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Exam AWS Certified Solutions Architect - Associate SAA-C03 topic 1 question 310 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C03
Question #: 310
Topic #: 1
[All AWS Certified Solutions Architect - Associate SAA-C03 Questions]

A company sells datasets to customers who do research in artificial intelligence and machine learning (AI/ML). The datasets are large, formatted files that are stored in an Amazon S3 bucket in the us-east-1 Region. The company hosts a web application that the customers use to purchase access to a given dataset. The web application is deployed on multiple Amazon EC2 instances behind an Application Load Balancer. After a purchase is made, customers receive an S3 signed URL that allows access to the files.

The customers are distributed across North America and Europe. The company wants to reduce the cost that is associated with data transfers and wants to maintain or improve performance.

What should a solutions architect do to meet these requirements?

  • A. Configure S3 Transfer Acceleration on the existing S3 bucket. Direct customer requests to the S3 Transfer Acceleration endpoint. Continue to use S3 signed URLs for access control.
  • B. Deploy an Amazon CloudFront distribution with the existing S3 bucket as the origin. Direct customer requests to the CloudFront URL. Switch to CloudFront signed URLs for access control.
  • C. Set up a second S3 bucket in the eu-central-1 Region with S3 Cross-Region Replication between the buckets. Direct customer requests to the closest Region. Continue to use S3 signed URLs for access control.
  • D. Modify the web application to enable streaming of the datasets to end users. Configure the web application to read the data from the existing S3 bucket. Implement access control directly in the application.
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
by Bhawesh at Feb. 17, 2023, 7:53 p.m.
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LuckyAro
Highly Voted 1 year, 4 months ago
Selected Answer: B
To reduce the cost associated with data transfers and maintain or improve performance, a solutions architect should use Amazon CloudFront, a content delivery network (CDN) service that securely delivers data, videos, applications, and APIs to customers globally with low latency and high transfer speeds. Deploying a CloudFront distribution with the existing S3 bucket as the origin will allow the company to serve the data to customers from edge locations that are closer to them, reducing data transfer costs and improving performance. Directing customer requests to the CloudFront URL and switching to CloudFront signed URLs for access control will enable customers to access the data securely and efficiently.
upvoted 10 times
...
awsgeek75
Highly Voted 5 months, 2 weeks ago
Selected Answer: B
A: Speeds uploads C: Increases the cost rather than reducing it D: Stopped reading after "Modify the web application..."
upvoted 7 times
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Ruffyit
Most Recent 7 months, 3 weeks ago
To reduce the cost associated with data transfers and maintain or improve performance, a solutions architect should use Amazon CloudFront, a content delivery network (CDN) service that securely delivers data, videos, applications, and APIs to customers globally with low latency and high transfer speeds.
upvoted 1 times
...
TariqKipkemei
9 months ago
Selected Answer: B
Technically both option B and C will work. But because cost is a factor then Amazon CloudFront should be the preferred option.
upvoted 1 times
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react97
9 months, 1 week ago
Selected Answer: B
B. 1. Amazon CloudFront caches content at edge locations -- reducing the need for frequent data transfer from S3 bucket -- thus significantly lowering data transfer costs (as compared to directly serving data from S3 bucket to customers in different regions) 2. CloudFront delivers content to users from the nearest edge location -- minimizing latency -- improves performance for customers A - focus on accelerating uploads to S3 which may not necessarily improve the performance needed for serving datasets to customers C - helps with redundancy and data availability but does not necessarily offer cost savings for data transfer. D - complex to implement, does not address data transfer cost
upvoted 5 times
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bdp123
1 year, 4 months ago
Selected Answer: B
https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/PrivateContent.html
upvoted 3 times
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Bhawesh
1 year, 4 months ago
Selected Answer: B
B. Deploy an Amazon CloudFront distribution with the existing S3 bucket as the origin. Direct customer requests to the CloudFront URL. Switch to CloudFront signed URLs for access control. https://www.examtopics.com/discussions/amazon/view/68990-exam-aws-certified-solutions-architect-associate-saa-c02/
upvoted 2 times
...

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