You are designing Microsoft SQL Server 2005 Analysis Services (SSAS) cubes for two business units.

Each business unit has the following requirements:

Full administrative access only to its own cubes and not to the cubes of the other unit.
Ability to run its cubes on a different computer in the event of a hardware failure.

You need to install SSAS in a configuration to create cubes that meet the above requirements.

Which instance should you use?

A.
Two clustered instances

B.
A single clustered instance

C.
Two nonclustered instances

D.
A single nonclustered instance