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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 26 of 32

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Q251.
In the isolated double errors of the cyclic code, the generator cannot divide the term x^t+1 where t is in between

a.

0 and n-1

b.

0 and n

c.

0 and n+1

d.

0 and n+2

Discuss
Answer: (a).0 and n-1
Q252.
Shifting to the left is accomplished by

a.

addition

b.

subtraction

c.

multiplication

d.

division

Discuss
Answer: (c).multiplication
Q253.
In a linear block code, the exclusive OR (XOR) of any two valid code words creates

a.

valid codeword

b.

invalid codeword

c.

valid data

d.

invalid data

Discuss
Answer: (a).valid codeword
Q254.
If generator of the cyclic code has at least two terms and the rightmost bit is 1 then error cannot be divided by

a.

syndrome

b.

error

c.

dataword

d.

generator

Discuss
Answer: (d).generator
Q255.
In the bit pattern, the shifting to the right means

a.

adding extra 0s as rightmost bits

b.

deleting some rightmost bits

c.

adding extra 1s as rightmost bits

d.

deleting some leftmost bits

Discuss
Answer: (b).deleting some rightmost bits
Q256.
A generator of a cyclic code that contains a factor of x + 1 can detect all

a.

even number errors

b.

odd number errors

c.

single bit errors

d.

multiple bit errors

Discuss
Answer: (b).odd number errors
Q257.
To guarantee correction of up to t errors in all cases, the minimum hamming distance in a block code must be

a.

2k

b.

2k-1

c.

2t+1

d.

2t+2

Discuss
Answer: (c).2t+1
Q258.
There is no error in the received code word, if the syndrome is

a.

maximum

b.

minimum

c.

0

d.

1

Discuss
Answer: (c).0
Q259.
A simple parity-check code has dmin =

a.

0

b.

1

c.

2

d.

3

Discuss
Answer: (c).2
Q260.
The standard polynomial that is used by the popular protocol of CRC-16 for the

a.

ATM header

b.

ATMAAL

c.

HDLC

d.

LANs

Discuss
Answer: (c).HDLC
Page 26 of 32

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