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Exam 400-351 topic 1 question 52 discussion

Actual exam question from Cisco's 400-351
Question #: 52
Topic #: 1
[All 400-351 Questions]

To avoid classification at all switches within a QoS domain, a switch port may be configured in a trusted state. Which two statements are true regarding the trust state configuration of a switch port? (Choose two.)

  • A. When mls qos trust is not configured on the port, the default port trust state is DSCP.
  • B. When mls qos trust is not configured on the port, the default port trust state is CoS.
  • C. The port trust state can be CoS or DSCP only.
  • D. When mls qos trust cos is configured on the port, the port default CoS value is used for an untagged packet.
  • E. When mls qos trust cos is configured on the port, the switch classifies an ingress packet by using the packet CoS value.
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Suggested Answer: DE 🗳️
by [deleted] at April 4, 2025, 1:04 a.m.

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