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Question 171 - 300-420 discussion

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An architect must create a QoS solution for a customer to ensure that a 40 Mbps Internet connection is shared between four subnets based on these requirements:

* Each subnet must receive no less than 10 Mbps of download bandwidth during peak traffic times.

* A subnet can use up to 40 Mbps during nonpeak traffic times if the other subnets are idle.

* Download traffic must never experience a delay.

Which solution must the architect choose?

A.

rate-limiting and shaping

Answers
A.

rate-limiting and shaping

B.

bandwidth percentage and policing

Answers
B.

bandwidth percentage and policing

C.

shaping and policing

Answers
C.

shaping and policing

D.

bandwidth percentage and rate-limiting

Answers
D.

bandwidth percentage and rate-limiting

Suggested answer: B

Explanation:

"Download traffic must never experience a delay."

This means we shouldn't be using Shaping at any point (since that puts packets into a buffer and sends them out later on when congestion has been reduced) Also: "Rate-limiting" is a bigger term and under it we have 2 things: "Policing" and "Shaping"

asked 07/10/2024
Subhendu Bhattacharyya
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