Computer Networks Solved MCQs

Computer Networks Solved MCQs for Computer Instructor B-17 | AJKPSC & PPSC Exam Practice

Get ready for the Computer Instructor B-17 exams with our set of Computer Networks solved MCQs. Specifically created for AJKPSC and PPSC exams, these solved questions provide clear explanations of key networking concepts.

Computer Network MCQS

Computer Networks Solved MCQs for Computer Instructor B-17 | AJKPSC, FPSC, KPSC and PPSC

1 / 20

1. Which organization has authority over interstate and international commerce in the communications field?

a. IEEE

b. FCC

c. ISOC

d. ITU-T

2 / 20

2. A proxy server is used as the computer?

a. acting as a backup

b. performing file handling

c. accessing user permissions

d. with external access

3 / 20

3. What type of transmission occurs in communication between a computer and a keyboard?

a. Half-duplex

b. Automatic

c. Simplex

d. Full-duplex

4 / 20

4. In a frequency-domain plot, the horizontal axis measures the….

a. phase

b. slope

c. peak amplitude

d. frequency

5 / 20

5. Which of this is not a network edge device?

a. Servers

b. Switch

c. PC

d. Smartphones

6 / 20

6. Firewalls are frequently set up to block

a. Sensitive traffic

b. TCP traffic

c. Sensitive traffic

d. UDP traffic

7 / 20

7. Transmission data rate is decided by

a. data link layer

b. transport layer

c. physical layer

d. network layer

8 / 20

8. Which multiplexing technique shifts each signal to a different carrier frequency.

a. PDM

b. TDM

c. FDM

d. Both FDM & TDM

9 / 20

9. Which of the following is best network topology for large businesses?

a. Ring

b. Hierarchical

c. Local area

d. Star

10 / 20

10. Which of the following enables users on a LAN to share computer programs and data?

a. Network

b. File server

c. All

d. Communication server

11 / 20

11. Which of these is a standard interface for serial data transmission?

a. ASCII

b. Text

c. Centronics

d. RS232C

12 / 20

12. Which networking topology requires a central controller or hub?

a. Mesh

b. Bus

c. Star

d. Ring

13 / 20

13. Parity Bits are used for which of the following purposes?

a. To detect errors

b. Encryption of data

c. To transmit faster

d. To identify the user

14 / 20

14. The term ……… describes the position of the waveform relative to time 0.

a. Phase

b. Phase Shift

c. Time period

d. Frequency

15 / 20

15. The IP header size is ………..

a. 20 to 60 bytes long

b. 20 bytes

c. 60 bytes

d. Depends upon the MDU

16 / 20

16. Which of the following cannot be used as a transmission medium for 802.3 Ethernet?

a. Twisted pair cable

b. Fiber optic cable

c. Thin coaxial cable

d. Microwave link

17 / 20

17. Which of the following does not represent a function of the network layer?

a. Error control

b. Congestion control

c. inter-network communication

d. routing

18 / 20

18. What is the maximum efficiency of Slotted ALOHA when G = 1?

a. 36.8%

b. 37.8%

c. 35.5%

d. 35.8%

19 / 20

19. Complex networks today are made up of hundreds and sometimes thousands of

a. Documents

b. Entities

c. Servers

d. Components

20 / 20

20. The IP network 192.168.50.0 is to be divided into 10 equal-sized subnets. Which of the following subnet masks can be used for this requirement?

a. 255.255.0

b. 255.255.0.0

c. 255.255.255.240

d. 255.243.240

Your score is

The average score is 56%

Computer Networks Solved MCQs

Computer Networks Solved MCQs for Computer Instructor B-17 | AJKPSC & PPSC Exam Practice

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