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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 4 of 32

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Q31.
We can divide coding schemes into two broad categories: ________ and ______coding.

a.

block; linear

b.

linear; nonlinear

c.

block; convolution

d.

none of the above

Discuss
Answer: (c).block; convolution
Q32.
In modulo-2 arithmetic, __________ give the same results.

a.

addition and multiplication

b.

addition and division

c.

addition and subtraction

d.

none of the above

Discuss
Answer: (c).addition and subtraction
Q33.
In modulo-2 arithmetic, we use the ______ operation for both addition and subtraction.

a.

XOR

b.

OR

c.

AND

d.

none of the above

Discuss
Answer: (a).XOR
Q34.
In _____ coding, we divide our message into blocks, each of k bits, called ___.

a.

block; blockwords

b.

linear; datawords

c.

block; datawords

d.

none of the above

Discuss
Answer: (c).block; datawords
Q35.
We add r redundant bits to each block to make the length n = k + r. The resulting n-bit blocks are called _________.

a.

datawords

b.

blockwords

c.

codewords

d.

none of the above

Discuss
Answer: (c).codewords
Q36.
The ________ between two words is the number of differences between corresponding bits.

a.

Hamming code

b.

Hamming distance

c.

Hamming rule

d.

none of the above

Discuss
Answer: (b).Hamming distance
Q37.
To guarantee the detection of up to 5 errors in all cases, the minimum Hamming distance in a block code must be _______.

a.

5

b.

6

c.

11

d.

12

Discuss
Answer: (b).6
Q38.
To guarantee correction of up to 5 errors in all cases, the minimum Hamming distance in a block code must be ________.

a.

5

b.

6

c.

11

d.

12

Discuss
Answer: (c).11
Q39.
In a linear block code, the _______ of any two valid codewords creates another valid codeword.

a.

XORing

b.

ORing

c.

ANDing

d.

none of the above

Discuss
Answer: (a).XORing
Q40.
A simple parity-check code can detect __________ errors.

a.

an even-number of

b.

two

c.

no errors

d.

an odd-number of

Discuss
Answer: (d).an odd-number of
Page 4 of 32

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