EC2 Performance Optimization Quiz

What you'll be asked

1. Which AWS EC2 instance metric is most appropriate to monitor to determine if you are hitting the IOPS limit for an EBS volume?
2. You have a web application running on an EC2 instance that is experiencing high CPU usage. Which of the following is the most cost-effective first step to optimize performance?
3. Your application requires high network performance and low latency between instances. Which feature should you implement?
4. An EC2 instance is experiencing performance degradation due to high disk I/O. You are using a gp2 volume. Which action will provide an immediate and persistent increase in performance?
5. You are running a high-throughput application on an EC2 instance and notice that CPU usage is low, but the instance is failing to reach the advertised network throughput. What is the most likely cause?

Answers and explanations come after you submit.