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Cisco 642-785 Exam Syllabus Topics:

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

Question 1

Refer to the exhibit.

Which two statements are correct? (Choose two.)

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

Question 2

Refer to the exhibit.

The service provider uses a three-class service provider QoS model (real-time, critical, best effort). The provider receives reports from a customer about poor quality on their multimedia conferences. The provider recently updated their profiles to include multimedia conferencing (af41) to their real-time class, which includes voice (ef). What are the two most likely causes of this problem? (Choose two.)

A. Multimedia conferencing is included in the SP-CRITICAL-DATA class.
B. The SP-CRITICAL-DATA class should not use random detect for multimedia traffic.
C. The class map for SP-REALTIME does not include the DSCP values for multimedia conferences and voice traffic.
D. The MPLS experimental 3 is in the SP-CRITICAL-DATA class, not the SP_REALTIME class.
E. The SP-REALTIME class should include mpls experimental 4, not 5.

Question 3

Refer to the exhibit.

Traffic in CLASS-B is not getting a minimum bandwidth of 192 kb/s in this policy map. What can be done to correct this?

A. The shape peak command should be used instead of the shape average command.
B. Set the shape rate to a CIR higher than 192 kb/s.
C. No changes are needed, the site is already correct.
D. Decrease the maximum queue size.

Question 4

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. CAR
B. NBAR
C. CBWFQ
D. Flexible Packets Matching
E. NetFlow

Question 5

Which four factors can be used for packet classification in a QoS-aware network device? (Choose four.)

A. destination address
B. TTL
C. MQC
D. DSCP
E. source address
F. IP precedence

Solutions: