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

1. What are the benefits of using differentiated services in the service provider backbone? (Choose two.)

A) overprovision by two times the maximum aggregate
B) less bandwidth required to achieve the same SLA
C) simple, easy to design, deploy, and operate
D) more aggregate traffic supported

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

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

3. A customer with an unmanaged CE router has reported experiencing poor quality on the video conferencing and broadcast multimedia applications. To address the issue, the provider has implemented shaping on the PE router to "smooth out" speed mismatches in the network. Which of these is a valid concern with this approach?

A) While shaping may help the broadcast multimedia application, it could cause additional delay in the video conferencing application.
B) In addition to shaping, the provider should implement policing so the application can detect the congestion and throttle traffic.
C) Shaping can only be applied to the outbound interface, which does not prevent the customer from flooding the inbound link to the provider.
D) Shaping should only be used in a TCP-based environment where the application can detect the congestion and adjust. Shaping provides little benefit with UDP applications.

4. Within a QoS policy-map configuration, one of the traffic classes is configured with the random-detect dscp-based configuration command. What will that command accomplish?

A) decreases the probability of congestion by selectively dropping TCP packets before the queue is full
B) provides congestion management by queueing the traffic using LLQ
C) decreases congestion by avoiding global UDP synchronization
D) provides congestion management by queueing the traffic using CBWFQ
E) provides congestion avoidance by selectively delaying the delivery of packets with lower DSCP priority

5. What can be used to provide read-only access to QoS configuration information and statistics from a network management station?

A) SYSLOG
B) NBAR
C) CISCO-CLASS-BASED-QOS-MIB
D) IP SLA
E) NetFlow

Solutions: