010-160 Practice Exam 2 — 20 Questions

Question 1

Which THREE of the following are components of a standard Linux file path?

Accepted Answer

Root directory (/). Root, directories, and filenames are components of a path.

Answer

Terminal color

Answer

User password

Question 2

You are configuring a temporary directory where multiple users save files. To ensure that users can only delete their own files and not files created by others, what must you set?

Accepted Answer

chmod +t /tmp/shared. The sticky bit (represented by the 't' in the others permission field) restricts file deletion to the owner of the file, the directory owner, or root.

Answer

chown root /tmp/shared

Answer

chmod 777 /tmp/shared

Answer

umask 077

Question 3

You want to delete a user account named 'baduser' and also remove their home directory. Which command is correct?

Accepted Answer

userdel -r baduser. The '-r' flag with 'userdel' removes the user's home directory and mail spool.

Answer

deluser --remove baduser

Answer

userdel -f baduser

Answer

rm -rf /home/baduser && userdel baduser

Question 4

A startup company is deciding between a Community-driven distribution and an Enterprise distribution. Which scenario best justifies choosing an Enterprise distribution?

Accepted Answer

The company needs long-term stability and guaranteed vendor support for critical infrastructure.. Enterprise distributions offer vendor-backed support, security patches, and lifecycle guarantees crucial for business environments.

Answer

The development team wants zero cost for the distribution and documentation.

Answer

The company wants to actively contribute to the kernel source code directly.

Answer

The project requires the absolute latest software features released daily.

Question 5

You need to set an environment variable named 'MYVAR' to 'hello' so that it is available to child processes. Which command is correct?

Accepted Answer

export MYVAR=hello. The export command is required to make an environment variable available to child shells.

Answer

set MYVAR=hello

Answer

MYVAR=hello

Answer

env MYVAR=hello

Question 6

Which THREE of the following represent ways to manipulate command output in a pipe?

Accepted Answer

grep. grep, sed, and wc are standard stream processing tools.

Answer

cd

Answer

pwd

Question 7

Which TWO of the following commands help in identifying hardware on a system?

Accepted Answer

lspci. lspci and lsusb are used to list hardware devices connected to their respective buses.

Answer

pwd

Answer

whoami

Answer

date

Question 8

Which THREE of the following represent ways to refer to the home directory?

Accepted Answer

~. ~, $HOME, and the absolute path are all ways to reference home.

Answer

..

Answer

/

Question 9

Which TWO of these tools can modify file ownership or permissions?

Accepted Answer

chown. chmod changes permissions, chown changes ownership.

Answer

groupdel

Answer

useradd

Answer

usermod

Question 10

What is the purpose of the 'tee' command?

Accepted Answer

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

Answer

To format text columns.

Answer

To terminate a process.

Answer

To compress files.

Question 11

Which TWO commands are commonly used to check network connectivity to a host?

Accepted Answer

ping. ping and traceroute are the primary tools for diagnosing network connectivity issues.

Answer

arp

Answer

fdisk

Answer

ssh

Question 12

Which TWO of the following are valid ways to list directory contents?

Accepted Answer

ls. ls and dir are both valid commands for listing files.

Answer

pwd

Answer

cd

Answer

cat

Question 13

Which entity is responsible for the overall maintenance and development of the Linux kernel?

Accepted Answer

Linux Foundation. The Linux Foundation and Linus Torvalds coordinate the development of the Linux kernel.

Answer

Debian Project

Answer

Free Software Foundation

Answer

Canonical

Question 14

When evaluating Linux distributions, what distinguishes a 'rolling release' distribution from a 'fixed release' distribution?

Accepted Answer

Rolling releases provide continuous updates, while fixed releases use a versioned lifecycle.. Rolling releases receive updates continuously, providing the latest software, while fixed releases have scheduled versions with stable software packages.

Answer

Fixed releases are only available for server environments.

Answer

Rolling releases require a complete wipe and reinstall for every update.

Answer

Rolling releases are always more secure than fixed releases.

Question 15

What is the purpose of the '..' notation in a file path?

Accepted Answer

Parent directory. .. refers to the parent directory of the current directory.

Answer

Current directory

Answer

Root directory

Answer

Home directory

Question 16

You want to delete a file but you are worried about accidentally deleting the wrong one. Which flag should you use with 'rm' for confirmation?

Accepted Answer

rm -i. The -i flag makes the rm command interactive, asking for confirmation before removing each file.

Answer

rm -f

Answer

rm -v

Answer

rm -R

Question 17

What does the 'cat' command do when provided with multiple filenames as arguments?

Accepted Answer

It displays the contents of all files sequentially. The cat command reads the files in the order they are listed and concatenates them to the standard output.

Answer

It displays only the first file

Answer

It compares them

Answer

It merges them into one file

Question 18

Which TWO of the following commands help you move within the directory structure?

Accepted Answer

cd. cd and popd allow moving between directories.

Answer

cat

Answer

ls

Answer

mv

Question 19

A user reports they cannot execute a script named 'deploy.sh' even though the file permissions are set to 644. What must you change to enable execution for the owner?

Accepted Answer

chmod 744 deploy.sh. Permission 644 (rw-r--r--) lacks the execute bit. Changing the mode to 744 (rwxr--r--) adds execution rights for the owner.

Answer

chmod 655 deploy.sh

Answer

chown u+x deploy.sh

Answer

chmod +w deploy.sh

Question 20

What is the primary purpose of the /etc/shadow file?

Accepted Answer

It stores encrypted password hashes.. /etc/shadow stores user password hashes and password aging information, keeping them separate from /etc/passwd for security.

Answer

It stores all user login shells.

Answer

It stores system-wide cron jobs.

Answer

It stores user group membership lists.