What is the lowest-cost, durable storage option for retaining database backups for immediate retrieval?
What is the lowest-cost, durable storage option for retaining database backups for immediate retrieval?
A . Amazon S3
B . Amazon Glacier
C . Amazon EBS
D . Amazon EC2 Instance Store
Answer: A
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why the answer is S3 instead of Glacier, which is even cheaper
Glacier is cheaper for storage, but S3 is much cheaper for “immediate retrieval”.