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Answer: Use AWS Snowball for data transfer and lifecycle policy for Amazon S3 Glacier Deep Archive storage.
The best solution to migrate the 700 TB of backup data to AWS at the lowest cost is to use AWS Snowball devices. AWS Snowball is a data transfer service that uses physical devices to transfer large amounts of data. Given the company's requirement to complete the migration within 1 month and the limited 500 Mbps bandwidth, AWS Snowball devices can help achieve the migration faster than transferring data over the internet. Additionally, transitioning the files to Amazon S3 Glacier Deep Archive using a lifecycle policy ensures long-term, low-cost storage. Options B, C, and D involve transferring large amounts of data over the network, which may not be feasible within the given time frame and could be more costly.
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A company with 700 TB of NAS-stored backup data must migrate to AWS for 7-year retention, accessible for rare regulatory checks, within a month. With a 500 Mbps public internet bandwidth, how should a solutions architect minimize migration costs?
A
Use AWS Snowball for data transfer and lifecycle policy for Amazon S3 Glacier Deep Archive storage.
B
Establish a VPN for data copy to Amazon S3 Glacier using AWS CLI.
C
Leverage AWS Direct Connect for data transfer with a lifecycle policy to Amazon S3 Glacier Deep Archive.
D
Employ AWS DataSync and an on-premises agent for migration to Amazon S3 Glacier.