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XK0-006 Practice Question: Which TWO of the following are common causes of a…
Which TWO of the following are common causes of a system failing to boot? (Select two.)
⚠ Common exam trap
CompTIA often tests the distinction between boot-time failures (kernel/GRUB issues) and post-boot configuration errors (time zone, IP address), so the trap here is that candidates mistakenly think a full hard drive or incorrect IP address can prevent booting, when in reality those only affect functionality after the OS is running.
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
✓
A corrupted kernel image
A corrupted kernel image prevents the bootloader from loading the kernel into memory, causing the boot process to fail at the stage where the kernel is executed. Without a valid kernel, the system cannot initialize hardware or start the init process, resulting in a kernel panic or a hang.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
A full hard drive
Why it's wrong here
Would not prevent boot, only cause errors after boot.
- ✗
An incorrect system time zone
Why it's wrong here
Does not affect boot.
- ✓
A corrupted kernel image
Why this is correct
Causes failure to boot.
- ✓
A misconfigured GRUB configuration file
Why this is correct
Causes boot failure.
- ✗
An incorrect IP address in /etc/network/interfaces
Why it's wrong here
Does not affect boot process.
Go deeper
Related to this question
Learn chapter
Process Management and System Monitoring
Key term
Kernel panic
A kernel panic is a critical system error that occurs when the operating system's core (the kernel) encounters an unrecoverable fault, causing the system to stop all operations and often display an error message or a screen of death.
Key term
Process
In IT service management, a process is a structured set of activities designed to accomplish a specific objective, such as managing incidents or changes, by transforming inputs into defined outputs.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This XK0-006 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 XK0-006 exam.