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Cisco Quality of Service (QoS) Sample Questions:

1. What are two benefits of WFQ? (Choose two.)

A) Based on DSCP, WFQ allows weighted, random dropping of packets when the WFQ system is full.
B) WFQ can provide fixed-bandwidth guarantees.
C) WFQ can provide fixed-delay guarantees.
D) WFQ prevents the large-volume flows with large packet size from starving out the low-volume flows with small packet size.
E) WFQ is very easy to configure, and no manual traffic classification is necessary.
F) WFQ can provide fixed-bandwidth and fixed-delay guarantees.

2. Which two of the following statements about CBWFQ are correct? (Choose two.)

A) The CBWFQ scheduler provides a guaranteed amount of minimum bandwidth to each class.
B) CBWFQ services each class queue using a strict priority scheduler.
C) The class-default queue only supports WFQ.
D) Inside a class queue, processing is always FIFO, except for the class-default queue.
E) Each CBWFQ traffic class is policed using a congestion aware policer.

3. DRAG DROP

4. DRAG DROP
Drop

5. Refer to the exhibit. A service provider is considering several alternative provisioning schemes for a new network. One proposed scheme involves aggregating 10-Mbps links from customers into a network with multiple 100-Mbps links to ensure that the network links have at least two times the capacity of the aggregate of the customer links.
What is the most appropriate description for the proposed scheme?

A) Bandwidth-on-Demand
B) overaggregate
C) oversubscription
D) overprovisioning
E) CIR of 0

Solutions: