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

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

a. Time period

b. Phase

c. Phase Shift

d. Frequency

2 / 20

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

a. Star

b. Ring

c. Local area

d. Hierarchical

3 / 20

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

a. IEEE

b. ITU-T

c. FCC

d. ISOC

4 / 20

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

a. Text

b. RS232C

c. ASCII

d. Centronics

5 / 20

Transmission data rate is decided by

a. network layer

b. transport layer

c. data link layer

d. physical layer

6 / 20

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

a. inter-network communication

b. Congestion control

c. Error control

d. routing

7 / 20

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

a. Microwave link

b. Thin coaxial cable

c. Fiber optic cable

d. Twisted pair cable

8 / 20

The IP header size is ………..

a. Depends upon the MDU

b. 20 to 60 bytes long

c. 60 bytes

d. 20 bytes

9 / 20

Which of this is not a network edge device?

a. PC

b. Smartphones

c. Switch

d. Servers

10 / 20

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

a. Documents

b. Entities

c. Servers

d. Components

11 / 20

Parity Bits are used for which of the following purposes?

a. Encryption of data

b. To identify the user

c. To transmit faster

d. To detect errors

12 / 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. 255.255.255.240

b. 255.255.0

c. 255.255.0.0

d. 255.243.240

13 / 20

A proxy server is used as the computer?

a. performing file handling

b. accessing user permissions

c. with external access

d. acting as a backup

14 / 20

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

a. frequency

b. slope

c. peak amplitude

d. phase

15 / 20

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

a. Both FDM & TDM

b. FDM

c. PDM

d. TDM

16 / 20

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

a. 35.8%

b. 36.8%

c. 37.8%

d. 35.5%

17 / 20

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

a. Automatic

b. Simplex

c. Half-duplex

d. Full-duplex

18 / 20

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

a. File server

b. Communication server

c. Network

d. All

19 / 20

Firewalls are frequently set up to block

a. UDP traffic

b. Sensitive traffic

c. TCP traffic

d. Sensitive traffic

20 / 20

Which networking topology requires a central controller or hub?

a. Mesh

b. Bus

c. Star

d. Ring

Your score is

The average score is 53%

Computer Networks Solved MCQs

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

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