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Updated: Jun 03, 2026
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Cisco Quality of Service (QoS) Sample Questions:
1. Which two different traffic types have the most similar sensitivity to latency, jitter, and packet loss? (Choose two.)
A) voice
B) peer-to-peer file sharing
C) SQL transactions
D) streaming video
E) voice signaling
F) video conferencing
2. Which command is typically applied to the voice traffic class within a policy-map?
A) shape peak {bps}
B) shape average {bps}
C) bandwidth {kbps}
D) fair-queue
E) random-detect dscp-based
F) compress header ip rtp
3. When configuring a Cisco Catalyst switch to accommodate an IP phone with an attached PC, it is desired that the trust boundary be set between the IP phone and the switch. Which two commands on the switch are recommended to set the trust boundary as described? (Choose two.)
A) mls qos trust cos
B) mls qos trust device cisco-phone
C) switchport priority extend trust
D) no mls qos trust dscp
E) mls qos cos 5
F) mls qos trust extend [cos value]
4. The show policy-map interface command output is showing too many random drops for the mission-critical traffic class. What can be changed to reduce the random drops?
A) Increase the WRED min-threshold value for the mission-critical traffic class.
B) Decrease the WRED drop probability denominator for the mission-critical traffic class.
C) Increase the WRED max-threshold value for the mission-critical traffic class.
D) Decrease the queue-limit for the mission-critical traffic class.
E) Enable fair-queue within the mission-critical traffic class.
5. HOTSPOT
Solutions:
| Question # 1 Answer: A,F | Question # 2 Answer: E,F | Question # 3 Answer: A,B | Question # 4 Answer: A | Question # 5 Answer: Only visible for members |
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