What does the following C# code block define?

class Gen<T> {  
                 T ob;    
             }

What is the purpose of the System.Net.Sockets.TcpClient class in C#?

A. To handle HTTP requests

B. To create a UDP client

C. To establish a connection to a TCP server

D. To perform DNS resolution

Which namespace in C# is used for networking-related tasks?

A. System.IO

B. System.Data

C. System.Web

D. System.Net

What is the difference between TCP and UDP in networking?

A. TCP provides reliable, connection-oriented communication, while UDP provides unreliable, connectionless communication

B. TCP provides unreliable, connectionless communication, while UDP provides reliable, connection-oriented communication

C. TCP is faster than UDP

D. UDP is more secure than TCP

Which class in C# is used for sending and receiving data over a network stream?

A. System.Net.WebClient

B. System.Net.Sockets.UdpClient

C. System.Net.Sockets.TcpListener

D. System.Net.Sockets.NetworkStream