312-50V9 Question #345: Real Exam Question with Answer & Explanation

The correct answer is C: In a climate controlled facility offsite. Backup tapes must be stored at an offsite climate-controlled facility to protect against both site-wide disasters and environmental tape degradation simultaneously.

Question

Knowing the nature of backup tapes, which of the following is the MOST RECOMMENDED way of storing backup tapes?

Options

AIn a cool dry environment
BInside the data center for faster retrieval in a fireproof safe
CIn a climate controlled facility offsite
DOn a different floor in the same building

Explanation

Backup tapes must be stored at an offsite climate-controlled facility to protect against both site-wide disasters and environmental tape degradation simultaneously.

Common mistakes.

A. A cool dry environment addresses tape longevity but does not satisfy the offsite separation requirement, leaving backups exposed to the same site-wide disaster as primary systems.
B. Storing backups inside the same data center in a fireproof safe defeats the purpose of offsite backup, as a sufficiently severe disaster can still destroy both the primary data and the on-site backup.
D. A different floor in the same building still exposes backups to building-wide incidents such as fire, flooding, or structural collapse.

Concept tested. Offsite backup tape storage for disaster recovery

Reference. https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-34r1.pdf

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