AWS Certified Cloud Practitioner CLF-C01 – Question236

A company needs to run an application on Amazon EC2 instances. The instances cannot be interrupted at any time. The company needs an instance purchasing option that requires no long-term commitment or upfront payment.
Which instance purchasing option will meet these requirements MOST cost-effectively?

A. On-Demand Instances
B. Spot Instances
C. Dedicated Hosts
D. Reserved Instances

Correct Answer: A

Explanation:

Reference: https://aws.amazon.com/ec2/pricing/