RHCSA-Final-EXAM

What is the primary difference between firewall management in RHEL 6 and RHEL 7?

• RHEL 6 uses firewalld, while RHEL 7 uses iptables

• RHEL 6 uses iptables, which is static, while RHEL 7 uses firewalld, which is dynamic and flexible

• RHEL 7 requires a firewall service restart to apply changes, while RHEL 6 does not

• There is no difference; both use the same tools for firewall management

Which command would you use to allow incoming HTTP traffic through the firewalld service on a RHEL 7 system?

• sudo firewall-cmd --zone=home --add-service=ssh --permanent

• sudo firewall-cmd --zone=public --add-service=http --permanent

• sudo firewall-cmd --zone=internal --add-port=80/tcp --permanent

• sudo firewall-cmd --reload

What is the purpose of the Sticky Bit when applied to a directory?

• It allows only the owner to execute files in the directory

• It allows only the file owner to delete or rename files within the directory

• It sets the directory to be immutable

• It allows all users to have read and write access to the directory.

Where would you typically find system-wide configuration files and shell scripts used for system boot and initialization?

• /var

• /etc

• /tmp

• /srv

Which directory contains essential binary executables required for system booting and basic functionality?

• /lib

• /usr

• /bin

• /opt

How do you extract the first 10 characters of each line in a file using the cut command?

• cut -f 1-10 file.txt

• cut -c 1-10 file.txt

• cut -d 1-10 file.txt

• cut -n 1-10 file.txt

Which awk command prints the second and fourth columns of a file where columns are separated by spaces?

• awk '{print $1, $3}' file.txt

• awk '{print $2, $4}' file.txt

• awk '{print $1, $2, $4}' file.txt

• awk '{print $4, $2}' file.txt

Which option is used with the grep command to perform a case-insensitive search?

• -c

• -v

• -i

• -n

Which file define selinux type ?

• /etc/selinux/config

• /etc/sys/selinux

• /etc/selinux

• /selinux/etc/

Which command set permissive mode?

• setpermissive 0

• setenforce 0

• setpermission 1

• setenforce 1