Which of the Following Offers the Highest Level of Redundancy

Multiple Choice

Which of the following offers the highest level of redundancy in the design of a storage system?

A) A Dual Port HBA with a pair of Point-To-Point connections to the SAN.
B) Two Single Port HBAs connected to a fiber switch.
C) A Dual Port HBA with a Point-To-Point connection to a SAN.
D) Two Dual Port HBAs connected to a pair of fiber switches.