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Answer: Objects transitioned to S3 Standard-IA after 30 days, moved to S3 Glacier Flexible Retrieval after 90 days, with a 90-day delete policy.
Option B is the correct answer. This solution involves transitioning objects to the S3 Standard-Infrequent Access (S3 Standard-IA) storage class after 30 days of creation, which helps save costs compared to keeping them in S3 Standard. After 90 days, the objects are moved to S3 Glacier Flexible Retrieval, which is a more cost-effective storage class for infrequently accessed data. Additionally, an expiration action is set to delete the objects after 90 days. This combination ensures that the logs are highly available for 30 days, cost-efficiently stored for the next 60 days, and then appropriately deleted, meeting the company's requirements.
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A company requires a cost-effective logging solution across multiple AWS accounts, utilizing a centralized S3 bucket for storing VPC flow and AWS CloudTrail logs. The solution must ensure logs are highly available for 30 days, retained for 60 days for backup, and deleted after 90 days. Which S3 storage class transition and lifecycle policy combination meets these criteria?
A
Objects transitioned to S3 Standard after 30 days, with a 90-day delete policy.
B
Objects transitioned to S3 Standard-IA after 30 days, moved to S3 Glacier Flexible Retrieval after 90 days, with a 90-day delete policy.
C
Objects transitioned to S3 Glacier Flexible Retrieval after 30 days, with a 90-day delete policy.
D
Objects transitioned to S3 One Zone-IA after 30 days, moved to S3 Glacier Flexible Retrieval after 90 days, with a 90-day delete policy.