XK0-005 Question #63: Real Exam Question with Answer & Explanation

Question

During a system boot cycle, what program is executed after the BIOS completes its tasks?

Options

• AThe bootloader
• BThe inetd program
• CThe init program
• DThe kernel

Explanation

After the BIOS completes its initial hardware checks and initialization during a system boot cycle, it executes the bootloader program.

Common mistakes.

• B. The inetd program is a super-server daemon that starts much later in the boot process, after the operating system has initialized.
• C. The init program (or systemd) is the first user-space process started by the kernel, which itself is loaded by the bootloader.
• D. The kernel is loaded into memory and executed by the bootloader, not directly by the BIOS.

Concept tested. Linux boot process stages

Reference. https://www.ibm.com/docs/en/linux-on-systems?topic=concepts-boot-process-linux

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