When sizing a solution involving deduplication, how does the rate of changed blocks between
backups affect the deduplication ratio?

A.
No changed blocks between backups result in a deduplication ratio of 0%.

B.
The lower the block change rate, the higher the deduplication ratio.

C.
Deduplication ratio is only affected by the backup software.

D.
The rate of changed blocks does not affect deduplication efficiency.

Explanation:

Architecting Multi-site HP Storage Solutions page 258 – The Lower the ‘Block Change Rate’ of the
backup data the higher the deduplication ratio.