Drag a concept onto its matching description — or click a concept then click the description.
Bootloader
Initial RAM disk
Init system and service manager
Compressed Linux kernel
Tool to create initramfs
Match each Linux boot component to its role.
Drag a concept onto its matching description — or click a concept then click the description.
Bootloader
Initial RAM disk
Init system and service manager
Compressed Linux kernel
Tool to create initramfs
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
GRUB: Loads the kernel and initramfs into memory
The Linux boot process: BIOS/UEFI loads GRUB → GRUB loads kernel & initramfs → kernel initializes hardware, mounts initramfs, loads drivers, then mounts real root and starts systemd → systemd manages services.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
BIOS/UEFI: Initializes hardware and loads the kernel directly
Why it's wrong here
Incorrect — BIOS/UEFI loads the bootloader (e.g., GRUB), not the kernel directly.
GRUB: Loads the kernel and initramfs into memory
Why this is correct
Correct — the bootloader loads the kernel and initramfs.
Kernel: Mounts the root filesystem and starts the init process
Why this is correct
Correct — after loading, the kernel mounts the real root and starts systemd/init.
initramfs: Provides initial root filesystem to load kernel modules
Why this is correct
Correct — initramfs contains drivers needed to access the real root filesystem.
systemd: Manages hardware initialization during boot
Why it's wrong here
Incorrect — systemd starts services; hardware initialization is done by kernel and firmware.
Go deeper
Learn chapter
Linux Fundamentals and History
Key term
systemd
systemd is a system and service manager for Linux operating systems that initializes and manages processes, services, and system resources after the kernel boots.
Key term
Linux
Linux is an open-source operating system that manages computer hardware and software, widely used in servers, desktops, and embedded systems.
About these practice questions
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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.