Which configuration is correct for successful deployment of a highly available Cisco UCS cluster?

A.
Connect L1 of fabric interconnect A to L2 of fabric interconnect B.

B.
Connect L2 of fabric interconnect A to L2 of fabric interconnect A.
Connect fabric interconnect A to IOM A of each chassis, using one to four uplinks.
Connect Fabric Interconnect B to IOM B of each chassis, using one to four uplinks.
Connect L1 of fabric interconnect A to L1 of fabric interconnect B.

C.
Connect L2 of fabric interconnect A to L2 of fabric interconnect B.
Connect fabric interconnect A to IOM A of each chassis, using one to four uplinks.
Connect Fabric Interconnect B to IOM B of each chassis, using one to four uplinks.
Connect L1 of fabric interconnect B to L2 of fabric interconnect B.

D.
Connect L2 of fabric interconnect A to L2 of fabric interconnect A.
Connect fabric interconnect A to IOM A of each chassis, using one to four uplinks.
Connect Fabric Interconnect B to IOM B of each chassis, using one to four uplinks.
Connect L1 of fabric interconnect B to L2 of fabric interconnect B.

E.
Connect L2 of fabric interconnect B to L2 of fabric interconnect B.
Connect fabric interconnect A to IOM A of each chassis, using one to four uplinks.
Connect Fabric Interconnect B to IOM B of each chassis, using one to four uplinks.

Explanation:

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