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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 22 of 32

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Q211.
The send window in the Go-Back-N Protocol is an abstract concept defining an imaginary box with

a.

one variable

b.

two variables

c.

three variables

d.

four variables

Discuss
Answer: (c).three variables
Q212.
In Stop-and-Wait ARQ Protocol, the sender of frame has a control variable that holds the sequence number for the next frame to be sent is called

a.

Sn

b.

random numbers

c.

acknowledgement number

d.

Rn

Discuss
Answer: (a).Sn
Q213.
The function that is used to take a data packet from the network layer is

a.

WaitForEvent()

b.

GetData()

c.

MakeFrame()

d.

SendFrame()

Discuss
Answer: (b).GetData()
Q214.
In transition phases of Point to Point Protocol, if authentication is successful then connection transfers to the

a.

networking phase

b.

open phase

c.

establish phase

d.

terminating phase

Discuss
Answer: (a).networking phase
Q215.
In the Challenge Handshake Authentication Protocol (CHAP), the packet that is used by the user to return the result of the calculation is called

a.

challenge

b.

success

c.

response

d.

failure

Discuss
Answer: (c).response
Q216.
In the control field of V frame, the code of the command “Unnumbered poll” is

a.

00 001

b.

00 100

c.

10 001

d.

11 110

Discuss
Answer: (b).00 100
Q217.
When a message is carried in one very large frame, even a single-bit error would require the retransmission of the

a.

sender address

b.

destination address

c.

whole message

d.

half message

Discuss
Answer: (c).whole message
Q218.
If Point to Point Protocol is carrying data from OSI Network layer, the value of the protocol field is

a.

0

b.

0

c.

0

d.

0

Discuss
Answer: (d).0
Q219.
In the Go-Back-N Protocol, the size of the sender and receiver window must be at most one-half of 2^m in

a.

Selective Repeat Automatic Repeat Request

b.

Stop and Wait

c.

Go Back-N Automatic Repeat Request

d.

Simplest Protocol

Discuss
Answer: (a).Selective Repeat Automatic Repeat Request
Q220.
In Link Control Protocol packets, the code of 0

a.

Code-reject

b.

Configure-request

c.

Echo-request

d.

discard request

Discuss
Answer: (b).Configure-request
Page 22 of 32

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