Cisco
640-461 · Question #248
Which protocol is used by a Cisco PoE switch to deliver voice VLAN information to a Cisco IP phone?
The correct answer is A. Cisco Discovery Protocol. See the full explanation below for the reasoning.
Question
Which protocol is used by a Cisco PoE switch to deliver voice VLAN information to a Cisco IP phone?
Options
- ACisco Discovery Protocol
- BUser Datagram Protocol
- CTransmission Control Protocol
- DSession Initiation Protocol
How the community answered
(54 responses)- A72% (39)
- B6% (3)
- C7% (4)
- D15% (8)
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