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Cisco 642-785 Exam Syllabus Topics:

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) All traffic is classified and treated properly, no issues occur.
B) Only one priority queue is allowed per policy.
C) No bandwidth or policing is configured for voice and video traffic, and other traffic could be impacted.
D) Default class does not have bandwidth assigned.

2. Refer to the exhibit.

Which statement is correct?

A) No traffic matched the SP-REALTIME class.
B) This policy map is applied to the FastEthernet0/0 interface in the input direction.
C) Packets marked with both DSCP EF and MPLS EXP 5 markings will not be classified into the SP-REALTIME traffic class.
D) The FastEthernet0/0 interface is using CBWFQ egress queueing.
E) A total of 133836 packets have been transmitted out of the FastEthernet0/0 interface.

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) 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) Use a policy map at the ingress to the PE2 router to remark packets from 172.16.2.2.
E) Change your policy to not remark audio packets within your network.

4. What would be the first step when defining an MQC?

A) Attach the traffic policy (policy map) to the interface by using the service-policy command.
B) Apply the commands such as bandwidth, police, and set dscp to enable the QoS feature.
C) Create a traffic policy by using the policy-map command.
D) Add one or more match commands to classify packets.
E) Define a traffic class by using the class-map command.

5. Refer to the exhibit.

Which statement is correct?

A) This policy will police traffic at the ingress and egress directions.
B) Packets marked with IP Precedence 5 that exceeds the committed rate will be marked with MPLS EXP 5.
C) Packets marked with IP Precedence 5 that conforms to the committed rate will be marked with MPLS EXP 5 then transmitted.
D) This is a dual-rate policing example.

Solutions: