Label-based filtering with kubectl in Kubernetes - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the command to list pods with the label app=nginx.

Kubernetes

kubectl get pods -l [1]

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

Aapp=nginx

Bapp-nginx

Capp_nginx

Dapp:nginx

Attempts:

3 left

💡 Hint

Common Mistakes

Using dashes or colons instead of equal sign in label selector.

Missing the -l flag before the label selector.

The correct label selector syntax is key=value. So app=nginx selects pods with label app equal to nginx.

2fill in blank

medium

Complete the command to list services with the label tier=backend.

Kubernetes

kubectl get services --selector=[1]

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

Atier:backend

Btier-backend

Ctier=backend

Dtier_backend

Attempts:

3 left

💡 Hint

Common Mistakes

Using dashes or underscores instead of equal sign.

Forgetting to use the --selector flag.

The --selector flag uses the same label selector syntax as -l. Use tier=backend to filter services with that label.

3fill in blank

hard

Fix the error in the command to list pods with label environment=prod.

Kubernetes

kubectl get pods -l [1]

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

Aenvironment=prod

Benvironment-prod

Cenvironment:prod

Denvironment_prod

Attempts:

3 left

💡 Hint

Common Mistakes

Using dash or colon instead of equal sign.

Missing the -l flag.

The correct label selector format is key=value. Using dashes or colons causes errors.

4fill in blank

hard

Fill both blanks to list pods with label app=web and tier=frontend.

Kubernetes

kubectl get pods -l [1],[2]

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

Aapp=web

Bapp-web

Ctier=frontend

Dtier-frontend

Attempts:

3 left

💡 Hint

Common Mistakes

Using dashes instead of equal signs.

Separating labels with spaces instead of commas.

Multiple labels are separated by commas. Each label uses key=value format.

5fill in blank

hard

Fill all three blanks to list pods with label app=api, environment=staging, and version=v1.

Kubernetes

kubectl get pods -l [1],[2],[3]

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

Aapp=api

Benvironment=staging

Cversion=v1

Dversion-v1

Attempts:

3 left

💡 Hint

Common Mistakes

Using dashes instead of equal signs.

Missing commas between labels.

Use commas to separate multiple labels. Each label must be in key=value format.