6 - Services

Question 1

What are the types of network services?

Answer 1

• NodePort -> Provides a port for the application inside the pod to be accessed
• ClusterIP -> Provide an IP so that an application distributed over several nodes within several pods can be accessed through a single IP.
• LoadBalancer ->

Question 2

What are the names of the ports involved in the NodePort service?

Answer 2

• TargetPort -> POD-related port
• Port -> Service-related port
• NodePort -> Node-related port

Question 3

What is the range of ports that the NodePort service can use?

Answer 3

30.000 - 32.767

Question 4

What is the structure of a service’s configuration file?

Answer 4

apiVersion: v1
kind: Service
metadata:
  name: app-service
spec:
  type: NodePort
  ports:
     - targetPort: 80
       port: 80
       nodePort: 30008
  selector:
    app: myapp
     type: front-end

Question 5

Which command is used to create a service from a configuration file?

Answer 5

kubectl create -f service.yaml

Question 6

Which command is used to check the services running?

Answer 6

kubectl get services