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

1. DRAG DROP
Drag and drop mechanisms on the left to their corresponding uses on the right. Some mechanisms may not used.

2. A service provider will apply this policy at which of these interfaces?
interface Gi1/1 service-policy output SP-POLICY ! policy-map SP-POLICY class TRAFFIC-CLASS-1 police rate percent 20 conform-action transmit exceed-action drop priority ! class TRAFFIC-CLASS-2 bandwidth percent 50 queue-limit 800 ms random-detect exp 3 280 ms 490 ms ! class class-default queue-limit 500 ms random-detect exp 1 200 ms 350 ms random-detect exp 0 100 ms 200 ms ! end-policy-map ! class-map match-any TRAFFIC-CLASS-1 match dscp ipv4 45 ef cs6 match mpls experimental topmost 5 6 end-class-map ! class-map match-any TRAFFIC-CLASS-2 match dscp ipv4 cs2 af21 af23 af31 af32 af33 35 37 match mpls experimental topmost 3 end-class-map !

A) P interface toward PE
B) CE interface toward PE
C) PE interface toward CE
D) PE interface toward P

3. 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 172.16.2.2 device.
B) Change your policy to not remark audio packets within your network.
C) Use a policy map at the ingress to the PE2 router to remark packets from 172.16.2.2.
D) Have the customer set the correct marking of audio packets at the 172.16.1.2 device.
E) Use a policy map at the ingress to the PE1 router to remark packets from 172.16.1.2.

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

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

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

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

Solutions: