CISA Practice Question: Information Systems Operations and Business Resilience
An organization's backup strategy includes taking full backups weekly and transactional log backups every 15 minutes. The auditor wants to verify that backup encryption is implemented for offsite storage. Which control is most relevant?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Backup encryption at rest
Backup encryption at rest ensures that data stored offsite is protected from unauthorized access, which is a key control for offsite backups.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Backup compression
Why it's wrong here
Incorrect: Compression reduces storage but does not provide security.
- ✗
Offsite transport log
Why it's wrong here
Incorrect: Transport logs track movement, not encryption.
- ✓
Backup encryption at rest
Why this is correct
Correct: Encryption at rest protects backup data stored offsite from unauthorized access.
- ✗
Backup verification logs
Why it's wrong here
Incorrect: Verification logs confirm backup integrity, not encryption.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CISA practice question is part of Courseiva's free ISACA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CISA exam.