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Customer A is complaining that CE1 and CE2 cannot form an OSPF adjacency across your LDP Layer 2 circuit. The physical topology of the network is CE1-PE1-P-PE2-CE2.PE1’s loopback is 192.168.5.1, P’s loopback is 192.168.6.1, and PE2’s loopback is 192.168.7.1.
Referring to the output in the exhibit, what is the problem?
A . mismatched virtual circuit ID values
B . mismatched interface encapsulations
C . incorrect PE-CE interface configuration
D . extended LDP neighbor not established
Answer: A