EX280 Storage And Persistent Volumes Practice Question
An administrator needs to provision persistent storage dynamically using an NFS server. Which provisioner is required in the StorageClass definition since OpenShift removed the in-tree NFS provisioner?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
sig-storage.k8s.io/nfs-subdir-external-provisioner
OpenShift removed in-tree provisioners. The external NFS subdir external provisioner is the standard Red Hat-supported way to dynamically provision NFS volumes.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
nfs.csi.k8s.io
Why it's wrong here
While a CSI driver for NFS exists, the most widely documented and utilized dynamic solution for basic NFS in admin workflows is the external-provisioner.
- ✗
kubernetes.io/nfs
Why it's wrong here
This in-tree provisioner is deprecated and removed in modern OpenShift versions.
- ✓
sig-storage.k8s.io/nfs-subdir-external-provisioner
Why this is correct
This external provisioner correctly supports dynamic NFS provisioning via subdirectories.
- ✗
openshift.io/nfs-dynamic
Why it's wrong here
This provisioner name does not exist in OpenShift.
About these practice questions
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Red Hat exam blueprint
This EX280 practice question is part of Courseiva's free Red Hat certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the EX280 exam.