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. Transmission data rate is decided by

a. physical layer

b. transport layer

c. data link layer

d. network layer

2 / 20

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

a. Communication server

b. File server

c. Network

d. All

3 / 20

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

a. 35.8%

b. 36.8%

c. 35.5%

d. 37.8%

4 / 20

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

a. Ring

b. Local area

c. Hierarchical

d. Star

5 / 20

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

a. ISOC

b. FCC

c. IEEE

d. ITU-T

6 / 20

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

a. Entities

b. Components

c. Servers

d. Documents

7 / 20

7. 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. 255.255.255.240

b. 255.255.0.0

c. 255.243.240

d. 255.255.0

8 / 20

8. A proxy server is used as the computer?

a. accessing user permissions

b. performing file handling

c. with external access

d. acting as a backup

9 / 20

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

a. Phase Shift

b. Phase

c. Time period

d. Frequency

10 / 20

10. The IP header size is ………..

a. 20 to 60 bytes long

b. 20 bytes

c. Depends upon the MDU

d. 60 bytes

11 / 20

11. Firewalls are frequently set up to block

a. UDP traffic

b. Sensitive traffic

c. Sensitive traffic

d. TCP traffic

12 / 20

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

a. TDM

b. PDM

c. FDM

d. Both FDM & TDM

13 / 20

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

a. Mesh

b. Ring

c. Bus

d. Star

14 / 20

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

a. Half-duplex

b. Automatic

c. Simplex

d. Full-duplex

15 / 20

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

a. routing

b. Error control

c. inter-network communication

d. Congestion control

16 / 20

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

a. To transmit faster

b. To identify the user

c. To detect errors

d. Encryption of data

17 / 20

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

a. phase

b. slope

c. peak amplitude

d. frequency

18 / 20

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

a. Servers

b. Switch

c. PC

d. Smartphones

19 / 20

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

a. ASCII

b. Text

c. Centronics

d. RS232C

20 / 20

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

a. Fiber optic cable

b. Twisted pair cable

c. Thin coaxial cable

d. Microwave link

Your score is

The average score is 47%

Computer Networks Solved MCQs

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

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