Which protocol can identify connected devices within a mixed-vendor infrastructure?
A. Virtual terminal protocol
B. Network time protocol
C. Link level discovery protocol
D. Cisco discovery protocol
Which protocol can identify connected devices within a mixed-vendor infrastructure?
C is the correct answer
The Link Layer Discovery Protocol (LLDP) is a vendor-neutral link layer protocol used by network devices for advertising their identity, capabilities, and neighbors on a local area network based on IEEE 802 technology, principally wired Ethernet.
Whereas Cisco Discovery Protocol (CDP) is a proprietary Data Link Layer protocol.It is used to share information about other directly connected Cisco equipment, such as the operating system version and IP address.
Answer should be D
cdp use only Cisco
LLDP
LLDP , so C is correct.
Link Layer Discovery Protocol(LLDP) not link level