EX280 Troubleshooting And Diagnostics Practice Question
An administrator notices that a node has been automatically cordoned and drained by the cluster. Which THREE places should the administrator inspect to find the reason for the node eviction or failure? (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>
Checking node descriptions for conditions, cluster events, and kubelet logs on the node reveals node failure reasons.
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 get storageclass
Why it's wrong here
Storage classes define persistent volume provisioning, not node health.
- ✓
oc describe node <node-name>
Why this is correct
Shows node conditions like DiskPressure, MemoryPressure, or NetworkUnavailable.
- ✓
Journalctl logs for the kubelet service on the affected node.
Why this is correct
Kubelet logs record node health checks, eviction triggers, and container runtime failures.
- ✗
oc get ingresscontroller
Why it's wrong here
Ingress controllers do not manage node eviction or health states.
- ✓
oc get events --field-selector reason=Evicted
Why this is correct
Lists event logs showing why pods were evicted from the node.
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.