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

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

A. A VPLS service does not use an FDB.
B. An FDB is maintained on the PE router to track MAC addresses learned from all traffic through the router.
C. An FDB is maintained on the PE router to track MAC addresses learned from all VPLS services on the router.
D. A separate FDB is maintained for each VPLS service to track MAC addresses learned from each service.
E. For each VPLS service, two FDBs are maintained to track MAC addresses; one for unicast traffic and one for multicast and broadcast traffic.