SK0-005 security-disaster-recovery Practice Question
Exhibit
Backup started at 02:00:00 Connecting to backup repository \backupserver\data... Error: Access is denied. Backup failed.
Refer to the exhibit. A backup job to a network share failed. The administrator reviews the backup log. What is the most likely cause of the failure?
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 backup user account lacks appropriate permissions.
Option B is correct. The 'Access is denied' error clearly indicates a permissions problem—the backup user account does not have the necessary rights to write to the share. Option A would present a 'network path not found' or 'host unreachable' error. Option C would also indicate network unreachable, not access denied. Option D would typically produce a 'path too long' error, not access denied.
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 backup user account lacks appropriate permissions.
Why this is correct
The 'Access is denied' error is a classic indication of insufficient NTFS or share permissions on the target folder.
- ✗
The backup server is powered off.
Why it's wrong here
If the server were off, the error message would indicate that the network path could not be found or the host is unreachable, not an 'Access is denied' error.
- ✗
The network link is down.
Why it's wrong here
A down network link would result in a connectivity error like 'Network path not found', not an access denial.
- ✗
The backup file path exceeds the maximum length.
Why it's wrong here
A path too long would trigger a specific error about file name or path length limits, not an access denied message.
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Same concept, more angles
1 more way this is tested on SK0-005
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. Refer to the exhibit. A backup administrator scheduled a nightly backup to a network share. The backup job fails with the error shown in the log. What is the most likely cause?
easy- A.The backup destination disk is full
- B.The network share is offline
- ✓ C.The service account lacks write permissions to the share
- D.The backup software is not installed
Why C: Option C is correct because the “Access denied” message indicates a permissions issue, likely that the service account running the backup lacks write access to the share. The share being offline would likely show “network path not found,” a full disk would show “insufficient space,” and the software not installed would prevent the job from running at all.
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed July 2026 · checked against the official CompTIA exam blueprint
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