Originale Fragen Cisco 642-642 it-pruefungen

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Originale Fragen Cisco 642-642 it-pruefungen

QUESTION NO: 1
What is the purpose of using multiactions traffic policing?

A. so that conform, exceed, and violate traffic can be marked with different CLPs
B. so that traffic can be policed using two separate rates
C. so that exceed traffic can be shaped and violate traffic can be policed
D. so that conform traffic from different flows can be marked with different DSCPs
E. so that class-based policing can mark at Layer 2 and Layer 3 at the same time

Answer: E

Explanation:
Multiactions traffic policing helps to class-based policing can mark at Layer 2 and Layer 3 at the same time.

QUESTION NO: 2
What are two benefits of WFQ? (Choose two.)

A. WFQ prevents the large-volume flows with large packet size from starving out the low-volume flows with small packet size.
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. Based on DSCP, WFQ allows weighted, random dropping of packets when the WFQ system is full.
F. WFQ is very easy to configure, and no manual traffic classification is necessary.

Answer: A,F

Explanation:
The Question is WFQ and not CBWFQ, so the Answer should be: A,F

QUESTION NO: 3
What is the purpose of the qos pre-classify command?

A. to enable the IOS to classify the packet based on the original IP header instead of the 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 class-based marking on IPSec crypto maps
D. to enable the IOS to copy the ToS field from the original IP header to the outer tunnel IP header
E. to enable class-based marking on tunnel interface
F. to enable the IOS to classify the packet based on the outer tunnel IP header instead of the original IP header

Answer: A

Originale Fragen Cisco 642-642 it-pruefungen