Exam Number/Code : 642-642
Exam Name : Quality of Service (QoS)
Questions and Answers : 181 Q&As
Update Time: 2010-02-01
Price: $ 85.00 $ 63.00

5. WFQ(Weighted Fair Queuing) is a data packet scheduling technique allowing different scheduling priorities to statistically multiplexed data flows. For the following statements, what are two benefits of WFQ? (Choose two.)
A. WFQ is very easy to configure, and no manual traffic classification is necessary.
B. WFQ can provide fixed-delay guarantees.
C. WFQ can provide fixed-bandwidth and fixed-delay guarantees.
D. WFQ can provide fixed-bandwidth guarantees.
E. WFQ prevents the large-volume flows with large packet size from starving out the low-volume flows with small packet size.
Answer: AE

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