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IAM roles provide a way to securely manage access to AWS services and resources. In the context of ECS, IAM roles can be used to grant permissions for ECS tasks to access other AWS services, such as Amazon S3 or Amazon DynamoDB.

Using IAM roles, you can define fine-grained access control policies that specify what actions a task can perform and what resources it can access. This ensures that only authorized tasks can interact with sensitive resources, improving the overall security of your ECS environment.

Fill in the blank: IAM roles can be used to grant permissions for ECS tasks to access other AWS services, such as Amazon __ or Amazon DynamoDB.