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

1. Which three items are important when monitoring service quality in the SP network? (Choose three.)

A) QoS issues can be difficult to detect when there is not enough traffic to trigger the configured QoS policy.
B) The typical cause of QoS issues is intermittent failure of network devices and these are inherently difficult to detect.
C) QoS support differs from device to device, depending on underlying hardware platforms and software.
D) Troubleshooting class map configurations is complex and frequently required.
E) Establishing alarm thresholds for QoS problems can be complicated.
F) Collection of data to detect QoS issues is slow and labor-intensive.

2. Refer to the exhibit.

Which statement is correct?

A) This example is a traffic policer, and traffic exceeding the committed rate will be buffered until the congestion is cleared.
B) This example is a dual-bucket policer, and only traffic that exceeds the committed rate will be dropped.
C) This example is a dual-rate policer, and traffic exceeding either the peak or the committed rate will be dropped.
D) This example is a traffic policer, and three token buckets are used to meter the incoming traffic.
E) This example is a percentage-based policer, and the configured percentage is referenced to the input or output queue size.

3. Which three can be monitored by IP SLA? (Choose three.)

A) jitter
B) packet loss
C) network delay
D) buffer allocation
E) queue utilization

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

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

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 should be implemented on dedicated hardware to properly simulate network endpoints.
B) IP SLA should use a mix of source and target points.
C) 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.
D) IP SLA is supported only on Cisco IOS edge routers, because it simulates traffic from the network endpoints.

Solutions: