SkillTestPro | CompTIA Linux+ Practice Test 3

CompTIA Linuux+ Practice Test 3

CompTIA Linux+ Practice Test

1 / 10

What does the chmod u+x script.sh command do?

Removes execute permission from the script

Changes the script’s owner to the current user

Makes script.sh readable by all users

Sets script.sh to run automatically at boot

Grants execute permission to the user for script.sh

2 / 10

Which file defines the order of hostname resolution on a Linux system?

/etc/hosts

/etc/nsswitch.conf

/etc/resolv.conf

/etc/hostname

/etc/sysconfig/network

3 / 10

What does the kill -9 1234 command do?

Sends a polite termination signal to PID 1234

Forces the process with PID 1234 to terminate immediately

Restarts the process with PID 1234

Suspends the process with PID 1234

Logs the termination of PID 1234

4 / 10

Which command finds all files larger than 10MB in the /home directory?

ls -lh /home > 10M

du -sh /home | grep 10M

find /home -size +10M

locate /home -size +10M

stat /home +10M

5 / 10

What is the default location for user-specific environment variables?

/etc/profile

/etc/environment

/var/env

~/.bashrc

/usr/local/bin

6 / 10

Which command checks the status of the Apache web server service?

systemctl status httpd

service apache restart

apachectl -k stop

ps aux | grep apache

netstat -tuln | grep 80

7 / 10

What does the sudo command do when prefixed to another command?

Runs the command in the background

Logs the command output to a file

Executes the command as the root user

Schedules the command to run later

Displays the command’s manual page

8 / 10

Which command compresses a directory named "backup" into a file called "backup.tar.gz"?

tar -xzf backup.tar.gz backup

gzip backup.tar.gz backup

zip backup.tar.gz backup

compress backup.tar.gz backup

tar -czf backup.tar.gz backup

9 / 10

What is the purpose of the /etc/resolv.conf file?

Configures network interfaces

Defines user permissions

Logs network traffic

Stores DNS server addresses

Sets the system hostname

10 / 10

Which command displays detailed information about all running processes?

top

ps aux

free -m

htop

pstree

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