Computer Network MCQ – Questions and Answers – Part 10

December 13, 2021 John Howard

Networking MCQs questions with answers to prepare for exams, tests, and certifications. These questions are taken from a real written exam and some parts are taken from an interview. So you will find questions on CCNA, TCP/IP, Protocols, IP addressing issues, OSI model, and more. This MCQ will easily prepare anyone to pass their exam.

1. What is the protocol of the network layer ?

A Ethernet

B Internet protocol

C Hypertext transfer protocol

D None of the above

Internet Protocol (IP) is the protocol by which data is sent from one computer to another on the Internet. Each computer (called a host) on the Internet has at least one IP address that uniquely identifies it from all other computers on the Internet.

2. ICMP is mainly used for _______?

A error and diagnostic functions

B addressing

C mailing

D None of the above

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ICMP (Internet Control Message Protocol) is an error reporting protocol used by network devices and routers to generate error messages to the source IP address when network problems prevent the delivery of IP packets. ICMP creates and sends messages to the source IP address indicating that a gateway to the Internet at which a router, service or host cannot be reached for package delivery. Any device can send, receive or process ICMP messages.

3. The transport layer combines data from different applications into a single stream before transmitting it to the_______?

A network layer

B data link layer

C application layer

D physical layer

4. Which of the following is a transport layer protocol used in networking?

A TCP

B UDP

C TCP and UDP

D None of the above

5. The UDP protocol is connectionless because ______?

A all UDP packages are processed independently by the transport layer

B it sends data as a stream of linked packages

C it is received in the same order as the sent order

D None of the above

6. The TCP protocol is _______?

A a connection-oriented protocol

B uses the three-way handshake to establish a connection

C receives data from the application as a single stream

D None of the above

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7. The end point of an inter-process communication flow on a computer network is called _____?

A socket

B pipe

C port

D None of the above

8. The transport layer protocols process the _______?

A communications between applications

B ccommunications between processes

C communications between nodes

D None of the above

9. In TCP the _______ is an access point to the transport service.

A port

B pipe

C node

D None of the above

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10. Sockets in Windows are called _____?

A windowssocket

B winsock

C wins

D None of the above

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1. What is the protocol of the network layer ?

2. ICMP is mainly used for _______?

3. The transport layer combines data from different applications into a single stream before transmitting it to the_______?

4. Which of the following is a transport layer protocol used in networking?

5. The UDP protocol is connectionless because ______?

6. The TCP protocol is _______?

7. The end point of an inter-process communication flow on a computer network is called _____?

8. The transport layer protocols process the _______?

9. In TCP the _______ is an access point to the transport service.

10. Sockets in Windows are called _____?

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