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Exam AWS Certified Solutions Architect - Associate SAA-C03 All Questions

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Exam AWS Certified Solutions Architect - Associate SAA-C03 topic 1 question 430 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C03
Question #: 430
Topic #: 1
[All AWS Certified Solutions Architect - Associate SAA-C03 Questions]

A manufacturing company has machine sensors that upload .csv files to an Amazon S3 bucket. These .csv files must be converted into images and must be made available as soon as possible for the automatic generation of graphical reports.

The images become irrelevant after 1 month, but the .csv files must be kept to train machine learning (ML) models twice a year. The ML trainings and audits are planned weeks in advance.

Which combination of steps will meet these requirements MOST cost-effectively? (Choose two.)

  • A. Launch an Amazon EC2 Spot Instance that downloads the .csv files every hour, generates the image files, and uploads the images to the S3 bucket.
  • B. Design an AWS Lambda function that converts the .csv files into images and stores the images in the S3 bucket. Invoke the Lambda function when a .csv file is uploaded.
  • C. Create S3 Lifecycle rules for .csv files and image files in the S3 bucket. Transition the .csv files from S3 Standard to S3 Glacier 1 day after they are uploaded. Expire the image files after 30 days.
  • D. Create S3 Lifecycle rules for .csv files and image files in the S3 bucket. Transition the .csv files from S3 Standard to S3 One Zone-Infrequent Access (S3 One Zone-IA) 1 day after they are uploaded. Expire the image files after 30 days.
  • E. Create S3 Lifecycle rules for .csv files and image files in the S3 bucket. Transition the .csv files from S3 Standard to S3 Standard-Infrequent Access (S3 Standard-IA) 1 day after they are uploaded. Keep the image files in Reduced Redundancy Storage (RRS).
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Suggested Answer: BC 🗳️
by nosense at May 15, 2023, 2:29 p.m.
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awsgeek75
9 months, 1 week ago
Selected Answer: BC
B for processing the images via Lambda as it's more cost efficient than EC2 spot instances C for expiring images after 30 days and because the ML trainings are planned weeks in advance so S3 glacier is ideal for slow retrieval and cheap storage. D and E uses S3 infrequent access which is more expensive than glacier
upvoted 2 times
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pentium75
9 months, 2 weeks ago
Selected Answer: BC
Not A, we need the images "as soon as possible", A runs every hour "ML trainings and audits are planned weeks in advance" thus Glacier (C) is ok.
upvoted 2 times
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Xin123
1 year ago
Selected Answer: BC
Answer is B&C. For D, you must store data for 30 days in s3 standard before move to IA tiers, glacier is fine https://docs.aws.amazon.com/AmazonS3/latest/userguide/lifecycle-transition-general-considerations.html#:~:text=Before%20you%20transition%20objects%20to%20S3%20Standard%2DIA%20or%20S3%20One%20Zone%2DIA%2C%20you%20must%20store%20them%20for%20at%20least%2030%20days%20in%20Amazon%20S3
upvoted 3 times
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Guru4Cloud
1 year, 1 month ago
Selected Answer: BC
Definitely B & C
upvoted 2 times
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jayce5
1 year, 2 months ago
Selected Answer: BC
A. Wrong, the .csv files must be processed asap. D and E are incorrect since Glacier is the most cost-effective option, and plans for using .csv files are known weeks in advance.
upvoted 1 times
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james2033
1 year, 2 months ago
Why need "These .csv files must be converted into images"?
upvoted 1 times
awsgeek75
9 months ago
Because they are being used in some graphical reports (probably fancy powerpoint presentations!)
upvoted 1 times
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smartegnine
1 year, 3 months ago
Selected Answer: BC
the key word is Weeks in advance, even you save data in S3 Gracia will also OK to take couples days to retrieve the data
upvoted 2 times
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TariqKipkemei
1 year, 4 months ago
Selected Answer: BC
Definitely B & C
upvoted 1 times
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Abrar2022
1 year, 4 months ago
Selected Answer: BC
A. Wrong because Lifecycle rule is not mentioned. B. CORRECT C. CORRECT D. Why Store on S3 One Zone-Infrequent Access (S3 One Zone-IA) when the files are going to irrelevant after 1 month? (Availability 99.99% - consider cost) E. again, Why use Reduced Redundancy Storage (RRS) when the files are irrelevant after 1 month? (Availability 99.99% - consider cost)
upvoted 3 times
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vesen22
1 year, 4 months ago
Selected Answer: BC
https://docs.aws.amazon.com/amazonglacier/latest/dev/introduction.html
upvoted 4 times
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RoroJ
1 year, 4 months ago
Selected Answer: BE
B: Serverless and fast responding E: will keep .csv file for a year, C and D expires the file after 30 days.
upvoted 3 times
RoroJ
1 year, 4 months ago
B&C, misread the question, expires the image files after 30 days.
upvoted 2 times
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hiroohiroo
1 year, 5 months ago
Selected Answer: BC
https://aws.amazon.com/jp/about-aws/whats-new/2021/11/amazon-s3-glacier-storage-class-amazon-s3-glacier-flexible-retrieval/
upvoted 2 times
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nosense
1 year, 5 months ago
Selected Answer: BC
B severless and cost effective C corrctl rule to store
upvoted 2 times
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