Exam AWS Certified Solutions Architect - Associate SAA-C02 topic 1 question 253 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C02

Question #: 253
Topic #: 1

[All AWS Certified Solutions Architect - Associate SAA-C02 Questions]

A company provides an API to its users that automates inquiries for tax computations based on item prices. The company experiences a larger number of inquiries during the holiday season only that cause slower response times. A solutions architect needs to design a solution that is scalable and elastic.
What should the solutions architect do to accomplish this?

A. Provide an API hosted on an Amazon EC2 instance. The EC2 instance performs the required computations when the API request is made.
B. Design a REST API using Amazon API Gateway that accepts the item names. API Gateway passes item names to AWS Lambda for tax computations.
C. Create an Application Load Balancer that has two Amazon EC2 instances behind it. The EC2 instances will compute the tax on the received item names.
D. Design a REST API using Amazon API Gateway that connects with an API hosted on an Amazon EC2 instance. API Gateway accepts and passes the item names to the EC2 instance for tax computations.

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Suggested Answer: B 🗳️

by sctmp at Nov. 3, 2020, 2:58 a.m.

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sctmp

Highly Voted 3 years, 8 months ago

A. This isn't a scalable and elastic option. B. Sounds about right, Api Gateway is scalable, and elastic, same as Lambda. C. How is this elastic? We need an ASG. D. It doesn't have elasticity or scalability.

upvoted 64 times

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