Kubernetes Config Management & Secrets Mock Test

Question 1: KUBERNETES- Purpose of ConfigMaps

What is the primary purpose of a ConfigMap in Kubernetes?

Question 2: KUBERNETES- Purpose of Secrets

What is the primary purpose of a Kubernetes Secret?

Question 3: KUBERNETES- Code Snippet (ConfigMap YAML)

What does this YAML define?

apiVersion: v1
kind: ConfigMap
metadata:
  name: app-config
data:
  APP_MODE: "production"
  LOG_LEVEL: "info"

Question 4: KUBERNETES- Using ConfigMap in Pod

How can a pod consume a ConfigMap?

Question 5: KUBERNETES- Code Snippet (Mount ConfigMap as Volume)

What does this snippet achieve?

volumes:
  - name: config-volume
    configMap:
      name: app-config
containers:
  - name: app
    image: myapp:latest
    volumeMounts:
      - name: config-volume
        mountPath: /etc/config

Question 6: KUBERNETES- Secrets Base64 Encoding

How must data in Kubernetes Secrets be stored?

Question 7: KUBERNETES- Code Snippet (Secret YAML)

What is this YAML doing?

apiVersion: v1
kind: Secret
metadata:
  name: db-secret
type: Opaque
data:
  DB_USER: YWRtaW4=
  DB_PASSWORD: cGFzc3dvcmQ=

Question 8: KUBERNETES- Consume Secret as Environment Variable

How can a pod use a Secret as an environment variable?

Question 9: KUBERNETES- Best Practices for Secrets

Which of the following is a best practice for using Kubernetes Secrets?

Question 10: KUBERNETES- Code Snippet (Inject Secret as Environment Variable)

What does this snippet achieve?

containers:
- name: app
  image: myapp:latest
  env:
  - name: DB_USER
    valueFrom:
      secretKeyRef:
        name: db-secret
        key: DB_USER