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Welcome to the Congestion Control MCQs Page

Dive deep into the fascinating world of Congestion Control with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Congestion Control, a crucial aspect of Networking. In this section, you will encounter a diverse range of MCQs that cover various aspects of Congestion Control, 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 Congestion Control. 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 Congestion Control. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Congestion Control MCQs | Page 5 of 11

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Q41.
In Frame Relay, a ___________ is the maximum number of bits in a predefined time that the network is committed to transfer without discarding any frame or setting the DE bit.

a.

access rate

b.

committed burst size

c.

committed information rate

d.

excess burst size

Discuss
Answer: (b).committed burst size
Q42.
In Frame Relay, the _____________ defines an average rate in bits per second.

a.

access rate

b.

committed burst size

c.

committed information rate

d.

excess burst size

Discuss
Answer: (c).committed information rate
Q43.
In Frame Relay, the ___________ is the maximum number of bits in excess of Bc that a user can send during a predefined time.

a.

access rate

b.

committed burst size

c.

committed information rate

d.

excess burst size

Discuss
Answer: (d).excess burst size
Q44.
In ATM, the _________ class is designed for customers who need real-time audio or video services. The service is similar to that provided by a dedicated line such as a T line.

a.

CBR

b.

VBR

c.

ABR

d.

UBR

Discuss
Answer: (a).CBR
Q45.
In ATM, the _________ class is divided into two subclasses: real-time (VBR-RT) and non-real-time (VBR-NRT). VBR-RT is designed for those users who need real-time services (such as voice and video transmission) and use compression techniques to create a variable bit rate. VBR-NRT is designed for those users who do not need real-time services but use compression techniques to create a variable bit rate.

a.

CBR

b.

VBR

c.

ABR

d.

UBR

Discuss
Answer: (b).VBR
Q46.
In ATM, the _________ class delivers cells at a minimum rate. If more network capacity is available, this minimum rate can be exceeded.

a.

CBR

b.

VBR

c.

ABR

d.

UBR

Discuss
Answer: (c).ABR
Q47.
In ATM, the _________ class is a best-effort delivery service that does not guarantee anything.

a.

CBR

b.

VBR

c.

ABR

d.

UBR

Discuss
Answer: (d).UBR
Q48.
The service of closed loop congestion control technique is ..................

a.

when to accept new traffic

b.

when to discard the packets

c.

monitor the system to detect when and where congestion occurs

d.

which packets to discard

Discuss
Answer: (c).monitor the system to detect when and where congestion occurs
Q49.
The solution to increase the capacity when congestion occurs is .....................

a.

denying service to the users

b.

degrading the service to the users

c.

splitting traffic over multiple routes

d.

rescheduled the demands of the users

Discuss
Answer: (c).splitting traffic over multiple routes
Q50.
When routers are being inundated by packets that they cannot handle, they just throw them away is known as ...................

a.

Jitter control

b.

Random early detection

c.

Choke packets

d.

Load shedding

Discuss
Answer: (d).Load shedding
Page 5 of 11

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