EX280 Troubleshooting And Diagnostics Practice Question
An administrator needs to collect cluster-wide diagnostic information from an OpenShift 4.14 cluster for a Red Hat support case. Which command should be executed?
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 adm must-gather
The oc adm must-gather command collects debugging information from the cluster, including logs, cluster operator status, and node details, packaging them into a compressed archive for Red Hat Support.
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 adm diagnose
Why it's wrong here
This command is deprecated and not used for comprehensive data collection.
- ✓
oc adm must-gather
Why this is correct
This is the correct command to collect diagnostic logs and data for Red Hat Support.
- ✗
oc cluster-info dump
Why it's wrong here
This is an upstream Kubernetes command and does not collect all OpenShift-specific operator data.
- ✗
oc get clusteroperators -o yaml
Why it's wrong here
This only outputs cluster operator resources and does not gather pod logs or node diagnostics.
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.