Computer Network Class 12 MCQ

Prepare for your CBSE Class 12 Computer Science or Informatics Practices exam with our collection of Computer Network MCQs. These multiple-choice questions are designed to help you understand key networking concepts.

Computer Network Class 12 MCQ

1. The interconnection between two or more computers is known as _.
a. Computer Network
b. Social Network
c. Both a) and b)
d. None of the above

Show Answer ⟶
a. Computer Network

2. Computer networks help to _.
a. Share data
b. Share resources
c. Both a) and b)
d. None of the above

Show Answer ⟶
c. Both a) and b)

3. In a communication network, each device in a computer network is known as _.
a. Host
b. Node
c. Both a) and b)
d. None of the above

Show Answer ⟶
c. Both a) and b)

4. ARPANET stands for _.
a. Advanced Research Projects Agency Network
b. Advanced Research Projects Agent Network
c. Advance Resource Projects Agent Network
d. None of the above

Show Answer ⟶
a. Advanced Research Projects Agency Network

5. The idea of Advanced Research Project Agency Network (ARPANET) is conceptualised in the year of_______.
a. 1956
b. 1961
c. 1965
d. 1974

Show Answer ⟶
b. 1961

6. The term internet was coined in the year of __.
a. 1956
b. 1961
c. 1965
d. 1974

Show Answer ⟶
d. 1974

7. If the network connects a few personal devices, like a laptop, smartphone, printer, etc., it is known as _.
a. Personal Area Network (PAN)
b. Local Area Network (LAN)
c. Metropolitan Area Network (MAN)
d. Wide Area Network (WAN)

Show Answer ⟶
a. Personal Area Network (PAN)

8. Two mobile phones connected through Bluetooth are an example of which network?
a. Personal Area Network (PAN)
b. Local Area Network (LAN)
c. Metropolitan Area Network (MAN)
d. Wide Area Network (WAN)

Show Answer ⟶
a. Personal Area Network (PAN)

9. If the network connects devices in a small geographical area is an example of __.
a. Personal Area Network (PAN)
b. Local Area Network (LAN)
c. Metropolitan Area Network (MAN)
d. Wide Area Network (WAN)

Show Answer ⟶
b. Local Area Network (LAN)

10. If the network covers a large geographical area, like a city or a town is an example of __.
a. Personal Area Network (PAN)
b. Local Area Network (LAN)
c. Metropolitan Area Network (MAN)
d. Wide Area Network (WAN)

Show Answer ⟶
c. Metropolitan Area Network (MAN)

11. If the network connects multiple LANs and WANs that are spread across different geographical locations of the country is known as __.
a. Personal Area Network (PAN)
b. Local Area Network (LAN)
c. Metropolitan Area Network (MAN)
d. Wide Area Network (WAN)

Show Answer ⟶
d. Wide Area Network (WAN)

12. _ device is known as Modulator/DEModulator.
a. Switch
b. Router
c. Modem
d. Gateway

Show Answer ⟶
c. Modem

13. _ devices convert analogueue signals to digital signals and digital signals to analogueue signals.
a. Switch
b. Router
c. Modem
d. Gateway

Show Answer ⟶
c. Modem

14. An Ethernet card is also known as __.
a. Network Communication Card
b. Network Interface Card
c. Network Intercommunication Card
d. None of the above

Show Answer ⟶
b. Network Interface Card

15. Every NIC card has a unique identifying address, which is known as _.
a. IP address
b. MAC address
c. Local address
d. None of the above

Show Answer ⟶
b. MAC address

16. RJ 45, or Registered Jack-45, is an _ pin connector.
a. 8 pin
b. 12 pin
c. 16 pin
d. 20 pin

Show Answer ⟶
a. 8 pin

17. A __ is an analogue device which gives strength to a weak signal.
a. Hub
b. Repeater
c. Modem
d. Gateway

Show Answer ⟶
b. Repeater

18. _ is a device used to connect different communicating devices through wire.
a. Hub
b. Switch
c. Both a) and b)
d. None of the above

Show Answer ⟶
c. Both a) and b)

19. A _ device in a network that receives the data, analyses it and transmits it to other networks.
a. Hub
b. Switch
c. Router
d. None of the above

Show Answer ⟶
c. Router

20. _ serves as the entry and exit point of a network, and all data coming in or going out of a network must first pass through the device in order to use routing paths.
a. Gateway
b. Router
c. Switch
d. Hub

Show Answer ⟶
a. Gateway

21. The arrangement of computers and other peripherals in a network is called _.
a. Topology
b. Protocol
c. Bandwidth
d. None of the above

Show Answer ⟶
b. Protocol

22. In star topology, each communicating device is connected to a central node.
a. Star Topology
b. Bus Topology
c. Tree Topology
d. None of the above

Show Answer ⟶
a. Star Topology

23. __ topology having multiple branches, and each branch can have one or more basic topologies.
a. Star Topology
b. Bus Topology
c. Tree Topology
d. None of the above

Show Answer ⟶
c. Tree Topology

24. MAC address stands for __.
a. Machine Access Control
b. Media Access Control
c. Machine Access Code
d. Media Access Code

Show Answer ⟶
b. Media Access Control

25. IP address stands for __.
a. Internal Protocol
b. Internet Protocol
c. Internet Provider
d. Internal Provider

Show Answer ⟶
b. Internet Protocol

26. The initial IP address, called version 4 (IPv4), is a _ bit numeric address.
a. 16 Bit
b. 32 Bit
c. 64 Bit
d. 128 Bit

Show Answer ⟶
b. 32 Bit

27. WWW stands for _.
a. Wide World Web
b. World Wide Web
c. World Wide Web
d. Web Wide World

Show Answer ⟶
b. World Wide Web

28. Conversion of the domain name of each web server to its corresponding IP address is called _.
a. Domain converter
b. Domain name converter
c. Domain name resolution
d. All of the above

Show Answer ⟶
c. Domain name resolution

Computer Science Class 12 MCQs

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