|Exam 640-692||Question id=196||Service-related Knowledge|
What are two possible causes if an Ethernet interface is up and the line protocol is down?
The Ethernet cable might not be attached properly|
There is a speed or duplex mismatch with the remote device|
The Ethernet interface has been manually disabled|
There is a Layer 2 mismatch in the encapsulation type|
Keepalives are not being received by the local device|