Which action is necessary to complete the configuration if the ISP uses third-party network devices?

An engineer configures interface Gi1/0 on the company PE router to connect to an ISP.

Neighbor discovery is disabled.

interface Gi1/0

description HQ_DC3392-9383

duplex full

speed 100

negotiation auto

lldp transmit

lldp receive

Which action is necessary to complete the configuration if the ISP uses third-party network devices?
A . Enable LLDP globally
B . Disable autonegotiation
C . Disable Cisco Discovery Protocol on the interface
D . Enable LLDP-MED on the ISP device

View Answer

Answer: A