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Cisco Quality of Service (QoS) Sample Questions:

1. Which algorithm (discard method) does WRED use to determine which packets will be dropped when the average queue length becomes larger than the user-specified maximum threshold?

A) tail discard
B) random discard
C) weighted early discard
D) packet size based discard

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

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

3. Which two of the following statements about CBWFQ are correct? (Choose two.)

A) The CBWFQ scheduler provides a guaranteed amount of minimum bandwidth to each class.
B) CBWFQ services each class queue using a strict priority scheduler.
C) Each CBWFQ traffic class is policed using a congestion aware policer.
D) The class-default queue only supports WFQ.
E) Inside a class queue, processing is always FIFO, except for the class-default queue.

4. SIMULATION - LAB

A) Please click console

5. The qos pre-classify command can be configured under which two configuration modes? (Choose two.)

A) router(config-crypto-map)#
B) router(config-pmap-c)#
C) router(config)#
D) router(config-cmap)#
E) router(config-router)#
F) router(config-if)#

Solutions: