RHCSA Exam UPDATED ACTUAL Exam
Questions and CORRECT Answers
How do you Secure Shell into another system? - CORRECT ANSWER - ssh
<user>@<host>
How do you execute commands on a remote system via Secure Shell without actually opening a
new shell? - CORRECT ANSWER - ssh <user>@<host> <command>
How do you generate a public key and private key file for SSH authentication? - CORRECT
ANSWER - ssh-keygen
How do you export a public key for SSH authentication on a different machine? - CORRECT
ANSWER - ssh-copy-id <user>@<host>
How do you export a *specific* public key for SSH authentication on a different machine? -
CORRECT ANSWER - ssh-copy-id <user>@<host> -i <key file path>
If an SSH authentication key has a passphrase, how do you cache that passphrase on the local
machine for passwordless authentication? - CORRECT ANSWER - 1. eval $(ssh-agent)
2. ssh-add <key file path>
What is Cockpit? - CORRECT ANSWER - A server Management Tool
How do you check if a service is running? - CORRECT ANSWER - systemctl status
<service>
How do you start a service? - CORRECT ANSWER - systemctl start <service>
,How do you enable a service on startup? - CORRECT ANSWER - systemctl enable
<service>
Which directory contains persistent, system-specific configuration data? - CORRECT
ANSWER - /etc
Which directory is the top of the system's file hierarchy? - CORRECT ANSWER -/
Which directory contains user home directories? - CORRECT ANSWER - /home
Which directory contains temporary files? - CORRECT ANSWER - /tmp
Which directory contains dynamic data, such as for databases and websites? - CORRECT
ANSWER - /var
Which directory is the administrative superuser's home directory? - CORRECT
ANSWER - /root
Which directory contains regular commands and utilities? - CORRECT ANSWER -
/usr/bin
Which directory contains non-persistent process runtime data? - CORRECT ANSWER -
/run
Which directory contains installed software programs and libraries? - CORRECT
ANSWER - /usr
How do you create a directory? - CORRECT ANSWER - mkdir <directory name>
, How do you copy a file? - CORRECT ANSWER - cp <old file> <new file>
How do you copy a directory and its contents? - CORRECT ANSWER - cp -r <old
directory> <new directory>
How do you move (or rename) a file or directory? - CORRECT ANSWER - mv <old file>
<new file>
How do you remove a file? - CORRECT ANSWER - rm <file>
How do you remove a directory containing files? - CORRECT ANSWER - rm -r
<directory>
How do you remove an empty directory? - CORRECT ANSWER - rmdir <directory>
How do you create parent directories while creating a new directory? - CORRECT
ANSWER - mkdir -p <new parent directories>/<new directory>
How do you list the contents of a directory? - CORRECT ANSWER - ls
How do you list all contents of a directory including hidden files? - CORRECT
ANSWER - ls -a
How do you list the contents of a directory and subdirectories? - CORRECT ANSWER - ls
-R
How do you list the contents of a directory with more detailed information? - CORRECT
ANSWER - ls -l
Questions and CORRECT Answers
How do you Secure Shell into another system? - CORRECT ANSWER - ssh
<user>@<host>
How do you execute commands on a remote system via Secure Shell without actually opening a
new shell? - CORRECT ANSWER - ssh <user>@<host> <command>
How do you generate a public key and private key file for SSH authentication? - CORRECT
ANSWER - ssh-keygen
How do you export a public key for SSH authentication on a different machine? - CORRECT
ANSWER - ssh-copy-id <user>@<host>
How do you export a *specific* public key for SSH authentication on a different machine? -
CORRECT ANSWER - ssh-copy-id <user>@<host> -i <key file path>
If an SSH authentication key has a passphrase, how do you cache that passphrase on the local
machine for passwordless authentication? - CORRECT ANSWER - 1. eval $(ssh-agent)
2. ssh-add <key file path>
What is Cockpit? - CORRECT ANSWER - A server Management Tool
How do you check if a service is running? - CORRECT ANSWER - systemctl status
<service>
How do you start a service? - CORRECT ANSWER - systemctl start <service>
,How do you enable a service on startup? - CORRECT ANSWER - systemctl enable
<service>
Which directory contains persistent, system-specific configuration data? - CORRECT
ANSWER - /etc
Which directory is the top of the system's file hierarchy? - CORRECT ANSWER -/
Which directory contains user home directories? - CORRECT ANSWER - /home
Which directory contains temporary files? - CORRECT ANSWER - /tmp
Which directory contains dynamic data, such as for databases and websites? - CORRECT
ANSWER - /var
Which directory is the administrative superuser's home directory? - CORRECT
ANSWER - /root
Which directory contains regular commands and utilities? - CORRECT ANSWER -
/usr/bin
Which directory contains non-persistent process runtime data? - CORRECT ANSWER -
/run
Which directory contains installed software programs and libraries? - CORRECT
ANSWER - /usr
How do you create a directory? - CORRECT ANSWER - mkdir <directory name>
, How do you copy a file? - CORRECT ANSWER - cp <old file> <new file>
How do you copy a directory and its contents? - CORRECT ANSWER - cp -r <old
directory> <new directory>
How do you move (or rename) a file or directory? - CORRECT ANSWER - mv <old file>
<new file>
How do you remove a file? - CORRECT ANSWER - rm <file>
How do you remove a directory containing files? - CORRECT ANSWER - rm -r
<directory>
How do you remove an empty directory? - CORRECT ANSWER - rmdir <directory>
How do you create parent directories while creating a new directory? - CORRECT
ANSWER - mkdir -p <new parent directories>/<new directory>
How do you list the contents of a directory? - CORRECT ANSWER - ls
How do you list all contents of a directory including hidden files? - CORRECT
ANSWER - ls -a
How do you list the contents of a directory and subdirectories? - CORRECT ANSWER - ls
-R
How do you list the contents of a directory with more detailed information? - CORRECT
ANSWER - ls -l