Computer Networks Questions & Answers – Ports MCQ أسئله شبكات بالأجابات الجزء الخامس و الخمسون

Computer Networks Questions & Answers – Ports

1. Multiple object can be sent over a TCP connection between client and server in
a) Persistent HTTP
b) Ponpersistent HTTP
c) Both Persistent HTTP and Ponpersistent HTTP
d) None of the mentioned

Answer: a
Explanation: hypertext transfer protocol is used for sending multiple objects over TCP connection.

2. HTTP is ________ protocol.
a) Application layer
b) Transport layer
c) Network layer
d) None of the mentioned

Answer: a
Explanation: HTTP works on application layer.

3. In the network HTTP resources are located by
a) Uniform resource identifier
b) Unique resource locator
c) Unique resource identifier
d) None of the mentioned

Answer: a
Explanation: HTTP resources are located by uniform resource identifier.

4. HTTP client requests by establishing a __________ connection to a particular port on the server.
a) User datagram protocol
b) Transmission control protocol
c) Broader gateway protocol
d) None of the mentioned

Answer: b
Explanation:HTTP client requests by establishing TCP connection to a particular port on the server.

5. In HTTP pipelining
a) Multiple HTTP requests are sent on a single TCP connection without waiting for the corresponding responses
b) Multiple HTTP requests cannot be sent on a single TCP connection
c) Multiple HTTP requests are sent in a queue on a single TCP connection
d) None of the mentioned

Answer: a
Explanation: Multiple HTTP requests are sent on a single TCP connection without waiting for the corresponding responses in HTTP pipelining.

6. FTP server listens for connection on port number
a) 20
b) 21
c) 22
d) 23

Answer: b
Explanation: 21 is the port number of FTP.

7. In FTP protocol, client contacts server using _________ as the transport protocol.
a) Transmission control protocol
b) User datagram protocol
c) Datagram congestion control protocol
d) Stream control transmission protocol

Answer: a
Explanation: Client contacts server using TCP as the transport protocol.

8. In which mode FTP, the client initiates both the control and data connections.
a) Active mode
b) Passive mode
c) Both Active mode and Passive mode
d) None of the mentioned

Answer: b
Explanation: In passive mode the client initiates both the control and data connections.

9. The file transfer protocol is built on
a) Data centric architecture
b) Service oriented architecture
c) Client server architecture
d) None of the mentioned

Answer: c
Explanation: FTP is built on client server architecture.

10. In file transfer protocol, data transfer can be done in
a) Stream mode
b) Block mode
c) Compressed mode
d) All of the mentioned

Answer: d
Explanation: Data transfer can be done in stream, block and compressed modes.

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