JN0-660 Question #521: Real Exam Question with Answer & Explanation

In the exhibit, which configuration element is missing to bring up the Layer 2 circuit? user@router# show interfaces xe-0/0/0 { unit 0 { family inet { address 192.168.12.1/24; } family mpls; } } xe-0/0/1 { encapsulation ethernet-ccc; unit 0 { family ccc; } } lo0 { unit 0 { family inet { address 1.1.1.1/32; } } } [edit] user@router# show protocols mpls { interface all; } ospf { traffic-engineering; area 0.0.0.0 { interface all; } } ldp { interface all; } l2circuit { neighbor 2.2.2.2 { interface xe-0/0/1.0 {} } }