EX280 Troubleshooting And Diagnostics Practice Question
An OpenShift cluster node is reporting High CPU and Memory pressure. Which THREE commands or tools can an administrator use to investigate resource bottlenecks on that node? (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
✓
oc describe node <node-name>
oc adm top nodes, oc describe node, and running top within an oc debug session on the node provide comprehensive insight into node resource consumption.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
oc describe node <node-name>
Why this is correct
Displays resource allocation totals, requests, limits, and node conditions like MemoryPressure.
- ✓
oc adm top nodes
Why this is correct
Shows current CPU and memory utilization across all nodes.
- ✗
oc get events --namespace=default
Why it's wrong here
Default namespace events rarely contain targeted node resource utilization stats.
- ✗
oc logs deployment/cluster-version-operator
Why it's wrong here
CVO logs do not contain node resource pressure metrics.
- ✓
oc debug node/<node-name> -- chroot /host top
Why this is correct
Provides interactive host process resource monitoring.
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.