A p5-550 with AIX 5.3 is being designed for availability. In addition to providing redundant adapters, which of the following should also be provided?()
A、Redundant processor pools, UPS, and HACMP
B、Redundant service processors, HACMP, and mirrored AIX drives
C、Redundant processor pools, redundant service processors, and HACMP
D、Redundant power, redundant Virtual I/O Servers, and mirrored AIX drives