AWS Certified SysOps Administrator – Associate (legacy) — Question 157

A user is running one instance for only 3 hours every day. The user wants to save some cost with the instance. Which of the below mentioned Reserved Instance categories is advised in this case?

Answer options

• A. The user should not use RI; instead only go with the on-demand pricing
• B. The user should use the AWS high utilized RI
• C. The user should use the AWS medium utilized RI
• D. The user should use the AWS low utilized RI

Correct answer: A

Explanation

The correct answer is A because with such limited usage, on-demand pricing is more cost-effective than any Reserved Instance option. The other options suggest using Reserved Instances that are not suitable for low usage, which would not provide any cost savings for the user.