EX280 Cluster Installation And Management Practice Question
An administrator wants to customize worker node behavior in an OpenShift 4.14 cluster using the Machine Config Operator. Which THREE custom resources are natively provided and managed by the MCO for node customization? (Choose THREE)
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
✓
MachineConfig
The MCO manages MachineConfig, KubeletConfig, and ContainerRuntimeConfig custom resources to configure nodes.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
ClusterVersion
Why it's wrong here
ClusterVersion is managed by the CVO, not the MCO.
- ✓
MachineConfig
Why this is correct
MachineConfig is the core MCO resource for files, ignition, and OS settings.
- ✓
KubeletConfig
Why this is correct
KubeletConfig allows customizing kubelet parameters across a MachineConfigPool.
- ✓
ContainerRuntimeConfig
Why this is correct
ContainerRuntimeConfig allows customizing CRI-O runtime settings.
- ✗
OperatorGroup
Why it's wrong here
OperatorGroup is managed by OLM for namespace scoping, not by the MCO.
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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.