SK0-005 troubleshooting Practice Question
Exhibit
Log Name: System Source: Disk Date: 3/15/2025 9:42:03 AM Event ID: 11 Task Category: None Level: Error Keywords: Classic User: N/A Computer: server01.contoso.com Description: The driver detected a controller error on \Device\Harddisk0\DR0.
Refer to the exhibit. A technician receives an alert from the monitoring system showing the error in the exhibit. The server is still online, but performance has degraded. Which of the following is the MOST likely cause and appropriate action?
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 hard disk drive is failing; back up data and replace the drive
Event ID 11 from Disk source indicates a controller error, often due to a failing disk or cable. The most likely cause is a failing hard drive. Backing up and replacing the drive is the appropriate action. Bad sectors might be the symptom but replacing is safer. Driver corruption is less likely; high I/O wouldn't cause a controller 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 SATA controller driver is corrupted; reinstall the driver
Why it's wrong here
A driver issue is less likely; reinstalling the driver would not fix a hardware problem.
- ✗
The disk has a bad sector; run CHKDSK and monitor
Why it's wrong here
While bad sectors may cause this, the error indicates a controller issue; the safest action is to replace the drive to prevent data loss.
- ✓
The hard disk drive is failing; back up data and replace the drive
Why this is correct
Controller errors on \Device\Harddisk0 typically mean the drive is failing. Backing up and replacing is the best course.
- ✗
The disk is experiencing high I/O; upgrade to SSD
Why it's wrong here
Upgrading to an SSD is unnecessary and doesn't address the immediate error; the drive is failing.
Go deeper
Related to this question
Learn chapter
Operating System Installation and Configuration
Key term
Alert
An alert is a notification that something unusual or potentially harmful has happened in a computer system or network.
Key term
Event
An event is any identifiable occurrence or action in a computer system, network, or application that can be logged, monitored, or analyzed for security or operational purposes.
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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
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.