You have been asked to design a new backup solution for a customer to satisfy operational
backup requirements. After an initial analysis you decide to implement a two-tier solution. The first
tier is disk; the second tier is tape. A retention period needs to be defined for the first tier that will

determine when backup data will be moved to the second tier.
What is an important piece of information you need to consider when determining this retention
period?

A.
Available bandwidth

B.
Recovery point objective

C.
Frequency of restore requests

D.
Type of backup