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Exam AWS Certified Solutions Architect - Associate SAA-C03 topic 1 question 541 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C03
Question #: 541
Topic #: 1
[All AWS Certified Solutions Architect - Associate SAA-C03 Questions]

A company wants to build a web application on AWS. Client access requests to the website are not predictable and can be idle for a long time. Only customers who have paid a subscription fee can have the ability to sign in and use the web application.

Which combination of steps will meet these requirements MOST cost-effectively? (Choose three.)

  • A. Create an AWS Lambda function to retrieve user information from Amazon DynamoDB. Create an Amazon API Gateway endpoint to accept RESTful APIs. Send the API calls to the Lambda function.
  • B. Create an Amazon Elastic Container Service (Amazon ECS) service behind an Application Load Balancer to retrieve user information from Amazon RDS. Create an Amazon API Gateway endpoint to accept RESTful APIs. Send the API calls to the Lambda function.
  • C. Create an Amazon Cognito user pool to authenticate users.
  • D. Create an Amazon Cognito identity pool to authenticate users.
  • E. Use AWS Amplify to serve the frontend web content with HTML, CSS, and JS. Use an integrated Amazon CloudFront configuration.
  • F. Use Amazon S3 static web hosting with PHP, CSS, and JS. Use Amazon CloudFront to serve the frontend web content.
Show Suggested Answer Hide Answer
Suggested Answer: ACE 🗳️
by alexandercamachop at June 7, 2023, 10:14 p.m.
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manOfThePeople
Highly Voted 1 year, 6 months ago
If in doubt between E or F. S3 doesn't support server-side scripts, PHP is a server-side script. The answer is ACE. https://docs.aws.amazon.com/AmazonS3/latest/userguide/WebsiteHosting.html
upvoted 21 times
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msdnpro
Highly Voted 1 year, 8 months ago
Selected Answer: ACE
Option B (Amazon ECS) is not the best option since the website "can be idle for a long time", so Lambda (Option A) is a more cost-effective choice. Option D is incorrect because User pools are for authentication (identity verification) while Identity pools are for authorization (access control). Option F is wrong because S3 web hosting only supports static web files like HTML/CSS, and does not support PHP or JavaScript.
upvoted 10 times
0628atv
1 year, 8 months ago
https://aws.amazon.com/getting-started/projects/build-serverless-web-app-lambda-apigateway-s3-dynamodb-cognito/module-1/?nc1=h_ls
upvoted 3 times
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Gape4
Most Recent 8 months, 2 weeks ago
Selected Answer: ACE
I will go for A C E
upvoted 2 times
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awsgeek75
1 year, 1 month ago
Selected Answer: ACE
A: App may be idle for long time so Lambda is perfect (charge per invocation) C: Cognito user pool for user auth E: Amplify is low code web dev tool B: Wrong, too much cost when idle D: Identity pool is session management/identification. Does not help with auth. F: S3 + PHP doesn't work also no security
upvoted 3 times
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rcptryk
1 year, 3 months ago
Selected Answer: ACE
https://docs.aws.amazon.com/AmazonS3/latest/userguide/WebsiteHosting.html S3 doesn't support server-side scripting
upvoted 2 times
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potomac
1 year, 4 months ago
Selected Answer: ACE
User Pool = authentication Identity Pool = authorization
upvoted 7 times
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thanhnv142
1 year, 4 months ago
A D F: A: for hosting the dynamic content of the app. Pay as execution D: for granting temporary privilege access to users who has paid a fee. F: for hosting the static content of the app
upvoted 1 times
awsgeek75
1 year, 1 month ago
There is no static content in this web application so F is wrong. You cannot host PHP on S3 also so it is just wrong.
upvoted 2 times
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kwang312
1 year, 5 months ago
Selected Answer: ACE
ACE is correct answer
upvoted 3 times
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Guru4Cloud
1 year, 6 months ago
Selected Answer: CEF
C) Create an Amazon Cognito user pool to authenticate users. E) Use AWS Amplify to serve the frontend web content with HTML, CSS, and JS. Use an integrated CloudFront configuration. F) Use Amazon S3 static web hosting with PHP, CSS, and JS. Use Amazon CloudFront to serve the frontend web content.
upvoted 1 times
awsgeek75
1 year, 1 month ago
There is no static content in this web application so F is wrong. You cannot host PHP on S3 also so it is just wrong.
upvoted 2 times
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TariqKipkemei
1 year, 7 months ago
Selected Answer: ACE
Build a web application = AWS Amplify Sign in users = Amazon Cognito user pool Traffic can be idle for a long time = AWS Lambda Amazon S3 does not support server-side scripting such as PHP, JSP, or ASP.NET. https://docs.aws.amazon.com/AmazonS3/latest/userguide/WebsiteHosting.html?icmpid=docs_amazons3_console#:~:text=website%20relies%20on-,server%2Dside,-processing%2C%20including%20server Traffic can be idle for a long time = AWS Lambda
upvoted 2 times
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james2033
1 year, 7 months ago
Selected Answer: ACE
Use exclusion method: No need for Container (no need run all time), remove B. PHP cannot run with static Amazon S3, remove F. Use selection method: Idle for sometime, choose AWS Lambda, choose A. “Amazon Cognito is an identity platform for web and mobile apps.” (https://docs.aws.amazon.com/cognito/latest/developerguide/what-is-amazon-cognito.html ), choose C. Create an identity pool https://docs.aws.amazon.com/cognito/latest/developerguide/tutorial-create-identity-pool.html . AWS Amplify https://aws.amazon.com/amplify/ for build full-stack web-app in hours.
upvoted 6 times
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baba365
1 year, 7 months ago
Ans: ACF use AWS SDK for PHP/JS with S3 https://docs.aws.amazon.com/sdk-for-php/v3/developer-guide/php_s3_code_examples.html
upvoted 1 times
unbendable
1 year, 4 months ago
did you actually read the link or just copy the first link from google here? the sdk is intended for usage in a php application. it does not say anything about php support in a s3 bucket
upvoted 2 times
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Zox42
1 year, 8 months ago
Selected Answer: ACE
Answer is ACE
upvoted 2 times
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jaydesai8
1 year, 8 months ago
Selected Answer: ACE
Lambda =serverless User Pool = For user authentication Amplify = hosting web/mobile apps
upvoted 3 times
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live_reply_developers
1 year, 8 months ago
Selected Answer: ACE
S3 doesn't support PHP as stated in answer F. https://docs.aws.amazon.com/AmazonS3/latest/userguide/WebsiteHosting.html
upvoted 4 times
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wRhlH
1 year, 8 months ago
Selected Answer: ACE
I don't think S3 can handle anything dynamic such as PHP. So I go for ACE
upvoted 2 times
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antropaws
1 year, 8 months ago
Selected Answer: ACF
ACF no doubt. Check the difference between user pools and identity pools.
upvoted 2 times
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