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

1. An electrical signal that is converted into a pattern of bits to represent a sequence of discrete values, at any given time is called:

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

3. It is the rate at which data is transferred and normally measured in bits per second.

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

5. This model divides a communication system into seven abstraction layers.

6. Wired Media is also called:

7. It has the ability of sending and receiving signals that allows computers to share information with each other.

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

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

10. Communication system is made up of:

11. Change in the shape of signal between sender and receiver is called:

12. It is 48 bit MAC, permanent address.

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

14. This organization is responsible for endorsing and coordinating the functions of the other standards organizations.

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

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

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

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

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

20. Both Physical and Logical addresses are: