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Cisco 642-785 Exam Syllabus Topics:

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

1. Refer to the exhibit. Voice quality is poor on calls placed between the two sites. What change would you

recommend to solve this problem?

A) Lower the total bandwidth allocated for the video, critical, and class-default queues, because they are starving the voice queue.
B) Set up WRED to help avoid link congestion.
C) Increase the bandwidth of the voice priority queue.
D) Change the voice class map to match DSCP EF or CS5.

2. When the RFC 3270 Short Pipe mode is used, the PHB at the egress router is based on which of these?

A) The topmost MPLS label EXP value.
B) The Differentiated Services Field value in the IP packet header.
C) The MPLS VPN label EXP value.
D) The packet is re-evaluated, remarked, and the PHB is based on this new marking.

3. Which Cisco IOS IP SLA Probe would you select to identify bottlenecks in the network?

A) ICMP Path Jitter
B) ICMP Echo
C) ICMP Path Echo
D) FTP Path Echo

4. Which two Cisco IOS commands can be used to monitor QoS on a device? (Choose two.)

A) show class-map
B) show qos-maps
C) show policy-map
D) show qos-interface
E) show service-policy
F) show qos-dbl

5. Which three components would you use to define and apply traffic classification? (Choose three.)

A) route map
B) policy map
C) class map
D) route policy
E) service policy

Solutions: