A. Local Area Mobility
B. Link Layer Discovery Protocol
D. Logical Link Discovery Protocol
The Link Layer Discovery Protocol (LLDP) is defined in the IEEE 802.1AB standard for 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. LLDP functions in a similar way as several proprietary protocols, such as the Cisco Discovery Protocol (CDP).
CCNP Routing and Switching