A customer is considering implementing an EMC Disk Library with Active Engine Failover
(AEF). Front-end ports 1, 3, and 4 from Engine A will be connected to the SAN. On Engine
B, front-end ports 7, 8, and 11 will be connected to the SAN. To ensure proper AEF
functionality, what is the total number of front-end ports from both engines that need to be
connected to the SAN?

A.
3

B.
6

C.
8

D.
12