easyMultiple ChoiceObjective-mapped
CV0-004 Practice Question: A company uses a cloud-based backup solution for…
A company uses a cloud-based backup solution for its virtual machines. The backup policy specifies daily backups with a retention of 30 days. The backup administrator notices that backups are failing with an error indicating insufficient storage space in the backup repository. Which of the following is the most likely reason for this issue?
⚠ Common exam trap
Test-takers frequently confuse 'insufficient storage' with backup window or frequency issues, but the error is explicitly capacity-related, making retention period length the root cause when storage is fixed.
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
✓
The retention period is too long for the available storage.
The error indicates insufficient storage space in the backup repository. With a daily backup policy and a 30-day retention period, the repository must accommodate at least 30 full backups (or the equivalent incremental/differential chain). If the repository's capacity is less than the total size of 30 backups, the retention period exceeds the available storage, causing failures. This is the most direct cause of the error.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
The retention period is too long for the available storage.
Why this is correct
Longer retention means more backups accumulate, consuming storage.
- ✗
The backup frequency is too low.
Why it's wrong here
Lower frequency means fewer backups, so less storage used.
- ✗
Compression is not enabled on the backup.
Why it's wrong here
Without compression, backups are larger, but this would be a constant factor, not a sudden failure.
- ✗
The backup window is too short.
Why it's wrong here
Backup window affects timing, not storage space.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CV0-004 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 CV0-004 exam.