AWS Certified Solutions Architect Associate SAA-C03 Practice Question
A company must migrate hundreds of terabytes of data from on-premises NFS file shares to Amazon S3 over an existing 10 Gbps AWS Direct Connect link. The solution must:
Maximize throughput (ideally saturate the 10 Gbps link)
Encrypt data in transit
Resume automatically after a network interruption by transferring only missing data
Minimize the operational overhead of scripting, scheduling, and monitoring
Which AWS service is the MOST appropriate to meet these requirements?
AWS DataSync is purpose-built to transfer data online between on-premises storage and AWS at speeds up to 10 Gbps-often 3-10Ă— faster than open-source tools. It encrypts data in transit with TLS, performs integrity verification, and automatically resumes interrupted transfers by copying only the data that did not finish. AWS Transfer Family provides managed SFTP/FTP endpoints but does not parallelize transfers or optimize throughput in the same way. Amazon S3 Transfer Acceleration optimizes uploads from the public internet rather than over Direct Connect, and AWS Snowball Edge is an offline, edge-shipping appliance rather than an online transfer service.
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How does AWS DataSync optimize data transfers compared to SCP or FTP?
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