C# Programming Practice Test 9

1. What kind of exception is being thrown if Wait(), Pulse() or PulseAll() is called from code that is not within synchronized code?

DivideByZero Exception

All of the mentioned

System I/O Exception

SynchronizationLockException

2. Which of the following class/classes supports the task of uploading and downloading the file?

WebClient

All of the mentioned

WebResponse

WebRequest

3. Which is the correct statement about the namespaces in C#.NET?

Nesting of namespaces is permitted, provided all the inner namespaces are declared in the same file

All of the mentioned

A namespace cannot be tested

There is no limit on the number of levels while nesting namespaces

4. What will be the output of the following C# code snippet?

 
#define DEBUG 
#define MYTEST
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication13
{
    class Program
    {   
        static void Main(string[] args)
        {
            #if (DEBUG && !MYTEST)
            Console.WriteLine("DEBUG is defined");
            #elif (!DEBUG && MYTEST)
            Console.WriteLine("MYTEST is defined");
            #elif (DEBUG && MYTEST)
            Console.WriteLine("DEBUG and MYTEST are defined");
            #else
            Console.WriteLine("DEBUG and MYTEST are not defined");
            #endif
            Console.ReadLine();
        }
    }
}

DEBUG is defined
MYTEST is defined

DEBUG and MYTEST are not defined
MYTEST is defined

MYTEST is defined
DEBUG and MYTEST are defined

DEBUG and MYTEST are defined

5. If a class named csharp is present in namespace n1 as well as in namespace n2, then which of the following is the correct way to use csharp class?

   class Program
   {
     static void Main(string[] args)
     {
        import n1;
        csharp x = new csharp();
        x.fun();
        import n2;
        csharp y = new csharp();
        y.fun();
     }
   }

   using n1;
   using n2;
   namespace ConsoleApplication1
   {
      class Program
   {
     static void Main(string[] args)
     {
        
       n1.csharp x = new n1.csharp();
        x.fun();
        import n2;
        n2.csharp y = new n2.csharp();
        y.fun();
     }
   }
}

   import n1;
   import n2;
   namespace ConsoleApplication1
   {
      class Program
   {
     static void Main(string[] args)
     {
        
       n1.csharp x = new n1.csharp();
        x.fun();
        import n2;
        n2.csharp y = new n2.csharp();
        y.fun();
     }
   }
}

   class Program
   {
     static void Main(string[] args)
     {
       using n1;
       csharp x = new csharp();
       x.fun();
       using n2;
       csharp y = new csharp();
        y.fun();
     }
   }

6. Which of these is a standard for communicating multimedia content over email?

http

https

httpd

Mime

7. Which of these method returns a smallest whole number greater than or equal to variable X?

double Max(double X)

double Floor(double X)

double Ciel(double X)

double Min(double X)

8. What does the following C# code snippet specify?

public Thread(ThreadStart start)

Defines a thread

Only Defines a thread & Declaration of a thread constructor

Declaration of a thread constructor

Only Defines a thread

9. Which of these data types can be used for a method having a return statement in it?

float

all of the mentioned

void

int

10. Which of these methods of Thread class is used to Suspend a thread for a period of time?

terminate()

stop()

sleep()

suspend()