I assume D.Business is correct.
Developer - Recommended if you are experimenting or testing in AWS
Business - Minimum recommended tier if you have production workloads in AWS
Enterprise On-Ramp - Recommended if you have production and/or business critical workloads in AWS
Enterprise - Recommended if you have business and/or mission critical workloads in AWS
https://aws.amazon.com/premiumsupport/plans/
A. Developer
Developer Support is the lowest-tier support plan offered by AWS and is designed for developers and small businesses with basic support needs.
While Business, Enterprise On-Ramp, and Enterprise offer higher levels of support with additional features and benefits, they also come with higher costs.
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Highly Voted 8 months, 3 weeks agoShaiTay
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