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CCVP 642-642(Quality of Service (QoS))考題由我們的資深IT認證講師和CCVP產品專家精心打造，包括了當前最新的真實642-642考題，全部附有正確答案。所有購買KillTest 642-642 題庫的客戶都將得到60天的免費升級服務，保證了客戶的一次通過率。KillTest IT認證題庫網助您一次通過CCVP 642-642考試。
1.What is the purpose of the qos preclassify command?
A. to enable the IOS to copy the ToS field from the original IP header to the outer tunnel IP header
B. to enable the IOS to copy the ToS field from the outer tunnel IP header back into the original IP header
C. to enable the IOS to classify the packet based on the original IP header instead of the tunnel IP header
D. to enable the IOS to classify the packet based on the outer tunnel IP header instead of the original IPheader
E. to enable classbased marking on tunnel interface
F. to enable classbased marking on IPSec crypto maps
Answer:C
2.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 fixedbandwidth and fixeddelay guarantees.
C. WFQ can provide fixedbandwidth guarantees.
D. WFQ can provide fixeddelay guarantees.
E. WFQ prevents the largevolume flows with large packet size from starving out the lowvolume flows with small packet size.
F. Based on DSCP, WFQ allows weighted, random dropping of packets when the WFQ system is full.
Answer:AE
3.Based on the configuration, which two of the following statements are true? (Choose two.)
A. This configuration will use a single token bucket.
B. This configuration will drop all exceeding traffic.
C. This is a dualrate,classbased policing example.
D. This is a percentagebased policing example.
E. This is a multiaction,classbased policing example.
Answer:CD