Which open standard allows a switch with PoE support to correctly determine the power
requirements of a connected device?

A.
ICMP

B.
AutoPower

C.
LLDP-MED

D.
CDP

Explanation:
The Link Layer Discovery Protocol (LLDP) is a vendor-neutral link layer protocol in the Internet
Protocol Suite used by network devices for advertising their identity, capabilities, and neighbors on
an IEEE 802 local area network, principally wired Ethernet. Media Endpoint Discovery is an
enhancement of LLDP, known as LLDP-MED, that provides the following facilities: