EX342 Practice Questions - Red Hat Certified Specialist In Containerized Services On OpenShift Exam (EX342) Exam

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An OpenShift ConfigMap named `app-config` contains a key `database.url`. How do you inject this value as an environment variable named `DB_URL` into a Deployment?

Use valueFrom.configMapKeyRef in the Deployment's container env spec Mount the ConfigMap as a volume and read the file at runtime Use oc set env deployment/myapp --from=configmap/app-config/database.url Directly reference the ConfigMap name in the container's env section without a key reference

Correct Answer:

Use valueFrom.configMapKeyRef in the Deployment's container env spec

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