RHCSA EX200 Flashcards
7 cards from real RHCSA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 RHCSA EX200 flashcards as text
Which command resets a forgotten root password in RHEL 8 by interrupting the boot process and appending 'rd.break' to the kernel line?
Answer: Editing the GRUB entry at boot
Appending 'rd.break' to the kernel line in the GRUB editor drops you into an early shell before root mounts, allowing a password reset.
What is the correct SELinux file context type for content served by Apache (httpd)?
Answer: httpd_sys_content_t
Files intended to be served by Apache must have the 'httpd_sys_content_t' SELinux type.
Which firewall-cmd option makes a rule survive a system reboot?
Answer: --permanent
The '--permanent' flag writes the rule to the persistent firewalld configuration that survives reboots.
Which command sets the default ACL on a directory so that new files inherit specific permissions?
Answer: setfacl -m d:u:alice:rw /dir
The 'd:' prefix in setfacl creates a default ACL that new files and subdirectories inherit.
A logical volume needs to grow from 2G to 5G. Which sequence of commands is correct?
Answer: lvextend -L 5G /dev/vg0/lv0, then resize2fs /dev/vg0/lv0
lvextend resizes the logical volume, then resize2fs (or xfs_growfs for XFS) expands the filesystem to fill it.
How do you configure a system to use 192.168.1.1 as the DNS server persistently using NetworkManager?
Answer: nmcli con mod ipv4.dns 192.168.1.1, then restart connection
nmcli con mod sets the DNS in NetworkManager's connection profile, which persists and rebuilds /etc/resolv.conf on reconnect.
Which command enables a systemd service to start automatically at boot AND starts it immediately?
Answer: systemctl enable --now svc
'systemctl enable --now' creates the symlink for boot persistence and starts the service in one command.