Cisco 642-785 : Maintaining Cisco Service Provider Quality of Service (MSPQS)

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Cisco Maintaining Cisco Service Provider Quality of Service (MSPQS) Sample Questions:

1. Refer to the exhibit.

Which two statements are correct? (Choose two.)

A) This example is a hierarchical MQC example, and the cust-policy is the child policy.
B) The policy map cust-policy specifies an average traffic shaping rate of 384 kb/s for the cust1 class and assigns the service policy cust1-classes to the cust1 class.
C) This example queues the traffic into different CBWFQ classes before the aggregate traffic is shaped.
D) Within the cust2-classes policy, the gold class is guaranteed 30 percent of the S3/2 interface bandwidth. Silver is guaranteed 15 percent of the S3/2 interface bandwidth. Bronze is guaranteed 10 percent of the S3/2 interface bandwidth.
E) Within the cust1-classes policy, the gold class is guaranteed 50 percent of the bandwidth. Silver is guaranteed 20 percent of the bandwidth, and bronze is guaranteed 15 percent of the bandwidth.
F) The traffic class cust2 is ensured a bandwidth of 51.2 kb/s.

2. Refer to the exhibit.

You have implemented RFC 3270 Uniform mode in your MPLS network. A customer packet with the DSCP value of AF31 has been sent to the ingress PE router. The PE router has mapped the DSCP values into the MPLS experimental bits, but the policer has remarked the experimental bits of the top label. What will the DSCP value of the packet be when it leaves the egress PE router?

A) BE
B) CS3
C) CS1
D) AF31

3. Refer to the exhibit.

Which queueing method has been configured?

A) CBWFQ
B) LLQ
C) priority queueing
D) MDRR
E) WFQ

4. Refer to the exhibit.

Which statement is correct?

A) No traffic matched the SP-REALTIME class.
B) Packets marked with both DSCP EF and MPLS EXP 5 markings will not be classified into the SP-REALTIME traffic class.
C) A total of 133836 packets have been transmitted out of the FastEthernet0/0 interface.
D) The FastEthernet0/0 interface is using CBWFQ egress queueing.
E) This policy map is applied to the FastEthernet0/0 interface in the input direction.

5. A customer reports drops for traffic in the BIZ-CRITICAL class. As part of the verification process you identify that there is a high number of random drops. Which of these can help address this problem?

A) Decrease the queue limit for the traffic class.
B) Decrease the WRED drop probability denominator for the class.
C) Increase the WRED min threshold value for the traffic class.
D) Enable fair queuing for the BIZ-CRITICAL class.

Solutions: