ISC2 CC Practice Question: Business Continuity, Disaster Recovery, and Incident Response
Which type of backup copies all data that has changed since the last full backup, regardless of any 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
Differential backup backs up all changes since the last full backup. Incremental backs up changes since any last backup.
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 everything, not just changes.
- ✓
Differential backup
Why this is correct
Differential backup copies all changes since the last full backup.
- ✗
Incremental backup
Why it's wrong here
Incremental backs up changes since the last backup of any type.
- ✗
Synthetic full backup
Why it's wrong here
Synthetic full backup is a different technology that creates a full backup from previous backups.
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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.