EX280 Cluster Installation And Management Practice Question
Which custom resource defines a group of nodes (such as all worker nodes or a custom compute pool) that share a common MachineConfig in OpenShift 4.14?
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
✓
MachineConfigPool
The MachineConfigPool resource groups nodes by role and coordinates applying MachineConfigs to them.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
NodeGroup
Why it's wrong here
There is no 'NodeGroup' resource in OpenShift.
- ✗
MachineSet
Why it's wrong here
MachineSet defines a group of compute machines managed by the Machine API Operator, not OS configs.
- ✓
MachineConfigPool
Why this is correct
MachineConfigPool groups nodes (e.g., master and worker) and tracks the application of MachineConfigs.
- ✗
ConfigMap
Why it's wrong here
ConfigMaps store generic key-value data, not node configuration pools.
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.