A costumer is considering purchasing a virtual library system (VLS). Because of budget
constraints they want to maximize data compression as a way to minimize costs.

Which factors affecting the deduplication ratio for backup are important for the company to
consider? Select two

A.
data change rate

B.
data retention policy

C.
number of data streams

D.
amount of allowable ????? time

E.
capacity of the tape cartridges

Explanation: