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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) The traffic class cust2 is ensured a bandwidth of 51.2 kb/s.
B) This example is a hierarchical MQC example, and the cust-policy is the child policy.
C) 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.
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) 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.
F) This example queues the traffic into different CBWFQ classes before the aggregate traffic is shaped.

2. What problem could occur when applying this policy map on CE?
policy-map CE-SP-MODEL class VOIP priority class BROADCAST-VIDEO priority class SP-CRITICAL-DATA bandwidth percent 40 random-detect exp 3 15000 packets 45000 packets class class-default random-detect exp 1 2500 packets 7500 packets random-detect exp 0 1500 packets 10500 packets

A) Only one priority queue is allowed per policy.
B) All traffic is classified and treated properly, no issues occur.
C) Default class does not have bandwidth assigned.
D) No bandwidth or policing is configured for voice and video traffic, and other traffic could be impacted.

3. Refer to the exhibit.

You have implemented RFC 3270 Short Pipe 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 set the MPLS experimental bits per policy, 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) CS1
C) CS4
D) AF31
E) CS3

4. What are three fundamental QoS mechanisms? (Choose three.)

A) congestion handling
B) congestion avoidance
C) marking
D) undersubscription
E) policing

5. Which Cisco IOS XR Software command clears the service-policy counters on the 10 Gigabit interface 0/0/0/0 at the ingress direction?

A) clear service-policy counters tenGigE 0/0/0/0 ingress
B) clear counters qos tenGigE 0/0/0/0 input
C) clear qos counters tenGigE 0/0/0/0 input
D) clear counters service-policy tenGigE 0/0/0/0 input
E) clear service-policy counters tenGigE 0/0/0/0 input
F) clear qos counters tenGigE 0/0/0/0 ingress

Solutions: