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AWS Certified Solutions Architect - Professional · AWS
Select one answer.
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Register the customer-owned block of IP addresses in the company's AWS account: This allows the company to use their existing IP addresses within AWS, ensuring customers don't need to update firewall allow lists. Create Elastic IP addresses from the address pool: Elastic IP addresses are static IPv4 addresses for dynamic cloud computing. Creating them from the customer-owned pool allows assigning these IP addresses to AWS resources. Assign the Elastic IP addresses to an AWS Transfer for SFTP endpoint: AWS Transfer for SFTP enables secure SFTP file transfers. Assigning customer-owned Elastic IP addresses to the endpoint maintains existing IP addresses for customers. Use AWS Transfer to store files in Amazon S3: AWS Transfer for SFTP integrates with Amazon S3, allowing ingested files to be stored directly in S3 buckets, eliminating the need to manage file storage infrastructure and reducing operational overhead.
Option A is the only possible option.
Option A is valid Option D: S3 doen't have support for SFTP option -> out B, C: using EC2 to host FTP (not SFTP) while there is a native soltion in option A -> out