Which option is a valid overlay interface configuration and configures the OTV edge device as a secondary OTV adjacency server?
A. interface Overlay 1
otv join-interface e 101/1/48 otv adjacency-server secondary
otv use-adjacency-server primary 10.1.1 1 otv extend-vlan 5-10
B. interface Overlay 1
otv join-interface e1/2
otv adjacency-server unicast-only
otv use-adjacency-server 10 111 unicast-only
otv extend-vlan 5-10
C. interface Overlay 1
otv join-interface e101/1/48 otv adjacency-server unicast-only otv use-adjacency-server 10 1.1 1 unicast- only otv extend-vlan 5-10
D. interface Overlay 1 otv join-interface e1/2
otv use-adjacency-sen/er 10.1 1 1 10.1.1 2 otv extend-vlan 5-10
