Cisco
640-461 · Question #271
Which protocol is used by a Cisco IP phone to learn the voice VLAN ID from the Cisco switch to which it is connected?
The correct answer is D. Cisco Discovery Protocol. See the full explanation below for the reasoning.
Question
Which protocol is used by a Cisco IP phone to learn the voice VLAN ID from the Cisco switch to which it is connected?
Options
- ADynamic Host Configuration Protocol
- BTrivial File Transfer Protocol
- CNetwork Time Protocol
- DCisco Discovery Protocol
How the community answered
(49 responses)- A14% (7)
- B6% (3)
- C2% (1)
- D78% (38)
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