Which hardware configuration can be a Fail-Safe Network Device?

A.
Two network ports on a single Data Mover configured for active-passive redundancy.

B.
Two network ports on a single Data Mover configured for active-active redundancy.

C.
One network port, per Data Mover, configured for active-active redundancy.

D.
A single network I/O adapter with four ports configured for active-active redundancy.