Resource and Capacity Issues Quiz

5 questions Pass: 70% +25 pts (50 with Pro)

Quiz covering Security and Deployment Issues

What you'll be asked

  1. An application is returning '503 Service Unavailable' errors during peak traffic hours. What is the most likely cause?
  2. Your microservice is crashing with an 'Out of Memory' (OOM) error. Which metric should you investigate first to confirm the root cause?
  3. After deploying a new version of an application, users report slow response times. The CPU usage is normal, but the application is frequently 'waiting' for resources. What should you check next?
  4. You notice that your application is failing to connect to an external API intermittently. The server logs show 'Connection refused' and 'Ephemeral port exhaustion'. How do you resolve this?
  5. A distributed system experiences cascading failures where one service's latency causes other services to hang while waiting for responses. What architectural pattern should be implemented to prevent this?

Answers and explanations come after you submit.