010-160 Practice Test 5 — 25 Questions

Question 1

What is the purpose of the /proc directory in Linux?

Accepted Answer

To provide information about kernel and processes.. The /proc directory is a virtual filesystem that provides an interface to kernel data structures and process information.

Answer

To store configuration files for boot.

Answer

To store user passwords.

Answer

To store temporary system files.

Question 2

You want to search for a file named 'notes.txt' starting from the root directory. Which command is most efficient?

Accepted Answer

find / -name notes.txt. The 'find' command searches the filesystem tree.

Answer

grep -r notes.txt /

Answer

search notes.txt /

Answer

ls -R / | grep notes.txt

Question 3

Which THREE of the following are common shell built-in command types?

Accepted Answer

echo. cd, echo, and export are standard shell built-ins.

Answer

grep

Answer

tar

Question 4

Which TWO of the following are popular package management tools used in Linux?

Accepted Answer

APT. APT and DNF are two of the most widely used package managers in the Linux ecosystem.

Answer

DiskManager

Answer

KernelUpdater

Answer

ServiceManager

Question 5

You need to display the contents of a file named 'config.txt' directly to your terminal screen. Which command should you use?

Accepted Answer

cat config.txt. The cat command is the standard utility for concatenating and displaying file contents to standard output.

Answer

head config.txt

Answer

echo config.txt

Answer

grep config.txt

Question 6

You need to find files modified within the last 7 days. Which find flag is correct?

Accepted Answer

find . -mtime -7. -mtime -7 searches for files modified less than 7 days ago.

Answer

find . -ctime 7

Answer

find . -mtime +7

Answer

find . -atime 7

Question 7

Which THREE of the following are components of a standard network configuration?

Accepted Answer

Subnet mask. IP address, subnet mask, and default gateway are essential for basic network communication.

Answer

Shell prompt

Answer

Kernel version

Question 8

You are configuring a static IP address on a Debian-based server. Which file must be modified to make this change persistent across reboots?

Accepted Answer

/etc/network/interfaces. On Debian/Ubuntu systems, /etc/network/interfaces is the file used to define persistent network interface configurations.

Answer

/etc/hosts

Answer

/etc/sysconfig/network-scripts/ifcfg-eth0

Answer

/etc/resolve.conf

Question 9

Which character is used to append output to an existing file without deleting its original content?

Accepted Answer

>>. The '>>' operator is the append redirection operator.

Answer

<

Answer

|

Answer

>

Question 10

Which command removes a directory and all its contents recursively?

Accepted Answer

rm -rf dir. rm -rf is the standard command for forced recursive deletion.

Answer

rm -d dir

Answer

del -r dir

Answer

rmdir dir

Question 11

Which TWO of the following help manage compressed archive contents?

Accepted Answer

gzip. tar and gzip/gunzip are used for archive and compression management.

Answer

find

Answer

cat

Answer

grep

Question 12

A user reports that they cannot save files to their home directory. You find that the disk is not full. What is the most likely cause related to hardware-based limitations?

Accepted Answer

The partition has run out of inodes.. If the disk is not full, the partition might have reached its inode limit, preventing the creation of new files.

Answer

The RAM is corrupted.

Answer

The CPU temperature is too high.

Answer

The BIOS settings are incorrect.

Question 13

You need to ensure that a server's time is synchronized with an external time source to prevent authentication errors. Which daemon is responsible for this?

Accepted Answer

chronyd. The chronyd or ntpd service is typically responsible for network time synchronization.

Answer

cron

Answer

sshd

Answer

rsyslogd

Question 14

You wish to send the output of the 'ls -l' command directly into a file named 'dirlist.txt', overwriting any existing content. Which operator should you use?

Accepted Answer

ls -l > dirlist.txt. The '>' operator redirects standard output to a file and overwrites it.

Answer

ls -l | dirlist.txt

Answer

ls -l >> dirlist.txt

Answer

ls -l < dirlist.txt

Question 15

Which THREE of the following are environment variables commonly seen in a Linux shell?

Accepted Answer

USER. PATH, USER, and HOME are core environment variables.

Answer

ROOT

Answer

FILE

Question 16

Which THREE of the following are valid ways to get help on a command?

Accepted Answer

info command. man, info, and --help are standard help methods.

Answer

help command

Answer

search command

Question 17

Which TWO of the following directories are usually located at the root of a Linux filesystem?

Accepted Answer

/etc. /bin and /etc are standard directories at the root level of a Linux system.

Answer

/users

Answer

/windows

Answer

/programs

Question 18

You need to change the environment variable PATH to include the directory '/opt/bin'. Which command is standard?

Accepted Answer

export PATH=$PATH:/opt/bin. Standard syntax involves referencing the current PATH and adding the new path.

Answer

set PATH=$PATH:/opt/bin

Answer

env PATH=$PATH:/opt/bin

Answer

PATH=$PATH:/opt/bin

Question 19

Which TWO of the following regex patterns are valid for grep to match the beginning or end of a line?

Accepted Answer

$. ^ matches the start, $ matches the end.

Answer

\

Answer

.

Answer

*

Question 20

You have modified a configuration file for a network service. Which command is best practice to test the configuration syntax before restarting the service?

Accepted Answer

apache2ctl -t. Many services (like Apache or Nginx) provide a config test option (e.g., -t) to prevent service downtime due to syntax errors.

Answer

systemctl reload

Answer

systemctl status

Answer

service name test