AWS Certified Solutions Architect – Associate (SAA-C02) — Question 67

A company must generate sales reports at the beginning of every month. The reporting process launches 20 Amazon EC2 instances on the first of the month. The process runs for 7 days and cannot be interrupted. The company wants to minimize costs.
Which pricing model should the company choose?

Answer options

Correct answer: C

Explanation

On-Demand Instances are ideal for the company's needs as they allow for flexibility and only incur charges for the time the instances are running. Reserved Instances and Scheduled Reserved Instances would not be cost-effective for a one-week operation since they require longer-term commitments. Spot Block Instances, while cheaper, can be interrupted, which doesn't meet the requirement for a non-interrupted process.