Topic 1 Question 267

AWS Certified Machine Learning - Specialty

Topic 1 Question 267
A company is deploying a new machine learning (ML) model in a production environment. The company is concerned that the ML model will drift over time, so the company creates a script to aggregate all inputs and predictions into a single file at the end of each day. The company stores the file as an object in an Amazon S3 bucket. The total size of the daily file is 100 GB. The daily file size will increase over time.

Four times a year, the company samples the data from the previous 90 days to check the ML model for drift. After the 90-day period, the company must keep the files for compliance reasons.

The company needs to use S3 storage classes to minimize costs. The company wants to maintain the same storage durability of the data.

Which solution will meet these requirements?
- Store the daily objects in the S3 Standard-InfrequentAccess (S3 Standard-IA) storage class. Configure an S3 Lifecycle rule to move the objects to S3 Glacier Flexible Retrieval after 90 days.
- Store the daily objects in the S3 One Zone-Infrequent Access (S3 One Zone-IA) storage class. Configure an S3 Lifecycle rule to move the objects to S3 Glacier Flexible Retrieval after 90 days.
- Store the daily objects in the S3 Standard-InfrequentAccess (S3 Standard-IA) storage class. Configure an S3 Lifecycle rule to move the objects to S3 Glacier Deep Archive after 90 days.
- Store the daily objects in the S3 One Zone-Infrequent Access (S3 One Zone-IA) storage class. Configure an S3 Lifecycle rule to move the objects to S3 Glacier Deep Archive after 90 days.
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- 正解だと思う選択肢: C
  For same storage Durability we should NOT use S3 One Zone-IA. For Glacier we will use Deep Archive for more cost saving. So it's C
  
  👍 2
  ADVIT2023/07/07
- 正解だと思う選択肢: D
  "Amazon S3 Standard, S3 Standard-IA, S3 One Zone-IA, and Amazon Glacier, are all designed for 99.999999999% durability." One Zone is as durable as Standard but cheaper than Standard IA. Glacier Deep Archive is cheaper than Flexible Retrieval. D is the cheapest (without compromising on durability).
  
  👍 2
  goku582023/09/02
- 正解だと思う選択肢: D
  "Amazon S3 Standard, S3 Standard-IA, S3 One Zone-IA, and Amazon Glacier, are all designed for 99.999999999% durability." One Zone is as durable as Standard but cheaper than Standard IA. Glacier Deep Archive is cheaper than Flexible Retrieval. D is the cheapest (without compromising on durability).
  
  👍 2
  giustino982023/11/05
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