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Your company is planning to implement a multi-account strategy in AWS to separate different environments such as development, testing, and production. How can you ensure secure and controlled access between these accounts while maintaining isolation?
A
Create a single VPC and use security groups to control access between environments.
B
Create separate VPCs for each environment and use AWS RAM (Resource Access Manager) to share resources securely.
C
Enable cross-account access using IAM roles and policies to control permissions.
D
Use AWS Organizations to create separate accounts and rely on security groups for access control.