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Updated: May 31, 2026
No. of Questions: 87 Questions & Answers with Testing Engine
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Cisco Quality of Service (QoS) Sample Questions:
1. Based on the following show output, which statement is true?
WG1S1#sh mls qos interface fa0/1 FastEthernet0/1 trust state: not trusted trust mode: trust cos COS override: dis default COS: 0 pass-through: none trust device: cisco-phone
A) All incoming DSCP markings are trusted.
B) DSCP markings from the Cisco IP Phone are trusted.
C) A Cisco IP Phone is not connected to the fa0/1 switch port.
D) All incoming CoS markings are trusted.
2. HOTSPOT
3. In a typical converged campus network, which two of the following are considered QoS best practices? (Choose two.)
A) Ensure voice traffic is serviced by a weighted fair queue.
B) Only a reasonable number of applications should be classified into the mission-critical traffic class.
C) Catalyst switches should use weighted round robin (WRR) queuing giving the voice traffic the highest priority.
D) NBAR is used at the high speed core layer to discover and classify network applications.
E) Traffic classification and marking is performed as close to the traffic source as possible.
F) Traffic classification and marking is performed at the high speed core layer.
4. DRAG DROP
5. 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) priority
B) police
C) hold-queue
D) bandwidth
E) queue-limit
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: Only visible for members | Question # 3 Answer: B,E | Question # 4 Answer: Only visible for members | Question # 5 Answer: B |
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