20+ practice questions focused on Configure local storage — one of the most tested topics on the Red Hat Certified System Administrator EX200 exam. Each question includes a detailed explanation so you learn why the right answer is correct.
Start Configure local storage PracticeAn administrator has created a RAID 1 array using mdadm with two 1TB disks. After a disk failure, the array is in a degraded state. Which command should be used to replace the failed disk with a new one?
Explanation: It uses the `--manage` subcommand to first mark the failed disk (`/dev/sdb`) as failed with `--fail`, then remove it with `--remove`, and finally add the replacement disk (`/dev/sdc`) with `--add`. This is the proper sequence in mdadm to replace a failed disk in a RAID 1 array while the array is degraded.
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?
Explanation: /etc/fstab is the standard configuration file for defining filesystem mount points and options that are applied automatically at boot. The entry specifies the logical volume device, mount point, filesystem type, and mount options including 'noexec' to prevent execution of binaries on that filesystem. The 'defaults' keyword ensures standard mount behavior is applied before the 'noexec' option overrides the exec permission.
Which TWO commands can be used to view the current size and usage of an LVM logical volume? (Choose two.)
Explanation: D is correct because `lvdisplay` shows detailed attributes of LVM logical volumes, including size (LV Size) and current usage (Current LE, Allocated LE). E is correct because `lvs` provides a concise, tabular view of logical volumes with columns for size (LSize) and usage (Data% for thin volumes, or by comparing Allocated PE vs Total PE). Both commands directly query LVM metadata from the kernel device mapper.
An administrator needs to create a new logical volume named 'lvdata' of size 5G in vgdata, format it with ext4, and mount it persistently at /mnt/data. The system currently has /dev/sdc as a physical volume in vgdata. Which command sequence accomplishes this?
Explanation: Both A and C accomplish the task. Option A uses mount -a after adding to fstab, while C mounts directly and then writes the fstab entry. Both are valid methods for creating, formatting, mounting, and persisting the logical volume. The question needs to be revised to either accept both answers or modify C to contain an error.
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?
Explanation: The `mdadm` command with the `-f` (fail) and `-r` (remove) flags in a single command line first marks /dev/sdb as faulty in the /dev/md0 array, then immediately removes it. This is the standard syntax for simulating a failure and removing the disk in one step, as tested in the EX200 exam.
+15 more Configure local storage questions available
Practice all Configure local storage questions1. Baseline your knowledge
Start with 10 questions to gauge your current understanding of Configure local storage. This tells you whether you need a concept refresher or just practice.
2. Review every explanation
For each question — right or wrong — read the full explanation. Understanding why an answer is correct is more valuable than knowing the answer itself.
3. Focus on exam traps
Configure local storage questions on the EX200 frequently use trap wording. Look for subtle differences in answers that test your precision, not just general knowledge.
4. Reach 80% consistently
Do repeated sessions until you score 80%+ three times in a row. Then move to mixed-mode practice to test cross-topic recall under realistic conditions.
The exact number varies per candidate. Configure local storage is tested as part of the Red Hat Certified System Administrator EX200 blueprint. Practicing with targeted Configure local storage questions ensures you can handle any format or difficulty that appears.
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Difficulty is subjective, but Configure local storage is a high-priority exam concept tested in multiple ways — direct recall, scenario analysis, and command-output interpretation. Consistent practice is the best way to build confidence.
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