Why have data center managers typically deployed significantly more disk storage than the
applications are demanding?

A.
Systems were built onthe application and expanding the application storage capacity was a
complex and expensive process.

B.
Less expensive, larger capacity storage devices were available to buy at the time of initial
purchase.

C.
The sizing tools available in the past were very inaccurate, and allowances had to be made in
storage capacity.

D.
Older applications needed lots of space for temporary storage.

Explanation: