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Exam 350-801 topic 1 question 346 discussion

Actual exam question from Cisco's 350-801
Question #: 346
Topic #: 1
[All 350-801 Questions]

An engineer must configure switch port 2/8 to send CDP packets to configure an attached Cisco IP phone to trust tagged traffic on its access port. Which command is required to complete the configuration?


Router# configure terminal -
Router(config)# interface gigabitethernet 2/8
Router(config-if)# description Cube E43.308-6491

  • A. platform qos trust extend cos 3
  • B. platform qos extend trust
  • C. platform qos trust extend
  • D. platform qos trust extend cos 5
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Suggested Answer: C 🗳️
by MaxG at June 17, 2023, 12:01 p.m.

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MaxG
10 months, 2 weeks ago
Selected Answer: C
C is correct. The trusted boundary device verification feature configures ports on the switch to apply configured QoS port trust commands only when the Cisco Discovery Protocol (CDP) verifies that the device attached to the port is a Cisco IP phone. The trusted boundary feature is implemented with the platform qos trust extend command. https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst6500/ios/15-5SY/config_guide/sup6T/15_5_sy_swcg_6T/voip.html#65307
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