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Cisco 642-785 Exam Syllabus Topics:

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

Question 1

Which three issues are important challenges for monitoring service quality in the SP core network? (Choose three.)

A. Packets have to traverse many network devices and links that add up to the overall delay.
B. Packets may have to be dropped when a link is congested.
C. Multiple flows compete for a limited amount of bandwidth.
D. Relatively few tools are available for collecting service quality data.
E. Traffic flows are continuously high.

Question 2

Which MQC capabilities are unique to Cisco IOS XR Software?

A. classification and marking
B. congestion management
C. fabric qos
D. policing and shaping
E. congestion avoidance

Question 3

Which command shows real traffic statistics on each class map on the 10 Gigabit interface 0/10/0/0 at the egress direction?

A. show service-policy interface tenGigE 0/10/0/0 egress
B. show service-policy interface tenGigE 0/10/0/0 output
C. show qos interface tenGigE 0/10/0/0 output
D. show qos interface tenGigE 0/10/0/0 egress
E. show policy-map interface tenGigE 0/10/0/0 egress
F. show policy-map interface tenGigE 0/10/0/0 output

Question 4

Which two statements about IP SLA are correct? (Choose two.)

A. IOS IP SLA is a traffic monitoring mechanism that gathers statistics about traffic based on packet headers and fields.
B. Cisco IOS IP SLA is Layer 2 transport independent.
C. IP SLA uses NBAR to provide the reporting engine for statistics that it collects.
D. Cisco IOS IP SLA can be used to help detail billing information for each defined class of service.
E. IOS IP SLA uses active traffic monitoring which allows users to analyze service levels for IP applications.

Question 5

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 class maps are misconfigured.
C. Both ACLs are misconfigured.
D. Instead of hard coding the actual bandwidth on the priority and bandwidth commands, the percent option should be used.

Solutions: