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Cisco 642-785 Exam Syllabus Topics:

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

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

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

2. A customer is experiencing poor quality on voice connections coming from a particular branch office. Data on the service provider network capacity indicates that the devices serving that location are heavily oversubscribed. It will be months before planned expansions can be implemented. Which class-based traffic-shaping technique would be appropriate to consider implementing?

A) shaping to the observed median rate
B) shaping to the configured average rate
C) shaping to the committed rate
D) shaping to the peak rate

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

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

4. Which Cisco IOS feature is used to enable the following class map configuration?
class-map match-all test-cm
match protocol gnutella file-transfer "*"

A) CBWFQ
B) CAR
C) NBAR
D) Flexible Packets Matching
E) NetFlow

5. An MPLS VPN customer reports that their DSCP markings from one CE to another CE are being remarked by the service provider. What can cause customer packets to be remarked?

A) The service provider is using the Short Pipe mode as the MPLS QoS tunnel mode.
B) The service provider is using Uniform mode as the MPLS QoS tunnel mode.
C) The service provider is using Pipe mode as the MPLS QoS tunnel mode.
D) The MPLS VPN service provider is using Penultimate Hop Popping.

Solutions: