AWS Certified Solutions Architect Associate SAA-C03 Practice Question
A media organization is storing large media files in Amazon S3 that are frequently accessed immediately after upload, are accessed infrequently after one month, and are rarely accessed after one year. With a goal to reduce storage costs while preserving data availability, which lifecycle configuration should be chosen to manage the media files?
Start with S3 Standard, transition to S3 Standard-Infrequent Access after one month, and transition to S3 Glacier Flexible Retrieval after one year.
Maintain the media files in S3 Standard throughout the year without applying any lifecycle policies.
Implement S3 Intelligent-Tiering for automatic tiering without any further lifecycle changes.
Store the media files in S3 One Zone-Infrequent Access after the initial upload and retain them indefinitely.
A cost-effective strategy is to use the lifecycle management feature of Amazon S3 to transition objects to cost-saving storage classes as the access frequency declines. Initially storing the media files in S3 Standard is appropriate for the initial high access rate. After one month, transitioning to S3 Standard-Infrequent Access (S3 Standard-IA) optimizes cost without significantly impacting retrieval time. After one year, moving the files to S3 Glacier Flexible Retrieval (formerly S3 Glacier) balances cost and retrieval times for the rare access requirement. Using S3 One Zone-Infrequent Access saves costs but is less durable because it stores data within a single Availability Zone and is not suitable for critical files that require high durability. S3 Intelligent-Tiering could be a valid option, but it doesn't provide as much cost optimization as transitioning to S3 Standard-IA and later to S3 Glacier Flexible Retrieval as per the specified access pattern.
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