input on a form?

Yes

No

In ASP.NET, postback occurs in which of the following forms?

Winforms

HTMLForms

Webforms

How do you manage states in an ASP.NET application?

Viewstate

Application objects

All of these

Session objects

Which C# code will output an element's value from a multidimensional array?

Console.WriteLine( myArray(1),(3) );

Console.WriteLine( myArray[1][3] );

Console.WriteLine( myArray{1}{3} );

Console.WriteLine( myArray[1.3] );

Which of the following is not a VALID C# access specifier ?

Public

Static

Private

Protected

A class declared with the sealed keyword cannot be a base class.

False

True

Which of the following are part of ASP.NET?

Web Forms, MVC, and Web API

All answers are correct.

Web Forms and MVC.

ASP.NET and MVC

SignalR

What type of processing model does ASP.NET simulate?

Top-down

Linear

Static

Event-driven

Which of the following reasons make C# a widely used professional language?

Structured language

Object oriented

All of the given options are correct

Component oriented

Which of the following namespaces contain types that enable interaction with system processes, event logs, and performance counters?

System.AddIn

System.Diagnostics

System.ComponentModel

System.Data

Which namespace contain the types necessary to build Windows Communication Foundation (WCF) service and client applications?

System.Web

System.ServiceModel

System.Net

System.Messaging

Which of the following would force an immediate garbage collection of all generations?

GCCollect()

GC.Garbage()

GC.Force()

GC.Collect()

In ASP.NET, why is Global.asax used?

To implement application and session level events

Neither of these

To declare Global variables

Which caching type is supported by ASP.NET?

Output caching

Data caching

Output caching and data caching

None of these

In ASP.NET, which method do you invoke on the Data Adapter control to load your generated dataset?

Read( )

Fill()

ExecuteQuery( )

In C#, what does the following code do: class Test: Form { }

Creates the class Test : Form and creates the class Test that inherits the class Form

Creates the class Form that inherits the class Test

Creates the class Test : Form

Creates the class Test that inherits the class Form

Which of the following represents a thread-safe map of key/value pair and can be used in a multi-threaded environment?

ConcurrentBag

BlockingCollection

ConcurrentDictionary

ConcurrentQueue

How is ASP.NET different from classic ASP?

Scripting is separated from the HTML, and code is interpreted separately

Scripting is separated from the HTML, code is compiled as a DLL, and DLLs can be executed on the server

Code is separated from the HTML, and interpreted code is interpreted separately

How many generations does Garbage Collector use for Small Objects in .Net?

6

4

5

3

Which of the following "type" of members are accessible only within files in the same DLL ?

Private

Internal

Protected

When do you have to declare a class abstract?

When all methods in the class are abstract.

When at least one of the methods in the class is abstract.

When at least one of the methods in the class is declared.

A method _______ an exception when that method detects that a problem has occured.

Catches

Throws

Trys

Trys and Catches

Which of the following is the actual .net code translated into?

MSIL

CLR

CTS

CLS

Which of the following is a valid C# constant definition?

constant <data_type> <constant_name> = value;

const <data_type> <constant_name> = value;

final <data_type> <constant_name> = value;

(all of these)