ISC2 CC Practice Question: Business Continuity, Disaster Recovery, and Incident Response
Which backup method copies all data that has changed since the last full backup, regardless of subsequent incremental or differential backups?
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
✓
Differential backup
A differential backup copies all changes since the last full backup, making it distinct from incremental which copies changes since the last backup of any type.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Full backup
Why it's wrong here
Full backup copies all data, not just changes.
- ✗
Synthetic full backup
Why it's wrong here
A synthetic full is constructed from previous backups, not a direct method.
- ✓
Differential backup
Why this is correct
Differential copies changes since the last full backup.
- ✗
Incremental backup
Why it's wrong here
Incremental copies changes since the last backup of any type.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CC practice question is part of Courseiva's free ISC2 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 CC exam.