Class XII | Assignment| Chapter 2: Data Communication and Networking

MCQ

1) … Refers to the sending, receiving and processing of information by electronic means.

a. Computer
b. communication
c. software
d. program

2) Which refers to the communication media?

a. UTP cable
b. fiber optic cable
c. Satellite
d. all of abobe

3) Which is not a guided media?

a. UTP cable
b. STP cable
c. Satellite
d. fiber optic

4) Which is necessary to operate Internet?

a. CD-ROM
b. ISP
c. Modem
d. All of the above

5) Which one is not network topology?

a. Star
b. Ring
c. Client server
d. BUS

6) In which topology connection with other two computer is in circular form.

a.Star
b. Bus
c. Ring
d. Hybrid

7) MAC stands for.

a. Mandatory Access Control
b. Media Access Control
c. Macro Access control
d. Media Access Certificate

8) Which is more reliable and scure for a LAN?

a. Star
b. Bus
c. Ring
d. Mesh

9) Which of the following is not a protocol.

a. POP
b. TCP/IP
c. NOS
d. FTP

10) Which refers to the communication media?

a. UPT cable
b. Fiber optic cable
c. Satellite
d. All of the above

 

11. Question Answer.
12. What is computer network? Write advantages and disadvantages of computer network?
13. Differentiate between LAN and WAN. [5]
14. Describe the different types of communication media in Networking [5]
15. Define satellite communication. Differntiate between UTP and STP. [1+4]
16. What is transmission media? Explain any two different types of transmission media [1+2+2]
17. What are functions of router and switch [2.5+2.5]
18. Discribe ‘simplex’, ‘half duplex’ and ‘full duplex’ with example. [5]
19. What do you mean by OSI reference model? Explain the different layers of OSI reference model.
20. Define network architecture. Differentiate between client-server and peer-peer networks.
21. What is protocol? List any five communication protocols.
22. Write functions of switch and modem.
23. Differentiate between star topology and ring topology.
24. Explain Bandwidth and echo.
25. Define the ter m communication protocol, IP Address and MAC address.
26. Differentiate between the Internet and Intranet