010-160 Practice Test 4 — 10 Questions

Question 1

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 2

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 3

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 4

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 5

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 6

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 7

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 8

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 9

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 10

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.