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Cisco Quality of Service (QoS) Sample Questions:

1. Which three statements regarding WRED are true? (Choose three.)

A) WRED is used to rate-limit the incoming traffic by metering the incoming traffic rate.
B) WRED uses a shaping queue to delay excess traffic.
C) WRED can be IP precedence-based or DSCP-based.
D) ECN is an extension of WRE
E) WRED can be applied to a traffic class using CB-WRED.
F) WRED is an advanced queuing mechanism.

2. SIMULATION - LAB

A) Please click console

3. SIMULATION - LAB

A) Please click console

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

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

5. Which three characteristics are drawbacks to the use of a best-effort with over-provisioning backbone design? (Choose three.)

A) It requires complex QoS mechanisms at the network core.
B) Denial of Service attacks on one service can affect all network traffic.
C) The design uses a different over-provisioning ratio for the different traffic classes.
D) It requires complex QoS mechanisms at the network edge.
E) The design costs more to implement than a DiffServ backbone.
F) Unplanned network failures can cause unexpected congestion in the network.

Solutions: