review

Q1 — IAM policy structure

Which JSON element in an IAM policy specifies the AWS account, user, role, or service that a policy statement applies to (used in resource-based policies)?


Q2 — EC2 purchasing options

A company runs a batch processing workload that can tolerate interruptions and wants to minimize cost. Which EC2 purchasing option is most appropriate?


Q3 — EBS volume types

A database workload requires the highest IOPS performance available for an EBS volume, with sub-millisecond latency. Which volume type should be selected?