C SHARP interview questions part 5
C SHARP interview questions part 5
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Total Questions: 20
1. Which of the following are the classes defined by the namespace System.Net:
Correct Answer is : int peek()
2. Which of the following are the interfaces defined by the namespace System.Net:
Correct Answer is : streams
3. Which of the following are the classes that support the standard HTTP protocol
Correct Answer is : Character stream
4. Which of the following class/classes supports the task of uploading and downloading the file:
Correct Answer is : all of the mentioned
5. How many ports of TCP/IP are reserved for specific protocols?
Correct Answer is : BitArray
6. How many bits are present in a single IP address?
Correct Answer is : IDictionaryComparer
7. Which of the following is the full form of DNS?
Correct Answer is : arr.Count
8. Which of the following classes is used to encapsulate IP address and DNS?
Correct Answer is : Perfectly workable code
9. Which of the following are the protocols defined by .NET runtime:
Correct Answer is : All of the mentioned
10. The operator used to access member function of a class?
Correct Answer is : Collection classes make use of efficient algorithms to manage the collection, hence improving the performance of the program
11. What is the most specified using class declaration ?
Correct Answer is : All of the mentioned
12. Select the output for the following set of code : class sample { public int i; public int j; public void fun(int i, int j) { this.i = i; this.j = j; } } class Program { static void Main(string[] args) { sample s = new sample(); s.i = 1; s.j = 2; s.fun(s.i, s.j); Console.WriteLine(s.i + " " + s.j); Console.ReadLine(); } }
Correct Answer is : It is a ordered collection
13. Which of following statements about objects in “C#” is correct?
Correct Answer is : equals()
14. “A mechanism that binds together code and data in manipulates, and keeps both safe from outside interference and misuse.In short it isolates a particular code and data from all other codes and data. A well-defined interface controls the access to that particular code and data.”
Correct Answer is : Compare()
15. Select the output for the following set of code : class z { public int X; public int Y; public const int c1 = 5; public const int c2 = c1 * 25; public void set(int a, int b) { X = a; Y = b; } } class Program { static void Main(string[] args) { z s = new z(); s.set(10, 20); Console.WriteLine(s.X + " " + s.Y); Console.WriteLine(z.c1 + " " + z.c2); Console.ReadLine(); } }
Correct Answer is : StartsWith()
16. Correct way of declaration of object of the following class is ? class name
Correct Answer is : Trim()
17. The data members of a class by default are ?
Correct Answer is : value less than zero
18. Select the output for the following set of code : class z { public string name1; public string address; public void show() { Console.WriteLine("{0} is in city{1}", name1, " ", address); } } class Program { static void Main(string[] args) { z n = new z(); n.name1 = "harsh"; n.address = "new delhi"; n.show(); Console.ReadLine(); } }
Correct Answer is : boolean
19. What does the following code imply ? csharp abc; abc = new charp();
Correct Answer is : FALSE
20. The output of code is ? class test { public void print() { Console.WriteLine("Csharp:"); } } class Program { static void Main(string[] args) { test t; t.print(); Console.ReadLine(); } }
Correct Answer is : true true
