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Welcome to the Networking MCQs Page

Dive deep into the fascinating world of Networking with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Networking, a crucial aspect of UGC CBSE NET Exam. In this section, you will encounter a diverse range of MCQs that cover various aspects of Networking, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within UGC CBSE NET Exam.

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Check out the MCQs below to embark on an enriching journey through Networking. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of UGC CBSE NET Exam.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Networking. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Networking MCQs | Page 9 of 33

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Q81.
A node X on a 10 Mbps network is regulated by a token bucket. The token bucket is filled at a rate of 2 Mbps. Token bucket is initially filled with 16 megabits. The maximum duration taken by X to transmit at full rate of 10 Mbps is ............ secs.

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (b).2
Q82.
Which of the following statements is not true with respect to microwaves?

a.

Electromagnetic waves with frequencies from 300 GHz to 400 THz.

b.

Propagation is line-of-sight.

c.

Very high-frequency waves cannot penetrate walls.

d.

Use of certain portions of the band requires permission from authorities.

Discuss
Answer: (a).Electromagnetic waves with frequencies from 300 GHz to 400 THz.
Q83.
In a fast Ethernet cabling, 100 Base-TX uses ........... cable and maximum segment size is ............

a.

twisted pair, 100 metres

b.

twisted pair, 200 metres

c.

fibre optics, 1000 metres

d.

fibre optics, 2000 metres

Discuss
Answer: (a).twisted pair, 100 metres
Q84.
A network with bandwidth of 10 Mbps can pass only an average of 12,000 frames per minute with each frame carrying an average of 10,000 bits. What is the throughput of this network ?

a.

1 Mbps

b.

2 Mbps

c.

10 Mbps

d.

12 Mbps

Discuss
Answer: (b).2 Mbps
Q85.
Match the following:

List – I                           List – II
a. Session layer           i. Virtual terminal software
b. Application layer     ii. Semantics of the information transmitted
c. Presentation layer   iii. Flow control
d. Transport layer         iv. Manage dialogue control

Codes :
      a   b   c   d

a.

iv   i    ii   iii

b.

i    iv   ii   iii

c.

iv  i    iii   ii

d.

iv  ii    i   iii

Discuss
Answer: (a).iv   i    ii   iii
Q86.
Which of the following protocols is used by email server to maintain a central repository that can be accessed from any machine?

a.

POP3

b.

IMAP

c.

SMTP

d.

DMSP

Discuss
Answer: (b).IMAP
Q87.
An attacker sits between the sender and receiver and captures the information and retransmits to the receiver after some time without altering the information. This attack is called as ..............

a.

Denial of service attack

b.

Masquarade attack

c.

Simple attack

d.

Complex attack

Discuss
Answer: (a).Denial of service attack
Q88.
Suppose transmission rate of a channel is 32 kbps. If there are ‘8’ routes from source to destination and each packet p contains 8000 bits. Total end to end delay in sending packet P is ................

a.

2 sec

b.

3 sec

c.

4 sec

d.

1 sec

Discuss
Answer: (a).2 sec
Q89.
Consider the following statements :

a. High speed Ethernet works on optic fiber.
b. A point to point protocol over Ethernet is a network protocol for encapsulating PPP frames inside Ethernet frames.
c. High speed Ethernet does not work on optic fiber.
d. A point to point protocol over Ethernet is a network protocol for encapsulating Ethernet frames inside PPP frames.

Which of the following is correct ?

a.

a and b are true; c and d are false

b.

a and b are false; c and d are true

c.

a, b, c and d are true

d.

a, b, c and d are false

Discuss
Answer: (a).a and b are true; c and d are false
Q90.
In CRC checksum method, assume that given frame for transmission is 1101011011 and the generator polynomial is G(x) = x^4 + x + 1.

After implementing CRC encoder, the encoded word sent from sender side is .............

a.

11010110111110

b.

11101101011011

c.

110101111100111

d.

110101111001111

Discuss
Answer: (a).11010110111110
Page 9 of 33

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