EX280 Troubleshooting And Diagnostics Practice Question
An administrator is diagnosing why an authentication token exchange is failing for cluster users. Which THREE sources provide relevant error logs and status information? (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 logs -n openshift-kube-apiserver pod/kube-apiserver-<node-name>
Checking the authentication operator status, OAuth server logs, and API server request logs helps trace authentication failures.
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 logs -n openshift-ingress-operator deployment/ingress-operator
Why it's wrong here
Ingress operator manages routers, not authentication token exchanges.
- ✓
oc logs -n openshift-kube-apiserver pod/kube-apiserver-<node-name>
Why this is correct
Shows token validation and API client request authorization errors.
- ✗
oc get namespaces
Why it's wrong here
Namespaces list projects, not authentication diagnostics.
- ✓
oc describe clusteroperator authentication
Why this is correct
Shows operator health conditions and errors related to OAuth and authentication.
- ✓
oc logs -n openshift-authentication deployment/oauth-openshift
Why this is correct
Logs token requests and client authentication failures.
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.