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Welcome to the Data Link Layer MCQs Page

Dive deep into the fascinating world of Data Link Layer with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Data Link Layer, a crucial aspect of Networking. In this section, you will encounter a diverse range of MCQs that cover various aspects of Data Link Layer, 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 Networking.

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Check out the MCQs below to embark on an enriching journey through Data Link Layer. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Networking.

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

Data Link Layer MCQs | Page 3 of 32

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Q21.
MAC Address is used by which layer ?

a.

Transport Layer

b.

Data Link Layer

c.

Application Layer

d.

Physical Layer

Discuss
Answer: (b).Data Link Layer
Q22.
Layer-2 Switch is also called

a.

Multiport Hub

b.

Multiport Switch

c.

Multiport Bridge

d.

Multiport NIC

Discuss
Answer: (c).Multiport Bridge
Q23.
____________ is added to data packet for error detection.

a.

checksum bit

b.

error bit

c.

parity bit

d.

both a and c

Discuss
Answer: (d).both a and c
Q24.
Which error detection method uses one's complement arithmetic?

a.

Simple parity check

b.

Two-dimensional parity check

c.

CRC

d.

Checksum

Discuss
Answer: (d).Checksum
Q25.
Which error detection method consists of just one redundant bit per data unit?

a.

Simple parity check

b.

Two-dimensional parity check

c.

CRC

d.

Checksum

Discuss
Answer: (a).Simple parity check
Q26.
In cyclic redundancy checking, what is the CRC?

a.

The divisor

b.

The quotient

c.

The dividend

d.

The remainder

Discuss
Answer: (d).The remainder
Q27.
In cyclic redundancy checking, the divisor is _______ the CRC.

a.

the same size as

b.

one bit less than

c.

one bit more than

d.

none of the above

Discuss
Answer: (c).one bit more than
Q28.
A ___________ error means that two or more bits in the data unit have changed.

a.

double-bit

b.

burst

c.

single-bit

d.

none of the above

Discuss
Answer: (b).burst
Q29.
In ________ error correction, the receiver corrects errors without requesting re-transmission.

a.

backward

b.

onward

c.

forward

d.

none of the above

Discuss
Answer: (c).forward
Q30.
In ________ error correction, the receiver asks the sender to send the data again.

a.

backward

b.

retransmission

c.

forward

d.

none of the above

Discuss
Answer: (b).retransmission
Page 3 of 32

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