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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.

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  1. A cron job must run as user 'deploy' every weekday at 7:30 AM. Which crontab entry is correct?

    Answer: 30 7 * * 1-5 deploy /script.sh

    Crontab fields are minute hour dom month dow; '30 7 * * 1-5' means 7:30 AM Monday through Friday.

  2. Which NFS mount option ensures that if the NFS server is unreachable, the mount operation does not hang the system indefinitely?

    Answer: soft

    The 'soft' option causes NFS operations to return an error after a timeout instead of retrying indefinitely.

  3. You want to find all SUID files on the system. Which find command is correct?

    Answer: find / -perm -4000 -type f

    The '-perm -4000' with the leading dash means the SUID bit must be set, regardless of other permission bits.

  4. Which file controls the sudo privileges for users and groups on a RHEL system, and should be edited with 'visudo'?

    Answer: /etc/sudoers

    /etc/sudoers defines who can run what commands as which users; visudo validates syntax before saving.

  5. To mount an XFS filesystem at /data persistently, which /etc/fstab entry is correct?

    Answer: /dev/sdb1 /data xfs defaults 0 0

    For a non-root XFS partition, the last two fields should be 0 0 (no dump, no fsck) since xfs_repair is used manually.

  6. Which command shows the current SELinux mode and displays whether it is enforcing, permissive, or disabled?

    Answer: sestatus

    'sestatus' displays the current and configured SELinux mode along with the policy type.

  7. How do you list all currently active firewalld zones and their associated interfaces?

    Answer: firewall-cmd --get-active-zones

    '--get-active-zones' shows only zones that have interfaces or sources assigned, along with those assignments.