010-160 Linux System Architecture & Installation 5

Question 1

What does the acronym BIOS stand for?

Accepted Answer

Basic Input/Output System

Answer

BIOS stands for Basic Input/Output System — firmware that initializes hardware before handing control to the bootloader.

Question 2

Which command displays block devices (disks and partitions) in a tree format showing mount points?

Accepted Answer

lsblk

Answer

lsblk lists block devices in a tree structure, showing device names, sizes, types, and mount points.

Question 3

In the Linux Filesystem Hierarchy Standard (FHS), which directory holds essential system binaries needed for single-user/rescue mode?

Accepted Answer

/bin

Answer

/bin contains essential user-space binaries (like ls, cp, bash) that must be available even when /usr is not mounted.

Question 4

What kernel parameter would you add to the GRUB boot line to boot into single-user (rescue) mode?

Accepted Answer

single

Answer

Appending 'single' to the kernel command line tells init to start in single-user mode (runlevel 1).

Question 5

Which tool creates a new filesystem (formats a partition) in Linux?

Accepted Answer

mkfs

Answer

mkfs (make filesystem) creates a new filesystem on a partition or disk device, e.g., mkfs.ext4 /dev/sdb1.

(010-160) LPI Linux Essentials Practice Test