Immutable ConfigMaps in Kubernetes - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to create an immutable ConfigMap.

Kubernetes

apiVersion: v1
kind: ConfigMap
metadata:
  name: example-config
immutable: [1]
data:
  key: value

Drag options to blanks, or click blank then click option'

Atrue

Bfalse

C"false"

D"true"

Attempts:

3 left

💡 Hint

Common Mistakes

Using string values like "true" instead of boolean true.

Setting immutable to false which does not make ConfigMap immutable.

Setting immutable: true makes the ConfigMap immutable, preventing changes after creation.

2fill in blank

medium

Complete the command to create an immutable ConfigMap from a file.

Kubernetes

kubectl create configmap example-config --from-file=config.txt --[1]

Drag options to blanks, or click blank then click option'

Aimmutable=true=false

Bimmutable=true

Cimmutable=true=true

Dimmutable

Attempts:

3 left

💡 Hint

Common Mistakes

Trying to assign a value to the immutable flag.

Using incorrect flag syntax.

The --immutable flag is used without an equals sign to create an immutable ConfigMap.

3fill in blank

hard

Fix the error in the ConfigMap YAML to make it immutable.

Kubernetes

apiVersion: v1
kind: ConfigMap
metadata:
  name: example-config
immutable: [1]
data:
  key: value

Drag options to blanks, or click blank then click option'

Atrue

BTrue

Cyes

D"true"

Attempts:

3 left

💡 Hint

Common Mistakes

Using quoted strings instead of boolean values.

Capitalizing boolean values.

The immutable field requires a lowercase boolean true without quotes.

4fill in blank

hard

Fill both blanks to complete the command that updates a ConfigMap to be immutable.

Kubernetes

kubectl patch configmap example-config -p '{"immutable": [1], "data": [2]'

Drag options to blanks, or click blank then click option'

Atrue

Bfalse

C{"key":"newvalue"}

D{"key":"value"}

Attempts:

3 left

💡 Hint

Common Mistakes

Using false for immutable when making ConfigMap immutable.

Incorrect JSON format for data.

Set immutable to true and update data with the new key-value pair.

5fill in blank

hard

Fill all three blanks to create an immutable ConfigMap with a label and data.

Kubernetes

apiVersion: v1
kind: ConfigMap
metadata:
  name: example-config
  labels:
    app: [1]
immutable: [2]
data:
  config.yaml: [3]

Drag options to blanks, or click blank then click option'

Amyapp

Btrue

C"key: value"

Dfalse

Attempts:

3 left

💡 Hint

Common Mistakes

Using false for immutable.

Not quoting the data string.

Label the ConfigMap with myapp, set immutable to true, and provide the data as a string.