Computer Network MCQ Quiz Questions PDF Download

Computer Network MCQ( multiple choice questions)| 30 Important Network Multiple Choice Questions with Answers

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Computer Network MCQs Quiz- Highlights

Article Name Computer Network
Number of Questions 30
Category MCQ

Read the Given below Computer Network MCQ Question & Answer / Computer Network pdf

1. A proxy server is used as the computer?

A. acting as a backup

B. performing file handling

C. with external access

D. accessing user permissions

Answer: with external access

2. The term HTTP stands for?

A. Hypertext transfer program

B. Hypertext tracing protocol

C. Hyper terminal tracing program

D. Hypertext transfer protocol

Answer: Hypertext transfer protocol

3. The location of a resource on the internet is given by its?

A. Protocol

B. uniform resource locator (URL)


D. E-mail address

Answer: uniform resource locator (URL)

4. Which one of the following would breach the integrity of a system?

A. Looking the room to prevent theft

B. Full access rights for all users

C. Protecting the device against

D. Fitting the system with an anti-theft device

Answer: Full access rights for all users

5. Which type of topology is best suited for large businesses which must carefully control and coordinate the operation of distributed branch outlets?

A. Star

B. Local area

C. Hierarchical

D. Ring

Answer: Star

6. Which software prevents the external access to a system?

A.  firewall

B. Virus checker

C. Gateway

D. Router

Answer:  firewall

7. Which of the following transmission directions listed is not a legitimate channel?

A. Half Duplex

B. Double Duplex

C. Simplex

D. Full Duplex

Answer:  Double Duplex

8.  Which of these is a standard interface for serial data transmission?


B. 2

C. RS232C

D. Centronics

Answer: RS232C

9. “Parity bits” are used for which of the following purposes?

A. To identify the user

B. Encryption of data

C. error detection

D. To transmit faster

Answer: error detection

10. A collection of hyperlinked documents on the internet forms is ?

A. World Wide Web

B. E-mail system

C. Mailing list

D. Hypertext markup language

Answer: World Wide Web (WWW).

11. What kind of transmission medium is most appropriate to carry data in a computer network that is exposed to electrical interferences?

A. Unshielded twisted pair

B. Coaxial cable

C. Microwave

D. Optical fiber

Answer: Optical fiber

12. When the mail server sends mail to other mail servers it becomes ___ ?

A. Master

B. Peer

C. SMTP server

D. SMTP client

Answer: SMTP client

13. The length of an IPv6 address is?

A. 64 bits

B. 32 bits

C. 128 bits

D. 256 bits

Answer: 128 bits

14. Which of the following is correct IPv4 address?


B. 300.142.210.64




15. How many versions available of IP?

A. 2 version

B. 6 version

C. 4 version

D. 1 version

Answer: 2 version

16. The private key in asymmetric key cryptography is kept by?

A. Transmission

B. Receiver

C. Sender

D. Sender and Receiver

Answer: Receiver

17. Which layer of the TCP / IP stack corresponds to the OSI model transport layer?

A. Application

B. Host to Host

C. Network Access

D. Internet

Answer: Host to Host

18. The term IPv4 stands for?

A. International Programming Version 4

B. Internet Programming Version 4

C. Internet Protocol Version 4

D. None

Answer: Internet Protocol Version 4

19. How many digits of the Data Network Identification Code (DNIC) identify the country?

A. first four

B. first five

C. first three

D. first six

Answer: first three

20. Which of the through is share the data of two computer?

A. Integrated system

B. Library

C. Network

D. Grouping

Answer: Network

21. The term IANA stands for?

A. Internal Assigned Numbers Authority

B. Internet Associative Numbers Authoritative

C.  Internet Assigned Numbers Authority

D. Internal Associative Numbers Authority

Answer:  Internet Assigned Numbers Authority

22. The term WAN stands for?

A. Wide Area Net

B. Wide Area Network

C. Wide Access Network

D. Wide Access Net

Answer: Wide Area Network

23.  Software programs that allow you to legally copy files and give them away at no cost are called which of the following?

A. Probe ware

B. Shareware

C. Timeshare

D. Public domain

Answer: Public domain

24. Which of the following statements could be valid with respect to the ICMP (Internet Control Message Protocol)?

A. It reports all errors which occur during transmission.

B. It informs routers when an incorrect path has been taken.

C. A redirect message is used when a router notices that a packet seems to have been routed wrongly

D. The “destination unreachable” type message is used when a router cannot locate the destination.

Answer: A redirect message is used when a router notices that a packet seems to have been routed wrongly

25. The IP network is to be divided into 10 equal sized subnets. Which of the following subnet masks can be used for the above requirement?


B. 255.243.240

C. 255.255.255

D. 255.255.0


26. The term FTP stands for?

A. File transfer protocol

B. File transfer program

C. File transfer protection

D. File transmission protocol

Answer: File transfer protocol

27. Which one of the following is not a network topology?

A. Star

B. Ring

C. Bus

D. Peer to Peer

Answer: Peer to Peer

28. The maximum length (in bytes) of an IPv4 datagram is?

A. 32

B. 65535

C. 1024

D. 516

Answer: 65535

29. Which one of the following is the most common internet protocol?





Answer: TCP/IP

30. Which of the following best describes uploading information?

A. Receiving information from a host computer

B. Sorting data on a disk drive

C.  Sending information to a host computer

D. Sorting data on a hard drive

Answer:  Sending information to a host computer

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