Question

An IS auditor is reviewing a backup storage environment that uses data deduplication to reduce storage consumption across multiple daily backups. During the review, the auditor notes that all backup jobs write to a single deduplication appliance located in the primary data center, and no copies are replicated elsewhere. Which of the following represents the GREATEST concern with this configuration?

Accepted Answer

Corruption or loss of the deduplicated data store could render all backups unrecoverable

Answer

Deduplication reduces the total number of restore points available for recovery

Answer

Deduplication increases the time required to complete each backup job

Answer

Deduplicated data cannot be encrypted while at rest on the appliance