Collection of hardware components and computers

Interconnected by communication channels

Sharing of resources and information

Computer Networks MCQ Multiple Choice Questions Answers | Quiz for Practice

Q: 1. Computer Network is

Correct Answer is: All of the Above

Q: 2. What is a Firewall in Computer Network?

Correct Answer is: A system designed to prevent unauthorized access

Q: 4. DHCP is the abbreviation of

Correct Answer is: Dynamic Host Configuration Protocol

Q: 6. DNS is the abbreviation of

Correct Answer is: Domain Name System

Q: 7. What is the meaning of Bandwidth in Network?

Correct Answer is: Transmission capacity of a communication channels

Q: 8. ADSL is the abbreviation of

Correct Answer is: Asymmetric Digital Subscriber Line

Q: 9. What is the use of Bridge in Network?

Correct Answer is: to connect LANs

Q: 10. Router operates in which layer of OSI Reference Model?

Correct Answer is: Layer 3 (Network Layer)

Q: 11. Each IP packet must contain

Correct Answer is: Source and Destination address

Q: 12. Bridge works in which layer of the OSI model?

Correct Answer is: Datalink layer

Computer Networks Multiple Choice Questions (MCQs) are essential practice tools for students and exam aspirants. These questions help reinforce key concepts and prepare you for various assessments.

About Computer Networks MCQ Questions

Computer Networks MCQs cover a wide range of topics, including network architectures, protocols, data transmission, and security. These questions are designed to test your understanding of fundamental and advanced concepts in the field of computer networking.

Why Practice Computer Networks Objective Questions?

Practicing Computer Networks MCQs offers several benefits. They help you prepare for school and college exams, competitive exams like GATE and NET, and technical interviews. Regular practice enhances your problem-solving skills, reinforces your knowledge, and boosts your confidence.

Who Should Use These MCQs?

Students preparing for school or college exams
Competitive exam aspirants
Candidates preparing for interviews

Computer Networks MCQ Questions for Practice

1. Computer Network is

Collection of hardware components and computers
Interconnected by communication channels
Sharing of resources and information
All of the Above

2. What is a Firewall in Computer Network?

The physical boundary of Network
An operating System of Computer Network
A system designed to prevent unauthorized access
A web browsing Software

3. How many layers does OSI Reference Model has?

4. DHCP is the abbreviation of

Dynamic Host Control Protocol
Dynamic Host Configuration Protocol
Dynamic Hyper Control Protocol
Dynamic Hyper Configuration Protocol

5. IPV4 Address is

8 bit
16 bit
32 bit
64 bit

6. DNS is the abbreviation of

Dynamic Name System
Dynamic Network System
Domain Name System
Domain Network Service

7. What is the meaning of Bandwidth in Network?

Transmission capacity of a communication channels
Connected Computers in the Network
Class of IP used in Network
None of Above

8. ADSL is the abbreviation of

Asymmetric Dual Subscriber Line
Asymmetric Digital System Line
Asymmetric Dual System Line
Asymmetric Digital Subscriber Line

9. What is the use of Bridge in Network?

to connect LANs
to separate LANs
to control Network Speed
All of the above

10. Router operates in which layer of OSI Reference Model?

Layer 1 (Physical Layer)
Layer 3 (Network Layer)
Layer 4 (Transport Layer)
Layer 7 (Application Layer)

11. Each IP packet must contain

Only Source address
Only Destination address
Source and Destination address
Source or Destination address

12. Bridge works in which layer of the OSI model?

Appliation layer
Transport layer
Network layer
Datalink layer

13. ………………….. provides a connection-oriented reliable service for sending messages

TCP
IP
UDP
All of the above

14. Which layers of the OSI model are host-to-host layers?

Transport, Session, Persentation, Application
Network, Transport, Session, Presentation
Datalink, Network, Transport, Session
Physical, Datalink, Network, Transport

15. Which of the following IP address class is Multicast

Class A
Class B
Class C
Class D

16. Which of the following is correct regarding Class B Address of IP address

Network bit â€“ 14, Host bit â€“ 16
Network bit â€“ 16, Host bit â€“ 14
Network bit â€“ 18, Host bit â€“ 16
Network bit â€“ 12, Host bit â€“ 14

17. The last address of IP address represents

Unicast address
Network address
Broadcast address
None of above

18. How many bits are there in the Ethernet address?

64 bits
48 bits
32 bits
16 bits

19. How many layers are in the TCP/IP model?

4 layers
5 layers
6 layers
7 layers

20. Which of the following layer of OSI model also called end-to-end layer?

Presentation layer
Network layer
Session layer
Transport layer

21. Why IP Protocol is considered as unreliable?

A packet may be lost
Packets may arrive out of order
Duplicate packets may be generated
All of the above

22. What is the minimum header size of an IP packet?

16 bytes
10 bytes
20 bytes
32 bytes

23. Which of following provides reliable communication?

TCP
IP
UDP
All of the above

24. What is the address size of IPv6 ?

32 bit
64 bit
128 bit
256 bit