AWS Certified SysOps Administrator – Associate (legacy) — Question 458

Pricing is ____ consumed for EC2 instances.

Answer options

• A. per instance-hour only
• B. per instance-minute or instance-hour
• C. per instance-second or per instance-hour
• D. per instance-minute only

Correct answer: C

Explanation

AWS bills EC2 instances either on a per-second or per-hour basis, depending on the operating system and AMI used. For instance, Linux, Windows, and Ubuntu instances are billed per second (with a 1-minute minimum), while other operating systems are billed per hour. There is no per-minute billing option for EC2 instances.