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

1. 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) Default class does not have bandwidth assigned.
C) No bandwidth or policing is configured for voice and video traffic, and other traffic could be impacted.
D) All traffic is classified and treated properly, no issues occur.

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

3. DRAG DROP
Drag the definitions from the left onto the traffic classification on the right. Not all definitions will be used.

4. Which three items are important when monitoring service quality in the SP network? (Choose three.)

A) QoS support differs from device to device, depending on underlying hardware platforms and software.
B) QoS issues can be difficult to detect when there is not enough traffic to trigger the configured QoS policy.
C) Establishing alarm thresholds for QoS problems can be complicated.
D) The typical cause of QoS issues is intermittent failure of network devices and these are inherently difficult to detect.
E) Troubleshooting class map configurations is complex and frequently required.
F) Collection of data to detect QoS issues is slow and labor-intensive.

5. Refer to the exhibit.

Your MPLS network is using RFC 3270 Uniform mode. Your customer reports that when a Microsoft NetMeeting call is placed between the workstations, the user at 172.16.1.2 experiences acceptable audio quality but the user at 172.16.2.2 experiences poor audio quality. What course of action should you take?

A) Change your policy to not remark audio packets within your network.
B) Use a policy map at the ingress to the PE1 router to remark packets from 172.16.1.2.
C) Have the customer set the correct marking of audio packets at the 172.16.1.2 device.
D) Have the customer set the correct marking of audio packets at the 172.16.2.2 device.
E) Use a policy map at the ingress to the PE2 router to remark packets from 172.16.2.2.

Solutions: