SkillTestPro | CompTIA Linux+ Practice Test 2

CompTIA Linux+ Practice Test 2

CompTIA Linux+ Practice Test

1 / 10

What does the netstat -tuln command display?

Active network connections

Routing table information

Network interface statistics

Listening TCP and UDP ports

Open files on the system

2 / 10

Which command changes the ownership of a file named "data.txt" to the user "jane"?

chown jane data.txt

chgrp jane data.txt

chmod jane data.txt

usermod -o jane data.txt

passwd jane data.txt

3 / 10

What does the whoami command output?

The current user’s ID number

The current user’s username

All logged-in users

The system’s hostname

The last login time

4 / 10

Which utility checks the integrity of a filesystem on a Linux system?

mkfs

fdisk

fsck

parted

mount

5 / 10

What is the purpose of the crontab -e command?

Lists all scheduled tasks

Removes all cron jobs

Edits the current user’s cron jobs

Displays the cron daemon status

Restarts the cron service

6 / 10

Which command displays the last 10 lines of the /var/log/syslog file?

head -n 10 /var/log/syslog

cat /var/log/syslog | last

less /var/log/syslog

tail -n 10 /var/log/syslog

more /var/log/syslog

7 / 10

What does the tar -xzf archive.tar.gz command do?

Creates a new compressed archive

Lists the contents of an archive

Deletes an archive file

Compresses a directory into an archive

Extracts files from a compressed archive

8 / 10

Which file contains the default shell and home directory settings for a user?

/etc/hosts

/etc/passwd

/etc/shadow

/etc/group

/etc/sudoers

9 / 10

What is the purpose of the systemctl restart sshd command?

Starts the SSH service for the first time

Stops the SSH service permanently

Restarts the SSH service

Checks the status of the SSH service

Disables SSH access

10 / 10

Which command shows the disk space usage of all mounted filesystems?

lsblk

du -sh

fdisk -l

parted

df -h

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