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Cisco Quality of Service (QoS) Sample Questions:

1. Switch port fa0/2 has been configured to connect an IP phone with an attached PC. Given the set of commands shown below, where does the trust boundary lie?
interface fa0/2 mls qos trust cos mls qos trust device cisco-phone switchport voice vlan 112

A) between the IP phone and the switch
B) between the access layer switch and the distribution layer switch
C) between the IP phone and the PC
D) between the PC port and the LAN port on the IP phone

2. 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) police
C) priority
D) queue-limit
E) bandwidth

3. Where is the error in the following policy-map configuration?
policy-map test class voice priority 168 class mission-critical bandwidth 192 random-detect class class-default fair-queue bandwidth 128

A) The voice traffic class is missing the random-detect command.
B) The mission-critical traffic class bandwidth guarantee should be lower than the voice traffic class priority bandwidth guarantee.
C) Fair-queue should be enabled for the mission-critical traffic class.
D) The bandwidth command is not a valid command for the class-default traffic class in this case.
E) The mission-critical traffic class is missing the queue-limit command.

4. In which two locations is the qos pre-classify command applied to support QoS preclassification over an IPSec/GRE tunnel? (Choose two.)

A) the policy-map
B) the class-map
C) the tunnel interface
D) the crypto map
E) the physical interface

5. DRAG DROP
Drop

Solutions: