Which of the following statements best describes an FDB used in a VPLS service?

Which of the following statements best describes an FDB used in a VPLS service?
A . A VPLS service does not use an FD
C . An FDB is maintained on the PE router to track MAC addresses learned from all traffic through the router.
D . An FDB is maintained on the PE router to track MAC addresses learned from all VPLS services on the router.
E . A separate FDB is maintained for each VPLS service to track MAC addresses learned from each service.
F . For each VPLS service, two FDBs are maintained to track MAC addresses; one for unicast traffic and one for multicast and broadcast traffic.

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Answer: D