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

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

2. Which Cisco IOS command lists all traffic classifications?

A) show qos
B) show service-policy
C) show class-map
D) show policy-map

3. You have deployed IP SLA in your network to monitor VoIP. You want to be notified on network delay before it affects voice quality. What threshold should be set?

A) 150 ms round trip
B) 200 ms round trip
C) 150 ms one-way
D) 250 ms one-way
E) 50 ms round trip

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

5. 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) SNMP should be used in conjunction only with Cisco IP SLA to ensure that the information gathered is reported properly.
B) 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.
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.

Solutions: