Which statement best describes Cisco OTV internal interfaces?
A . They are Layer 2 interfaces that are configured as either access or trunk interfaces on the switch.
B . They are interfaces that perform Layer 3 forwarding with aggregation switches.
C . They are the interfaces that connect to the IS
E . They are tunnel interfaces that are configured with GRE encapsulation.
Answer: A
Explanation:
https://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Data_Center/DCI/whitepaper/DCI3_OTV_Intro/DCI_1.html
"Internal Interfaces To perform OTV functionality, the edge device must receive the Layer 2 traffic for all VLANs that need to be extended to remote locations. The Layer 2 interfaces, where the Layer 2 traffic is usually received, are named internal interfaces"
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