Implementing and Operating Cisco Collaboration Core Technologies (CLCOR) — Question 334

Which set of QoS commands must be configured on an interface of a catalyst switch so the ingress traffic can be trusted for a desk phone?

Answer options

• A. Switch(config)# interface gigabitethernet2/0/1 Switch(config-if)# qos trust device desk-phone
• B. Switch(config)# interface gigabitethernet2/0/1 Switch(config-if)# qos mis trust device cisco-phone
• C. Switch(config)# interface gigabitethernet2/0/1 Switch(config-if)# mis trust qos device desk-phone
• D. Switch(config)# interface gigabitethernet2/0/1 Switch(config-if)# mis qos trust device cisco-phone

Correct answer: D

Explanation

The correct answer is D because it accurately configures the interface to trust QoS settings for a Cisco phone, which is essential for proper voice traffic prioritization. Options A, B, and C are incorrect as they either misconfigure the trust settings or reference the wrong device type, which would not appropriately handle the QoS for the desk phone.