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Which AWS service is always available free of charge to users?
A
Amazon Athena
B
AWS Identity and Access Management (IAM)
C
AWS Secrets Manager
D
Amazon ElastiCache
Explanation:
AWS Identity and Access Management (IAM) is always available free of charge to users. Here's why:
No additional cost: IAM is a fundamental AWS service that enables you to manage access to AWS services and resources securely
Core security service: As a foundational security service, AWS provides IAM at no extra charge to all AWS customers
Essential functionality: IAM is required for managing user permissions, roles, and security policies across AWS services
Amazon Athena: Pay-per-query service with charges based on the amount of data scanned
AWS Secrets Manager: Has a monthly charge per secret stored and API calls made
Amazon ElastiCache: Charged based on node hours, data transfer, and backup storage
IAM's free availability makes it accessible for all AWS customers regardless of their usage level, ensuring that security and access management capabilities are available to everyone.