Deployment Failure Resolution Quiz

What you'll be asked

1. After deploying a new version of your web application, users report a '403 Forbidden' error when accessing a specific API endpoint. What is the most likely cause?
2. During a deployment to a production environment, the application crashes immediately upon startup with a 'Connection Refused' error. Which area should you investigate first?
3. You have updated an environment variable containing a sensitive database password, but the application is still connecting using the old credentials. What is the most likely reason?
4. A deployment pipeline succeeds, but the application is unreachable via HTTPS. You confirm the container is running and healthy. What is the next logical step to troubleshoot?
5. Your application uses a rolling update deployment strategy. After the update, you notice intermittent 'Connection Reset' errors during peak traffic. What is the root cause?

Answers and explanations come after you submit.