Computer Networks Questions & Answers – Socket Programming MCQ أسئله شبكات بالأجابات الجزء السادس و الخمسون

Computer Networks Questions & Answers – Socket Programming

1. Which methods are commonly used in Server Socket class?
a) Public Output Stream get Output Stream ()
b) Public Socket accept ()
c) Public synchronized void close ()
d) None of the mentioned

Answer: b
Explanation: Public Socket accept () used in Server Socket class.

2. Which constructor of Datagram Socket class is used to create a datagram socket and binds it with the given Port Number?
a) Datagram Socket(int port)
b) Datagram Socket(int port, Int Address address)
c) Datagram Socket()
d) None of the mentioned

Answer: b
Explanation: Datagram Socket (int port, Int Address address) is use data create a datagram socket.

3. The client in socket programming must know which information?
a) IP address of Server
b) Port number
c) Both IP address of Server & Port number
d) None of the mentioned

Answer: c
Explanation: The client in socket programming must know IP address of Server.

4. The URL Connection class can be used to read and write data to the specified resource referred by the URL
a) True
b) False

Answer: a
Explanation: The URL Connection class can be used to read and write data to the specified resource referred by the URL.

5. Datagram is basically an information but there is no guarantee of its content, arrival or arrival time.
a) True
b) False

Answer: a
Explanation: Datagram is basically an information but there is no guarantee of its content, arrival or arrival time.

6. TCP, FTP, Telnet, SMTP, POP etc. are examples of?
a) Socket
b) IP Address
c) Protocol
d) MAC Address

Answer: c
Explanation: TCP, FTP, Telnet, SMTP, POP etc. are examples of Protocol.

7. What does the java.net.InetAddress class represent?
a) Socket
b) IP Address
c) Protocol
d) MAC Address

Answer: b
Explanation: The java.net.InetAddress class represent IP Address.

8. The flush () method of Print Stream class flushes any un cleared buffers in memory
a) True
b) False

Answer: a
Explanation: The flush () method of Print Stream class flushes any un cleared buffers in memory.

9. Which classes are used for connection-less socket programming?
a) Datagram Socket
b) Datagram Packet
c) Both Datagram Socket & Datagram Packet
d) None of the mentioned

Answer: c
Explanation: Datagram Socket, Datagram Packet are used for connection-less socket programming.

10. In Int Address class which method returns the host name of the IP Address?
a) Public String get Hostname()
b) Public String getHostAddress()
c) Public static IntAddress get Localhost()
d) None of the mentioned

Answer: a
Explanation: In Int Address class public String get Hostname() method returns the host name of the IP Address.

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