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Cisco Quality of Service (QoS) Sample Questions:

1. DRAG DROP
Drop

2. Which mechanism is used for the prioritizing, protection, and isolation of traffic based on marking?

A) policing
B) congestion management
C) congestion avoidance
D) metering
E) shaping
F) classification and marking

3. Which two values influence how the fragment size should be set when configuring FRF.12? (Choose two.)

A) the Voice over IP (VoIP) packet size
B) the dual FIFO Frame Relay interface queue size
C) the physical interface port speed
D) the software queuing method
E) the CIR of the PVC

4. Based on the configuration, which two of the following statements are true? (Choose two.)
policy-map police 1
class bulk-ftp
police cir percent 20 pir percent 40
conform-action set-dscp-transmit af11
exceed-action set-dscp-transmit 0
violate-action drop

A) This is a dual-rate, class-based policing example.
B) This is a multi-action, class-based policing example.
C) This configuration will use a single token bucket.
D) This configuration will drop all exceeding traffic.
E) This is a percentage-based policing example.

5. In a typical converged campus network, which two of the following are considered QoS best practices? (Choose two.)

A) Catalyst switches should use weighted round robin (WRR) queuing giving the voice traffic the highest priority.
B) NBAR is used at the high speed core layer to discover and classify network applications.
C) Traffic classification and marking is performed as close to the traffic source as possible.
D) Only a reasonable number of applications should be classified into the mission-critical traffic class.
E) Ensure voice traffic is serviced by a weighted fair queue.
F) Traffic classification and marking is performed at the high speed core layer.

Solutions: