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Cisco Quality of Service (QoS) Sample Questions:

1. When LLQ is being configured, which IOS command is used to limit the traffic rate on the priority queue even when the other class queues are not congested?

A) hold-queue
B) priority
C) bandwidth
D) queue-limit
E) police

2. Refer to the exhibit. A service provider is considering several alternative provisioning schemes for a new network. One proposed scheme involves aggregating 10-Mbps links from customers into a network with multiple 100-Mbps links to ensure that the network links have at least two times the capacity of the aggregate of the customer links.
What is the most appropriate description for the proposed scheme?

A) CIR of 0
B) overprovisioning
C) oversubscription
D) overaggregate
E) Bandwidth-on-Demand

3. HOTSPOT

4. QoS policy propagation through BGP (QPPB) supports which two QoS markers? (Choose two.)

A) COS
B) DSCP
C) IP precedence
D) QoS group
E) MPLS EXP

5. Refer to the exhibit. Why would applying the limit-interactive policy-map to the fa0/0 interface as shown below cause an error?
interface fa0/0 service-policy input limit-interactive

A) There is already an output service-policy defined on the fa0/0 interface.
B) The interactive class-map has not been configured.
C) Class-based policing can only be applied in the output direction.
D) The interactive traffic class is missing the bandwidth {kbps} command.
E) TCP header compression can only be applied in the output direction.

Solutions: