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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 30 of 32

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Q291.
Generate the CRC codeword for the data word 1101011011 using generator 10011.

a.

11010110110011

b.

11010110110110

c.

11010110111100

d.

11010110111110

Discuss
Answer: (d).11010110111110
Q292.
What is the hamming distance between these 2 codes: 10010010 and 11011001?

a.

3

b.

4

c.

6

d.

2

Discuss
Answer: (b).4
Q293.
What is the hamming code for the data: 1001101?

a.

10011100101

b.

11010000101

c.

10001100101

d.

11111001011

Discuss
Answer: (c).10001100101
Q294.
The channel capacity is 100 Mbps, the frame length is 10000 bits and the arrival rate is 5000 frames/sec. Calculate the mean time delay.

a.

400 µsec

b.

20 msec

c.

2000 µsec

d.

200 µsec

Discuss
Answer: (d).200 µsec
Q295.
A Data Link Layer converts a packet of data into __ finally.

a.

Frames

b.

Bits

c.

Can't say

d.

None of the above

Discuss
Answer: (b).Bits
Q296.
The two sub-layers of a Data Link layer are ___.

a.

LLC - Logical Link Control Layer

b.

MAC - Medium Access Control Layer

c.

both a and b

d.

Data Layer

Discuss
Answer: (c).both a and b
Q297.
Which is the sub-layer that accepts frames from the upper layer that is Network Layer?

a.

LLC (Logical Link Control Layer)

b.

MAC (Medium Access Control) layer

c.

both a and b

d.

None of the above

Discuss
Answer: (a).LLC (Logical Link Control Layer)
Q298.
The functions of a Logical Link Layer (LLC) are ___.

a.

Error control

b.

Flow control

c.

Creating and managing the communication link between two devices with the help of the Transport layer.

d.

All of the above

Discuss
Answer: (d).All of the above
Q299.
The types of data services offered by an LLC (Logical Link Control) layer are ___.

a.

Connectionless which is fast and unreliable

b.

Connection-Oriented which is slow and reliable

c.

both a and b

d.

None of the above

Discuss
Answer: (c).both a and b
Q300.
Which is thelayer that isresponsible for sharing thephysical media (transmission medium)among many computers or devices?

a.

LLC (Logical Link Control) layer

b.

MAC (Medium Access Control) layer

c.

both a and b

d.

None of the above

Discuss
Answer: (b).MAC (Medium Access Control) layer
Page 30 of 32

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