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Exam AWS Certified Solutions Architect - Professional SAP-C02 topic 1 question 430 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Professional SAP-C02
Question #: 430
Topic #: 1
[All AWS Certified Solutions Architect - Professional SAP-C02 Questions]

A company runs a highly available data collection application on Amazon EC2 in the eu-north-1 Region. The application collects data from end-user devices and writes records to an Amazon Kinesis data stream and a set of AWS Lambda functions that process the records. The company persists the output of the record processing to an Amazon S3 bucket in eu-north-1. The company uses the data in the S3 bucket as a data source for Amazon Athena.

The company wants to increase its global presence. A solutions architect must launch the data collection capabilities in the sa-east-1 and ap-northeast-1 Regions. The solutions architect deploys the application, the Kinesis data stream, and the Lambda functions in the two new Regions. The solutions architect keeps the S3 bucket in eu-north-1 to meet a requirement to centralize the data analysis.

During testing of the new setup, the solutions architect notices a significant lag on the arrival of data from the new Regions to the S3 bucket.

Which solution will improve this lag time the MOST?

  • A. In each of the two new Regions, set up the Lambda functions to run in a VPC. Set up an S3 gateway endpoint in that VPC.
  • B. Turn on S3 Transfer Acceleration on the S3 bucket in eu-north-1. Change the application to use the new S3 accelerated endpoint when the application uploads data to the S3 bucket.
  • C. Create an S3 bucket in each of the two new Regions. Set the application in each new Region to upload to its respective S3 bucket. Set up S3 Cross-Region Replication to replicate data to the S3 bucket in eu-north-1.
  • D. Increase the memory requirements of the Lambda functions to ensure that they have multiple cores available. Use the multipart upload feature when the application uploads data to Amazon S3 from Lambda.
Show Suggested Answer Hide Answer
Suggested Answer: C 🗳️
by alexis123456 at Feb. 5, 2024, 11:22 p.m.
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wyeedh1
Highly Voted 3 months, 1 week ago
Selected Answer: C
s3 transfer acceleration is not supported in eu-north-1 region yet https://docs.aws.amazon.com/AmazonS3/latest/userguide/transfer-acceleration.html
upvoted 11 times
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e4bc18e
Most Recent 1 week, 2 days ago
Answer is C but feel this is one they definitely want people to get wrong. No one is going to memorize which regions every feature is supported in, it is something anyone would look up.
upvoted 1 times
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seetpt
2 weeks ago
Selected Answer: C
I would choose B but it cannot be B because S3 Transfer Acceleration is not supported in eu-north-1. This leaves C as the only viable option.
upvoted 1 times
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qaz12wsx
2 weeks, 2 days ago
Selected Answer: C
agree with bjexamprep
upvoted 2 times
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bjexamprep
1 month ago
Selected Answer: C
S3 Transfer Acceleration achieves acceleration by AWS routing traffic to AWS cloudfront edge location and transfer aws network backbone. The key speed improvement is AWS network backbone. While, in this case, the application in the two new regions is the client to write the output to S3 in EU, which means the client is already on AWS, the data transportation is already on AWS network backbone. So S3 Transfer Acceleration is not helping at all. B is out. C is the best answer.
upvoted 3 times
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leliodesouza
1 month, 1 week ago
Selected Answer: C
Correct Answer is C. S3 transfer acceleration is not yet supported in the eu-north-1 region, as wyeedh1 commented. https://docs.aws.amazon.com/AmazonS3/latest/userguide/transfer-acceleration.html
upvoted 2 times
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akiakiaki
1 month, 2 weeks ago
Selected Answer: C
wyeedh1
upvoted 2 times
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failexamonly
1 month, 3 weeks ago
Selected Answer: C
see wyeedh1 answer
upvoted 2 times
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VerRi
1 month, 3 weeks ago
Selected Answer: C
"improve this lag time the MOST" means improve the time for "uploading files" not "uploading the files to the destination." Uploading the files to the bucket in the same region is faster than transferring them to other regions.
upvoted 3 times
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career360guru
2 months, 1 week ago
Selected Answer: B
Option B
upvoted 2 times
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thotwielder
2 months, 2 weeks ago
Selected Answer: B
A: wrong. for s3 gateway endpoint it's not possible to access the S3 buckets from another VPC/Region B: typical scenario for s3 transfer acceleration. C: possible. But extra steps. And not sure s3 replication will be faster. So is wrong. D: wrong.
upvoted 2 times
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sat2008
2 months, 2 weeks ago
Selected Answer: B
I agree for the reason "requirement to centralize the data analysis" we cant have S3 s in other regions
upvoted 1 times
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cf9e355
2 months, 3 weeks ago
Selected Answer: B
as they said "The solutions architect keeps the S3 bucket in eu-north-1 to meet a requirement to centralize the data analysis". So, B should be the answer
upvoted 3 times
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veyisceylan
3 months ago
I think that the LAG 7is caused due to network path running to S3 public interfaces. The gateway endpoint can enchance the network path and reduce the LAG. https://aws.amazon.com/blogs/architecture/reduce-cost-and-increase-security-with-amazon-vpc-endpoints/
upvoted 2 times
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arberod
3 months, 1 week ago
Selected Answer: B
It is B
upvoted 2 times
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07c2d2a
3 months, 1 week ago
B. It's not efficient to upload to 1 S3 bucket, then have it replicated across. It will be faster to use acceleration to get to the actual destination bucket. Additionally, they don't need 2 extra copies of all the data. B makes the most sense from all perspectives.
upvoted 2 times
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TheCloudGuruu
3 months, 1 week ago
Selected Answer: B
B. Transfer Accelertation
upvoted 2 times
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