I don’t know why some people are considering “Charges to Transfer existing Data into Amazon S3” if AWS charges nothing to “Data transferred IN from Internet”.
See Prices calculations of AWS S3 on https://aws.amazon.com/s3/pricing/
The answer is A, which is S3 tier selection
Amazon S3 offers different storage tiers with varying costs based on factors like access frequency, durability, and storage requirements. Choosing the right tier for your data based on its access patterns can significantly impact your overall cost. For example, storing rarely accessed data in the Glacier tier, which is the cheapest option, can save you a lot of money compared to storing it in the Standard tier, which is designed for frequent access.
D. Taxas de ingestão S3 para cada solicitação.
As taxas de ingestão do Amazon S3 são um fator importante a ser considerado ao calcular os custos de um data lake que usa o S3 como armazenamento. O S3 cobra uma taxa por cada solicitação de escrita (PUT) e também por cada solicitação de cópia, postagem ou carregamento de dados (POST).
Se a empresa planeja realizar muitas solicitações de gravação, como a ingestão frequente de dados no data lake, essas taxas podem ter um impacto significativo no custo total. Portanto, é importante considerar cuidadosamente as taxas de ingestão ao planejar o custo do uso do Amazon S3 como parte de um data lake.
You pay for all bandwidth into and out of Amazon S3, except for the following:
Data transferred out to the internet for the first 100GB per month, aggregated across all AWS Services and Regions (except China and GovCloud)
Data transferred in from the internet.
Data transferred between S3 buckets in the same AWS Region.
Data transferred from an Amazon S3 bucket to any AWS service(s) within the same AWS Region as the S3 bucket (including to a different account in the same AWS Region).
Data transferred out to Amazon CloudFront (CloudFront).
The pricing below is based on data transferred "in" and "out" of Amazon S3 (over the public internet)
So answer is A
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