Data Communication and Computer Networks – Online MCQs Test – Computer Science 9th

1. Twisted-pair cable, coaxial cable, radio waves are examples of:

2. It means change in the shape of the signal.

3. This organization is concerned with the development of internet architecture and smooth operation of the internet.

4. It is a networking device that connects computers and other devices.

5. It is a wireless or physical path between the sender and receiver through which data is sent and received from one place In another.

6. Wired Media is also called:

7. The number of bits used in an IPV 4 address are:

8. The text, numbers, symbols, images, voice and video which are processed by computers and digital devices are called:

9. This computer network can spread across an entire city, college campus, or a small region.

10. Unwanted signal that mixes lip with the original signal during the transmission of data is called:

11. Router determines data path to transfer data packets which is the:

12. Loss of signal energy is called:

13. It is an agreement between two parties or venders, using communication devices.

14. Communication system is made up of:

15. Both Physical and Logical addresses are:

16. In this signals are transmitted in a narrow pathway using physical links.

17. The physical layout in which computers are connected is called:

18. It is used for long distance transmission of data and covers a larger geographical area like cities, provinces or even countries.

19. For transmission, FM, AM radios, television and cordless phones use:

20. It is a 32 bit IP address. It is temporary.