Quick Answer
The correct fstab entry is 192.168.1.10:/export/data /mnt/data nfs4 defaults 0 0. This works because the NFS mount fstab entry for RHEL 9 must specify the remote server and export path in the server:/export format, followed by the local mount point, the filesystem type nfs4 for NFSv4, mount options like defaults, and then the dump and fsck fields set to 0 to disable them. On the Red Hat Certified System Administrator EX200 exam, this tests your understanding of persistent network filesystem mounts, a common scenario where candidates confuse the filesystem type (nfs vs nfs4) or incorrectly add a filesystem check order. A frequent trap is using nfs instead of nfs4 for modern NFSv4 mounts, or omitting the colon between the server and path. To remember the order, think of the mnemonic "Server, Spot, System, Switches, Skip, Skip" for server, mount point, filesystem type, options, dump, and fsck.
This EX200 practice question tests your understanding of deploy, configure, and maintain systems. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A system administrator is tasked with configuring a RHEL 9 system to automatically mount an NFS share from 192.168.1.10:/export/data on /mnt/data at boot. Which entry in /etc/fstab is correct?
192.168.1.10 /export/data /mnt/data nfs4 defaults 0 0
Why wrong: Incorrect syntax; path is part of the server field.
/mnt/data 192.168.1.10:/export/data nfs4 defaults 0 0
Why wrong: Mount point and server are reversed.
192.168.1.10:/export/data /mnt/data nfs4 defaults 0 0
Correct syntax for NFSv4 mount.
192.168.1.10:/export/data /mnt/data nfs defaults 0 0
Why wrong: Using 'nfs' type is not recommended; should be 'nfs4'.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
192.168.1.10:/export/data /mnt/data nfs4 defaults 0 0
Option C is correct because the /etc/fstab entry for an NFS mount requires the remote server and export path in the format server:/export, followed by the local mount point, the filesystem type (nfs4 for NFSv4), mount options, dump flag, and fsck order. This matches the standard NFS fstab syntax for automatic mounting at boot.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
192.168.1.10 /export/data /mnt/data nfs4 defaults 0 0
Why it's wrong here
Incorrect syntax; path is part of the server field.
/mnt/data 192.168.1.10:/export/data nfs4 defaults 0 0
Why it's wrong here
Mount point and server are reversed.
192.168.1.10:/export/data /mnt/data nfs4 defaults 0 0
Why this is correct
Correct syntax for NFSv4 mount.
Related concept
Read the scenario before looking for a memorised answer.
192.168.1.10:/export/data /mnt/data nfs defaults 0 0
Why it's wrong here
Using 'nfs' type is not recommended; should be 'nfs4'.
Common exam traps
The trap here is that candidates often confuse the fstab field order or use the generic 'nfs' type instead of 'nfs4', not realizing that RHEL 9 defaults to NFSv4 and the exam expects precise syntax for the specified protocol version.
Detailed technical explanation
In /etc/fstab, NFS mounts use the format server:/export as the device field, which the kernel's NFS client interprets to perform an RPC call to mount the export. The 'nfs4' type explicitly requests NFSv4, which uses a single TCP port (2049) and integrates with RPCSEC_GSS for Kerberos authentication, unlike older versions that rely on separate portmapper and mountd services. A common real-world scenario is ensuring the 'netfs' or 'remote-fs' systemd target is enabled, as NFS mounts in fstab depend on network availability at boot.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
What to study next
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FAQ
Deploy, configure, and maintain systems — This question tests Deploy, configure, and maintain systems — Read the scenario before looking for a memorised answer..
The correct answer is: 192.168.1.10:/export/data /mnt/data nfs4 defaults 0 0 — Option C is correct because the /etc/fstab entry for an NFS mount requires the remote server and export path in the format server:/export, followed by the local mount point, the filesystem type (nfs4 for NFSv4), mount options, dump flag, and fsck order. This matches the standard NFS fstab syntax for automatic mounting at boot.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
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