010-160 Practice Questions 1 — 50 Questions

Question 1

You need to determine the UUID of a partition to add it to /etc/fstab. Which command should you use?

Accepted Answer

blkid. The blkid command displays attributes of block devices, including UUIDs.

Answer

ls -l

Answer

find

Answer

mount

Question 2

Which command is used to view the contents of a file one screen at a time?

Accepted Answer

less. The 'less' command is a terminal pager that allows forward and backward navigation through text files.

Answer

head

Answer

more

Answer

cat

Question 3

You are copying a directory named 'source' to 'destination' and want to ensure all subdirectories and file attributes are preserved. Which flag is essential?

Accepted Answer

cp -a. The -a (archive) flag is the most efficient way to preserve attributes, permissions, and handle recursive copies.

Answer

cp -p

Answer

cp -v

Answer

cp -r

Question 4

You are logged into a terminal and want to identify your current working directory. Which command should you execute?

Accepted Answer

pwd. The pwd command displays the absolute path of the directory you are currently in.

Answer

whoami

Answer

ls

Answer

cd

Question 5

Which command would you use to list files in long format, sorted by modification time, with the newest files appearing first?

Accepted Answer

ls -ltr. The -l (long), -t (time), and -r (reverse) flags together achieve this.

Answer

ls -lt

Answer

ls -lr

Answer

ls -Rlt

Question 6

When using 'man', what does the section number '5' refer to?

Accepted Answer

File formats. Section 5 of the manual pages is reserved for file formats and conventions.

Answer

User commands

Answer

System calls

Answer

Kernel routines

Question 7

Which TWO of the following flags can be used with 'ls' to modify its output?

Accepted Answer

-a. -l and -a are very common flags for ls.

Answer

-o

Answer

-z

Answer

-x

Question 8

Which command provides a brief summary of what a specific command does without opening the entire man page?

Accepted Answer

whatis. The whatis command provides a one-line description for a command name.

Answer

info

Answer

man -d

Answer

apropos

Question 9

You are trying to find the location of a binary file, specifically the 'ls' command. Which command is best suited for this?

Accepted Answer

which. The 'which' command finds the location of an executable in the user's PATH.

Answer

find

Answer

locate

Answer

whereis

Question 10

You are using the 'less' command to view a large log file. Which key do you press to search forward for a specific string?

Accepted Answer

/. The forward slash (/) character is the standard key to initiate a forward search in less.

Answer

?

Answer

q

Answer

n

Question 11

Which of the following commands is used to create an empty file or update the timestamp of an existing file?

Accepted Answer

touch. The touch command creates an empty file if it does not exist or updates access/modification times if it does.

Answer

cp

Answer

mkdir

Answer

mv

Question 12

What is the purpose of the 'tee' command?

Accepted Answer

To split output to file and screen. The tee command reads from standard input and writes to both standard output and one or more files.

Answer

To join files

Answer

To format output

Answer

To filter output

Question 13

Which TWO statements regarding the 'umask' command are correct?

Accepted Answer

It sets default permissions for new files.. Umask defines default permissions for new files and directories, and it acts as a mask by subtracting bits from the maximum possible permission.

Answer

It can only be set by root.

Answer

It is stored in /etc/shadow.

Answer

It applies to existing files immediately.

Question 14

Which TWO of the following are common types of Linux career roles?

Accepted Answer

Site Reliability Engineer (SRE). Linux careers often focus on systems administration, software development, or site reliability engineering (SRE).

Answer

Desktop Operating System Developer

Answer

Proprietary Software Sales Manager

Answer

Database Hardware Architect

Question 15

To see the contents of a directory, which command is standard?

Accepted Answer

ls. The ls command is the standard tool for listing directory contents.

Answer

dir

Answer

list

Answer

cat

Question 16

A developer is looking for a career that involves 'DevOps' in a Linux environment. Which skill set is most relevant for this role?

Accepted Answer

Automating infrastructure deployment and managing CI/CD pipelines.. DevOps roles require a blend of development (scripting/coding) and operations (CI/CD, monitoring, system administration).

Answer

Writing only proprietary firmware for microcontrollers.

Answer

Selling commercial hardware to enterprise customers.

Answer

Creating graphic design assets for software GUIs.

Question 17

Which THREE of the following are typical elements included in a standard Linux distribution package?

Accepted Answer

Package Manager. A distribution consists of the kernel, a package manager, and a set of libraries and base applications.

Answer

Proprietary BIOS firmware

Answer

Hardware warranty certificate

Question 18

A developer needs to know the kernel version currently running on the server. Which command provides this information?

Accepted Answer

uname -r. The uname -r command displays the release version of the Linux kernel.

Answer

ver

Answer

hostnamectl

Answer

cat /etc/issue

Question 19

You want to delete a directory named 'temp_backup' that contains several files. Which command will successfully remove it and its contents?

Accepted Answer

rm -r temp_backup. The -r (recursive) flag is required for rm to delete directories and their contents.

Answer

rm temp_backup

Answer

rmdir temp_backup

Answer

rm -f temp_backup

Question 20

You are currently in '/home/user/docs' and need to move to '/etc'. Which command is correct?

Accepted Answer

cd /etc. cd /etc uses an absolute path to jump directly to the target directory.

Answer

cd ~/etc

Answer

cd ../../etc

Answer

cd etc