Topic 1 Question 23

AWS Certified Data Engineer - Associate

Topic 1 Question 23
A company currently stores all of its data in Amazon S3 by using the S3 Standard storage class. A data engineer examined data access patterns to identify trends. During the first 6 months, most data files are accessed several times each day. Between 6 months and 2 years, most data files are accessed once or twice each month. After 2 years, data files are accessed only once or twice each year. The data engineer needs to use an S3 Lifecycle policy to develop new data storage rules. The new storage solution must continue to provide high availability. Which solution will meet these requirements in the MOST cost-effective way?
- Transition objects to S3 One Zone-Infrequent Access (S3 One Zone-IA) after 6 months. Transfer objects to S3 Glacier Flexible Retrieval after 2 years.
- Transition objects to S3 Standard-Infrequent Access (S3 Standard-IA) after 6 months. Transfer objects to S3 Glacier Flexible Retrieval after 2 years.
- Transition objects to S3 Standard-Infrequent Access (S3 Standard-IA) after 6 months. Transfer objects to S3 Glacier Deep Archive after 2 years.
- Transition objects to S3 One Zone-Infrequent Access (S3 One Zone-IA) after 6 months. Transfer objects to S3 Glacier Deep Archive after 2 years.
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- 正解だと思う選択肢: B
  "S3 Glacier Flexible Retrieval delivers low-cost storage, up to 10% lower cost (than S3 Glacier Instant Retrieval), for archive data that is accessed 1-2 times per year and is retrieved asynchronously"
  
  Source: https://aws.amazon.com/s3/storage-classes/glacier/
  
  👍 17
  helpaws2024/09/20
- 正解だと思う選択肢: C
  Flexible retrieval will be higher cost than deep archive. If records only need to be retrieved once or twice a year, this doesn't mean they need to be instantly available.
  
  👍 6
  WarPig6662024/12/12
- 正解だと思う選択肢: C
  There is no requirement for the retrieval time. So this is more cost-effective.
  
  👍 4
  altonh2024/12/03
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