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

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

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

3. Which Cisco IOS XR command will help troubleshoot why a policy map fails to apply on an interface?

A) show qos interface tenGigE 0/0/0/0
B) show policymgr qos trace all
C) show service-policy interface tenGigE 0/0/0/0
D) show policy-map interface tenGigE 0/0/0/0
E) clear qos counters

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

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

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

Solutions: