Which principle requires that backup tapes be verified by performing test restores at planned intervals?
A CISSP practice question covering Domain 7: Security Operations. Try answering before reading the explanation below.
Show options & answer
Why "Backup verification / restorability testing" is the right answer
A backup that has never been tested is just hope. Periodic test restores prove the data is recoverable end-to-end. Sovereignty is jurisdictional, minimization limits collection, erasure is a GDPR right — none address whether your tapes actually work.
Study videos for this topic
Want to go deeper on Domain 7? Watch the full breakdown — every video is free, no account, no upsell.
Take the full CISSP practice test
120 questions, instant explanations, study-video links on every miss. No account.