EC2 Auto Scaling Quiz

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

Quiz covering Scalability and Elasticity

What you'll be asked

  1. Which EC2 Auto Scaling component is responsible for maintaining a specific number of running instances?
  2. You have a web application with highly unpredictable traffic patterns. Which scaling policy should you use to ensure your application maintains a constant average CPU utilization of 50%?
  3. An Auto Scaling group has a health check type set to 'EC2'. What happens if an instance fails a status check but the underlying hardware is still running?
  4. Which of the following best describes the difference between Scalability and Elasticity?
  5. You have a scaling policy that adds 2 instances when CPU > 70% and adds 5 instances when CPU > 90%. What happens if the CPU suddenly spikes from 60% to 95%?

Answers and explanations come after you submit.