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

1. Which statement about when you mix TCP and UDP traffic in the same class and overflow occurs is true?

A) Mixing TCP and UDP in the same class is not supported.
B) TCP traffic is starved, because UDP never slows down when packets get dropped.
C) UDP traffic suffers more, because TCP guarantees delivery.
D) The overflow is not a problem, because both TCP and UDP packets get randomly dropped and traffic will back out.

2. Refer to the exhibit.

You have implemented RFC 3270 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) CS1
B) CS4
C) BE
D) CS3
E) AF31

3. Which Cisco IOS feature is used to enable the following class map configuration?
class-map match-all test-cm
match protocol gnutella file-transfer "*"

A) CBWFQ
B) NBAR
C) CAR
D) NetFlow
E) Flexible Packets Matching

4. Which three issues are important challenges for monitoring service quality in the SP core network? (Choose three.)

A) Multiple flows compete for a limited amount of bandwidth.
B) Packets have to traverse many network devices and links that add up to the overall delay.
C) Relatively few tools are available for collecting service quality data.
D) Traffic flows are continuously high.
E) Packets may have to be dropped when a link is congested.

5. Which are the two locations where the SP network device always trusts the QoS markings from its upstream neighbor? (Choose two.)

A) at the egress CE
B) in the SP core
C) at the egress PE
D) at the ingress PE
E) at the ingress CE

Solutions: