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

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

2. Both Physical and Logical addresses are:

3. If you are an electrical or electronic engineer, you should join:

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

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

6. It is also called Wired or Bounded transmission media.

7. It is a device that connects two or more networks.

8. The rules and procedures on which computers exchange data on network are called:

9. It is 48 bit MAC, permanent address.

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

11. The topology in which all computers are connected to a central device called hub is:

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

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

14. Signal-to-noise ratio is often expressed in:

15. The number of bits used in an IPV 4 address 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. Communication system is made up of:

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

20. In optical fiber or fiber-optic cable data is transferred in the form of: