A cluster administrator has been asked to install HACMP

单项选择题

A cluster administrator has been asked to install HACMP on two nodes with the following hardware：
-two CPUs， - 1GB RAM， - one 1 36GB drive， -two 10/100/1000 Ethernet adapters， and -GB Fibre Channel adapters dual attached to SAN storage.
In order to eliminate single points of failure，the administrator should first add which of the following：（）

A. an additional 1GB RAM to each node.
B. Another bootable mirrored disk drive.
C. A 10/100/1000 GB Ethernet adapter to be attached to a redundant switch.
D. Nothing，because this is a viable cluster solution with no single points of failure.

IBM(000-237)