Cisco Maintaining Cisco Service Provider Quality of Service (MSPQS) : 642-785

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

1. Which is the preferred queuing method provided by Cisco IOS Software for a converged VoIP network?

A) FIFO
B) CBWFQ
C) WFQ
D) LLQ

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

3. Which two IP SLA Probe types can be used to measure voice quality? (Choose two.)

A) ICMP Path Jitter
B) HTTP
C) UDP Jitter
D) UDP MOS
E) UDP Echo
F) UDP Delay

4. The provider you work for supports a wide range of Cisco router models and Cisco IOS Software releases. You are in the process of moving to a SNMP-based tool to monitor QoS configurations and statistics. What are some of the challenges to this approach?

A) Older versions of Cisco IOS Software do not maintain index persistency, which results in significant changes in the information that is collected unless properly configured.
B) SNMP should be used in conjunction only with Cisco IP SLA to ensure that the information gathered is reported properly.
C) The SNMP MIB provides direct access into the QoS configuration parameters. Poor configuration could lead to changes that are difficult to track.
D) Some models of Cisco routers do not have full support for the class-based QoS MIB, which results in a number of elements that cannot be managed.

5. Which two Cisco IOS commands can be used to monitor QoS on a device? (Choose two.)

A) show qos-interface
B) show policy-map
C) show qos-dbl
D) show class-map
E) show qos-maps
F) show service-policy

Solutions: