LPIC-1 System Architecture Practice Question
A system administrator notices that after updating the kernel, the system fails to boot. The administrator wants to boot the previous kernel. Which GRUB menu option should be selected?
⚠ Common exam trap
Test-takers frequently confuse 'Recovery mode' with a kernel version selector, but Recovery mode is a single-kernel boot option for troubleshooting, not a menu for choosing among multiple kernels.
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
✓
Advanced options for Ubuntu
The 'Advanced options for Ubuntu' GRUB menu entry provides access to a submenu listing all installed kernel versions, allowing the administrator to select and boot the previous kernel. This is the standard method to revert to a known-good kernel after a failed update, as GRUB dynamically generates entries for each kernel found in /boot.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Memory test
Why it's wrong here
Memory test is a diagnostic tool, not for kernel selection.
- ✓
Advanced options for Ubuntu
Why this is correct
This option often lists previous kernel versions.
- ✗
Recovery mode
Why it's wrong here
Recovery mode is for troubleshooting, not kernel selection.
- ✗
Boot from first hard disk
Why it's wrong here
This boots the default entry, not necessarily an older kernel.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This LPIC-1 practice question is part of Courseiva's free LPI 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 LPIC-1 exam.