A company plans to create a data lake that uses Amazon S3.
Which factor will have the MOST effect on cost?
The selection of S3 storage tiers
Charges to transfer existing data into Amazon S3
The addition of S3 bucket policies
S3 ingest fees for each request
Explanations:
The selection of S3 storage tiers directly impacts costs, as different tiers have varying pricing structures based on access frequency and retrieval time.
While transferring existing data incurs charges, it is generally a one-time cost compared to ongoing costs associated with storage tiers.
S3 bucket policies do not incur direct costs; they control access but do not affect storage pricing.
S3 ingest fees are associated with requests, but they are generally minor compared to the ongoing costs of the storage tier selected.
Based on what I know, the answer is:
The selection of S3 storage tiers