CompTIA Security+ (SY0-501) — Question 955

The data backup window has expanded into the morning hours and has begun to affect production users. The main bottleneck in the process is the time it takes to replicate the backups to separate severs at the offsite data center.
Which of the following uses of deduplication could be implemented to reduce the backup window?

Answer options

• A. Implement deduplication at the network level between the two locations
• B. Implement deduplication on the storage array to reduce the amount of drive space needed
• C. Implement deduplication on the server storage to reduce the data backed up
• D. Implement deduplication on both the local and remote servers

Correct answer: B

Explanation

The correct answer is B because implementing deduplication on the storage array reduces the overall amount of data that needs to be backed up, thus speeding up the backup process. Options A, C, and D may help in certain contexts but are less effective in directly reducing the data size that needs to be replicated than deduplication on the storage array.