RHCSA Practice Test Questions
and Answers All Correct
What command can be used to see disk usage - Answer-du -sh <path>
Ex: du -sh /etc
What command can be used to see free disk space - Answer-df -h <path>
Ex: df -h /etc
What command do you use to create a bzip2 tar file - Answer-tar cfj etc.tar.bz2 /etc
What tool should be used instead of scp to transfer files between systems that is more
secure - Answer-sftp
Ex: sftp pi@192.168.2.5 /home/pi
What is a more robust copy command that can be used to keep directories in sync
locally and remotely - Answer-rsync
What two command can you use to download an rpm from a repo - Answer-
yumdownloader <package name>
dnf download <package name>
Ex: yumdownloader nmap
Ex: dnf download nmap
What does RPM stand for - Answer-Red Hat package management
What command utility can manage what DNS servers are being used - Answer-nmcli
What two commands can you use to resolve a DNS record - Answer-dig <hostname>
getent hosts <hostname>
If you want to look up what rpm a file came from on a system you need to use what
command and option - Answer-rpm -qf /usr/bin/bzip2
bzip2-1.0.8-8.el9.x86_64
-q = quiet
-f = file
,What package does the bzip2 command come from - Answer-bzip2
What command do you use to list the available rpms that can be installed using wildcard
searching - Answer-dnf list 'keyword*'
Ex: dnf list 'bzip*'
If you want to search for a keyword in a package name you can use what command -
Answer-dnf search 'bzip'
What command and option lets you see the history of previous dnf command that were
ran - Answer-dnf history
If you wanted to perform the opposite action of a dnf command in its history you can use
what command and what option - Answer-dnf history undo <#>
Ex: dnf history undo 10
What command do you use to disable a repo - Answer-dnf config-manager --disable
<repo name>
Ex: dnf config-manager --disable rht-updates
What systemd unit does the Web Console run under - Answer-cockpit.socket
What command can be used to gather info that can then be uploaded to Red Hat
suppot portal to get support - Answer-sos
What tool does Red Hat offer to assess the environment proactively and identify threats.
What command and option do you use to enable it. - Answer-Insights client
insights-client --register
What are the two main directories where binary files are placed and what is the
difference - Answer-/usr/local/bin
/usr/local/sbin - s in sbin means system administration
What is the if statement structure in bash - Answer-if [ check condition = value ]
then
else
fi
How do you reference a variable in bash inside of double quotes - Answer-
"${var_name}"
, How do you resolve a command in bash that is inside of double quotes - Answer-"$(
command )"
What is the structure for a for loop in bash - Answer-for i in array
do command $i
done
What manual has details about the comparison operators of bash - Answer-man test
What command and option will list the crontab setup for a user - Answer-crontab -l
What command and option will let you edit a user's crontab file - Answer-crontab -e
What many fields does crontab has under a user profile and the root one located at
/etc/crontab? What is the different field? - Answer-user profile - 6
root - 7
username
What directory does user crontabs get placed in? - Answer-/var/spool/cron
If not using a set time folder for crontab's for the root user you should put the crontab
files in what directory - Answer-/etc/cron.d/
What manual has details about temp file cleanup scripts - Answer-man tmpfiles.d
What service is used for cleaning up temp files - Answer-systemd-tmpfiles-setup.service
What is the priority range of nice for a process. Which is the highest priority and which is
the lowest - Answer--20 to 19
-20 = Highest
19 = Lowest
What two commands can be used to manage password properties - Answer-passwd
chage
What chmod option need to be used to add delete only files they own - Answer-o+t
What command is use to create symlinks between files - Answer-ln
Command to create tar files - Answer-tar
What command is used to create a log entry - Answer-logger
What command is used to modify the timezone - Answer-timedatectl
and Answers All Correct
What command can be used to see disk usage - Answer-du -sh <path>
Ex: du -sh /etc
What command can be used to see free disk space - Answer-df -h <path>
Ex: df -h /etc
What command do you use to create a bzip2 tar file - Answer-tar cfj etc.tar.bz2 /etc
What tool should be used instead of scp to transfer files between systems that is more
secure - Answer-sftp
Ex: sftp pi@192.168.2.5 /home/pi
What is a more robust copy command that can be used to keep directories in sync
locally and remotely - Answer-rsync
What two command can you use to download an rpm from a repo - Answer-
yumdownloader <package name>
dnf download <package name>
Ex: yumdownloader nmap
Ex: dnf download nmap
What does RPM stand for - Answer-Red Hat package management
What command utility can manage what DNS servers are being used - Answer-nmcli
What two commands can you use to resolve a DNS record - Answer-dig <hostname>
getent hosts <hostname>
If you want to look up what rpm a file came from on a system you need to use what
command and option - Answer-rpm -qf /usr/bin/bzip2
bzip2-1.0.8-8.el9.x86_64
-q = quiet
-f = file
,What package does the bzip2 command come from - Answer-bzip2
What command do you use to list the available rpms that can be installed using wildcard
searching - Answer-dnf list 'keyword*'
Ex: dnf list 'bzip*'
If you want to search for a keyword in a package name you can use what command -
Answer-dnf search 'bzip'
What command and option lets you see the history of previous dnf command that were
ran - Answer-dnf history
If you wanted to perform the opposite action of a dnf command in its history you can use
what command and what option - Answer-dnf history undo <#>
Ex: dnf history undo 10
What command do you use to disable a repo - Answer-dnf config-manager --disable
<repo name>
Ex: dnf config-manager --disable rht-updates
What systemd unit does the Web Console run under - Answer-cockpit.socket
What command can be used to gather info that can then be uploaded to Red Hat
suppot portal to get support - Answer-sos
What tool does Red Hat offer to assess the environment proactively and identify threats.
What command and option do you use to enable it. - Answer-Insights client
insights-client --register
What are the two main directories where binary files are placed and what is the
difference - Answer-/usr/local/bin
/usr/local/sbin - s in sbin means system administration
What is the if statement structure in bash - Answer-if [ check condition = value ]
then
else
fi
How do you reference a variable in bash inside of double quotes - Answer-
"${var_name}"
, How do you resolve a command in bash that is inside of double quotes - Answer-"$(
command )"
What is the structure for a for loop in bash - Answer-for i in array
do command $i
done
What manual has details about the comparison operators of bash - Answer-man test
What command and option will list the crontab setup for a user - Answer-crontab -l
What command and option will let you edit a user's crontab file - Answer-crontab -e
What many fields does crontab has under a user profile and the root one located at
/etc/crontab? What is the different field? - Answer-user profile - 6
root - 7
username
What directory does user crontabs get placed in? - Answer-/var/spool/cron
If not using a set time folder for crontab's for the root user you should put the crontab
files in what directory - Answer-/etc/cron.d/
What manual has details about temp file cleanup scripts - Answer-man tmpfiles.d
What service is used for cleaning up temp files - Answer-systemd-tmpfiles-setup.service
What is the priority range of nice for a process. Which is the highest priority and which is
the lowest - Answer--20 to 19
-20 = Highest
19 = Lowest
What two commands can be used to manage password properties - Answer-passwd
chage
What chmod option need to be used to add delete only files they own - Answer-o+t
What command is use to create symlinks between files - Answer-ln
Command to create tar files - Answer-tar
What command is used to create a log entry - Answer-logger
What command is used to modify the timezone - Answer-timedatectl
