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Hard Difficulty Questions

Practise Red Hat Certified System Administrator EX200 practice questions — original exam-style scenarios covering every exam domain, with detailed explanations, wrong-answer analysis, and common exam traps.

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EX200
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Scenario guide

How to approach hard difficulty questions

These are the questions most candidates get wrong. They require connecting multiple concepts, reading tricky output, or knowing edge-case behaviour that isn't on most study cards. Practising them trains you to operate under uncertainty — a necessary skill on the real exam.

Quick answer

Hard Difficulty Questions questions test whether you can apply the concept in context, not just recognise a definition.

How the topic appears in realistic exam-style scenarios.

Which detail in the question changes the correct answer.

How to eliminate plausible but wrong options.

How to connect the question back to the wider exam objective.

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Practice set

Practice scenarios

Question 1hardmultiple choice
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A system administrator needs to ensure that a specific process continues to run even if it crashes. The process is started by a systemd service unit. Which approach ensures the process is automatically restarted by systemd, with a delay of 30 seconds after each crash, and does not count restarts towards the failure limit?

Question 2hardmultiple choice
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Refer to the exhibit. A web server runs as user 'apache'. The directory /var/www/html is owned by root:root with permissions 755. The administrator wants to allow the user 'webuser' to upload files to /var/www/html via SFTP. Which step is necessary to achieve this?

Exhibit

Refer to the exhibit.

[root@server ~]# getent passwd webuser
webuser:x:1001:1001:Web User:/home/webuser:/sbin/nologin
[root@server ~]# ls -ld /var/www/html
 drwxr-xr-x. 2 root root 6 Jan 10 10:00 /var/www/html
[root@server ~]# ls -lZ /var/www/html
 drwxr-xr-x. root root unconfined_u:object_r:httpd_sys_content_t:s0 /var/www/html
[root@server ~]# id webuser
 uid=1001(webuser) gid=1001(webuser) groups=1001(webuser)
[root@server ~]# groups webuser
 webuser : webuser
Question 3hardmultiple choice
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A backup script uses tar to create an archive, but the administrator wants to exclude the /tmp directory from the backup. Which tar option should be added?

Question 4hardmultiple choice
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You are a system administrator for a company running Red Hat Enterprise Linux 8. A developer reports that a script which runs daily at 2 AM is failing. The script is located at /opt/scripts/backup.sh and is owned by root. The developer says the script runs fine when executed manually with './backup.sh' from the /opt/scripts directory. The script is scheduled via a root crontab entry: '0 2 * * * /opt/scripts/backup.sh'. However, the script fails because it cannot find a configuration file located at './config.ini'. What is the most likely cause and the correct solution?

Question 5hardmultiple choice
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A server has a software RAID 5 array /dev/md0. One of its disks fails. The administrator wants to replace it without rebooting. Which command should be used to mark the disk as failed?

Question 6hardmulti select
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Which THREE options are valid when creating a new partition with the 'parted' command? (Choose three.)

Question 7hardmultiple choice
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An administrator needs to ensure that a specific LVM logical volume is automatically mounted at boot with the 'noexec' option. Which configuration file and entry should be used?

Question 8hardmultiple choice
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A Red Hat Enterprise Linux 9 system has a logical volume 'lv_data' in the volume group 'vg_data' that needs to be resized from 10G to 15G. The underlying physical volumes have enough free space. Which sequence of commands correctly resizes the logical volume and the ext4 filesystem?

Question 9hardmulti select
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Which THREE factors determine whether a local user can SSH into a Red Hat Enterprise Linux 9 system? (Choose three.)

Question 10hardmultiple choice
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A server has a requirement that all users in the 'finance' group must have a password aging policy that forces password change every 90 days. Which approach best achieves this for existing users?

Question 11hardmulti select
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Which THREE of the following practices are recommended when creating simple shell scripts in a Red Hat Enterprise Linux environment to ensure reliability, security, and maintainability?

Question 12hardmulti select
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Which THREE actions are required to enable a non-root user to run containers using Podman on Red Hat Enterprise Linux 8?

Question 13hardmultiple choice
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A container running a database service needs to persist data across restarts. The administrator decides to use a named volume. Which command creates a named volume and mounts it correctly?

Question 14hardmultiple choice
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During a security audit, an administrator needs to list all TCP ports on which the system is listening, showing only the port numbers and the associated process names. Which command best achieves this?

Question 15hardmulti select
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Which THREE commands can be used to check the disk space usage of the /home partition?

Question 16hardmultiple choice
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An administrator suspects a disk failure in /dev/md0. Which command would be used to simulate a failure on /dev/sdb and then remove it from the array?

Network Topology
# mdadmdetail /dev/md0Refer to the exhibit.# cat /proc/mdstatPersonalities[raid1] [raid6] [raid5] [raid4]md0active raid5 sdb[0] sdc[1] sdd[2]md1active raid1 sde[0] sdf[1]/dev/md0:Version1.2Raid Level : raid5Raid Devices : 3Total Devices : 3PersistenceSuperblock is persistentStatecleanActive Devices : 3Working Devices : 3Failed Devices : 0Spare Devices : 0Layoutleft-symmetricChunk Size : 512KConsistency Policy : resyncNamelocalhost:0 (local to host localhost)UUID12345678:9abc:def0:1234Events10Number Major Minor RaidDevice State
Question 17hardmultiple choice
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A system has two 500GB disks in a RAID1 (mirror) using mdadm. One disk fails. After replacement, what is the correct procedure to restore redundancy?

Question 18hardmultiple choice
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A system administrator notices that a RHEL 9 server's /var/log/messages is filling up the /var partition. The administrator wants to ensure log rotation runs daily and keeps 4 weeks of logs. Which configuration file should be modified?

Question 19hardmultiple choice
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A RHEL 9 system has a second disk /dev/sdb that needs to be partitioned with a single partition using all space, formatted with XFS, and mounted persistently at /data. The administrator uses fdisk to create the partition /dev/sdb1. Which filesystem creation command should be used?

Question 20hardmulti select
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Which THREE are valid methods to configure network bonding in RHEL 9? (Choose exactly three.)

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