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Cisco Quality of Service (QoS) Sample Questions:

1. DRAG DROP
Drop

2. Based on the configuration, which two statements are true? (Choose two.)
Policy-map shape-cbwfq
Class interactive
Shape average 256000
Shape adaptive 128000
Bandwidth 128

A) The interactive traffic class will have a min-rate (min-cir) of 128 kbps.
B) This configuration allows class-based traffic shaping to lower the traffic rate in response to the BECN bit.
C) If the interactive traffic class exceeds an average rate of 256 kbps, the traffic rate will be throttled down to 128 kbps.
D) The interactive traffic class will have a minimum bandwidth guarantee of 256 kbps.
E) The interactive traffic class will have a maximum bandwidth guarantee of 256 kbps.

3. HOTSPOT

4. Mission-critical traffic is not getting a minimum bandwidth of 192 kbps in this policy-map configuration. What should be done to correct the problem?
policy-map test class mission-critical bandwidth 192 shape average 128000 queue-limit 64

A) Set the shape rate to a CIR that is higher than 192 kbps.
B) Decrease the maximum queue size for the mission-critical traffic class using the queue-limit 40 command.
C) Use the shape peak command instead of the shape average command.
D) Replace the bandwidth statement with the priority 192 command.
E) Change the bandwidth statement to the bandwidth 192000 command.
F) Increase the maximum queue size for the mission-critical traffic class using the queue-limit 128 command.

5. This policy-map is applied to a 128-kbps serial interface in the output direction. Which set of additional commands within this policy-map will improve the link efficiency on the serial interface?
policy-map test
class voice
priority 25
class telnet
bandwidth remaining percent 20
class ftp
bandwidth remaining percent 30

A) class ftp
fair-queue
B) class telnet
compression header ip tcp
C) class voice
no priority 25
bandwidth percent remaining 25
D) class telnet
fair-queue
E) class voice
compression header ip tcp
F) class ftp
compression header ip

Solutions: