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Exam AWS Certified Solutions Architect - Associate SAA-C03 topic 1 question 792 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C03
Question #: 792
Topic #: 1
[All AWS Certified Solutions Architect - Associate SAA-C03 Questions]

An analytics company uses Amazon VPC to run its multi-tier services. The company wants to use RESTful APIs to offer a web analytics service to millions of users. Users must be verified by using an authentication service to access the APIs.

Which solution will meet these requirements with the MOST operational efficiency?

  • A. Configure an Amazon Cognito user pool for user authentication. Implement Amazon API Gateway REST APIs with a Cognito authorizer.
  • B. Configure an Amazon Cognito identity pool for user authentication. Implement Amazon API Gateway HTTP APIs with a Cognito authorizer.
  • C. Configure an AWS Lambda function to handle user authentication. Implement Amazon API Gateway REST APIs with a Lambda authorizer.
  • D. Configure an IAM user to handle user authentication. Implement Amazon API Gateway HTTP APIs with an IAM authorizer.
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️
by Andy_09 at Feb. 6, 2024, 8:52 a.m.
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stephensimudemy
Highly Voted 10 months, 1 week ago
Selected Answer: A
User pools is for Authentication and user management
upvoted 7 times
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sandordini
Highly Voted 7 months, 4 weeks ago
Selected Answer: A
User pools are for authentication. Your app users can sign in through the user pool, Identity pools are for authorization, give them access to other AWS services.
upvoted 6 times
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zdi561
Most Recent 4 months, 1 week ago
Selected Answer: A
When comparing operation efficiency, a Cognito authorizer in AWS API Gateway is generally considered more performant than a Lambda authorizer for basic authentication checks, as Cognito is a managed service optimized for user authentication, while a Lambda authorizer introduces an additional layer of processing with potential cold start overhead, making it better suited for complex, custom authorization logic. But Lambda is more flexible
upvoted 1 times
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[Removed]
9 months, 3 weeks ago
Selected Answer: A
user pool vs identity pool: https://repost.aws/knowledge-center/cognito-user-pools-identity-pools
upvoted 3 times
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NayeraB
10 months, 1 week ago
Selected Answer: B
B offers more operational efficiency imo
upvoted 2 times
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chefKC
10 months, 2 weeks ago
Answer is A
upvoted 2 times
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Andy_09
10 months, 3 weeks ago
Option A
upvoted 5 times
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