Question 155 of 144
SK0-005 security-disaster-recovery Practice Question
A company performs a full backup on Sunday and incremental backups Monday through Saturday. A server fails on Thursday at 10:00 AM. Which sequence correctly restores the data?
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
✓
Restore Sunday full, then Monday, Tuesday, and Wednesday incrementals.
Option C is correct because an incremental backup captures only changes since the last backup, requiring the last full backup and all subsequent incrementals up to the point of failure. Options A and D are wrong because they skip Monday’s incremental (A) or both Monday and Tuesday (D). Option B is wrong because it restores out of order, which would not apply the data correctly.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Restore Sunday full, then Tuesday and Wednesday incrementals.
Why it's wrong here
Missing Monday’s incremental backup, which contains changes from Monday that are not captured in Tuesday or Wednesday’s backups.
- ✗
Restore Sunday full and Wednesday incremental only.
Why it's wrong here
Skipping Monday and Tuesday incrementals would miss changes made on those days, resulting in data loss or corruption.
- ✗
Restore Wednesday's incremental, then Sunday full.
Why it's wrong here
Restoring an incremental before its parent full backup will fail or result in inconsistent data, as incrementals depend on the full backup.
- ✓
Restore Sunday full, then Monday, Tuesday, and Wednesday incrementals.
Why this is correct
Correct sequence: full backup provides the base, and all subsequent incremental backups up to the last good point (Wednesday) must be applied in order.
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Last reviewed: Jul 26, 2026
This SK0-005 practice question is part of Courseiva's free CompTIA 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 SK0-005 exam.
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