EX280 User And RBAC Management Practice Question
You need to configure a ClusterRole that permits reading metrics endpoints across all namespaces but nothing else. Which API groups and resources must be specified in the rules block?
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
✓
apiGroups: [''], resources: ['endpoints'], verbs: ['get', 'list', 'watch']
To scrape metrics or read endpoints across namespaces, the apiGroups must include '' (core) and metrics (if custom metrics API), but for standard core endpoints, apiGroups: [''], resources: ['endpoints'].
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
apiGroups: [''], resources: ['pods', 'services'], verbs: ['get', 'list']
Why it's wrong here
This grants access to pods and services, not specifically metrics endpoints.
- ✓
apiGroups: [''], resources: ['endpoints'], verbs: ['get', 'list', 'watch']
Why this is correct
Reading endpoints across the cluster requires apiGroups [''] and resource 'endpoints' with get, list, watch verbs.
- ✗
apiGroups: ['apps'], resources: ['deployments'], verbs: ['get']
Why it's wrong here
Deployments belong to the 'apps' API group, not core metrics endpoints.
- ✗
apiGroups: ['metrics.k8s.io'], resources: ['nodes'], verbs: ['get']
Why it's wrong here
Metrics API groups handle resource metrics, but standard endpoints reside in the core API group.
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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.