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Exam AWS Certified Solutions Architect - Associate SAA-C03 topic 1 question 637 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C03
Question #: 637
Topic #: 1
[All AWS Certified Solutions Architect - Associate SAA-C03 Questions]

A solutions architect is designing a new service behind Amazon API Gateway. The request patterns for the service will be unpredictable and can change suddenly from 0 requests to over 500 per second. The total size of the data that needs to be persisted in a backend database is currently less than 1 GB with unpredictable future growth. Data can be queried using simple key-value requests.

Which combination ofAWS services would meet these requirements? (Choose two.)

  • A. AWS Fargate
  • B. AWS Lambda
  • C. Amazon DynamoDB
  • D. Amazon EC2 Auto Scaling
  • E. MySQL-compatible Amazon Aurora
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Suggested Answer: BC 🗳️
by potomac at Nov. 7, 2023, 2:26 a.m.
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potomac
Highly Voted 1 year, 9 months ago
Selected Answer: BC
B and C
upvoted 11 times
...
TariqKipkemei
Highly Voted 1 year, 8 months ago
Selected Answer: BC
Scalable, unpredictable request patterns = AWS Lambda Scalable, key-value data = Amazon DynamoDB
upvoted 11 times
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KennethNg923
Most Recent 1 year, 2 months ago
Selected Answer: BC
Auto Scaling cannot handle "suddenly from 0 requests to over 500 per second", use Lambda and Dynamo which for Key-value pair.
upvoted 2 times
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Phi143
1 year, 4 months ago
Why not AC? Size of the data has unpredictable future growth and Lambda may not be able to handle it.
upvoted 2 times
JA2018
8 months, 4 weeks ago
Lambda is fully managed by AWS, fully scalable to meet actual spikes in demand
upvoted 1 times
...
...
awsgeek75
1 year, 7 months ago
Selected Answer: BC
Unpredictable scaling of API load = Lambda + SPI Gateway Unpredictable growth of key/value DB = DynamoDB Fargate behind API requires EKS/ECS setup which is not suitable for 0-500 varying load. Same with EC2 autoscaling. Aurora MySQL is not ideal for key/value and is better suited for relational databases
upvoted 4 times
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Ashhher
1 year, 7 months ago
Selected Answer: BC
why not Fargate?
upvoted 3 times
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C (25%)
B (20%)
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