A customer requires a solution with maximum availability. Therefore, the sales person recommends POWER8
Enterprise class servers.
Which of the following Enterprise class features are found on all of the Power8 Enterprise servers?

A.
Redundant service processors

B.
Redundant service processors and dual clocks

C.
Spare Voltage Regulator Modules

D.
Redundant disk controllers and spare Voltage Regulator Modules

Explanation:
POWER8 Enterprise RAS features include:
Redundant service processors with automatic failover
Redundant system clocks with dynamic failover
http://www-03.ibm.com/systems/power/hardware/e880/specs.html