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

1. What are two benefits of the DiffServ model? (Choose two.)

A) Its class-based mechanisms are simple and scale well.
B) It does not require setting up an end-to-end signaling mechanism.
C) It provides absolute guarantees of service quality.
D) Service quality can be tailored to the needs of many different types of traffic.

2. Refer to the exhibit.

Traffic in CLASS-B is not getting a minimum bandwidth of 192 kb/s in this policy map. What can be done to correct this?

A) Set the shape rate to a CIR higher than 192 kb/s.
B) The shape peak command should be used instead of the shape average command.
C) No changes are needed, the site is already correct.
D) Decrease the maximum queue size.

3. A customer reports that the packets from their custom TCP application, which is currently marked as DSCP AF43, is being dropped more frequently than desired. All of the links in service provider network are using DSCP-based WRED. What can be changed to best improve the drop rate of the customer's custom application without causing major problems for the other traffic classes?

A) Mark the custom application traffic to DSCP EF instead.
B) Remove WRED on all the links.
C) Mark the custom application traffic to DSCP AF41 instead.
D) Allocate more bandwidth to the AF43 traffic class.
E) Use a different queuing method for the AF43 traffic class.

4. Refer to the exhibit.

The voice traffic is not receiving the appropriate per-hop behavior at the egress of the CEPE link. What is the problem?

A) The control traffic class should be configured with the priority command instead of the bandwidth command.
B) Both ACLs are misconfigured.
C) Both class maps are misconfigured.
D) Instead of hard coding the actual bandwidth on the priority and bandwidth commands, the percent option should be used.

5. A provider plans to use IP SLA to help diagnose future performance issues in their PE routers in the network. Which two should be considered by the provider? (Choose two.)

A) IP SLA is supported only on Cisco IOS edge routers, because it simulates traffic from the network endpoints.
B) IP SLA requires a significant amount of resources to operate properly. Using IP SLA on the PE routers will only aggravate performance-related issues the network already encounters.
C) IP SLA should be implemented on dedicated hardware to properly simulate network endpoints.
D) IP SLA should use a mix of source and target points.

Solutions: