Topic 1 Question 150
2 つ選択A company in France uses Amazon Cognito with the Cognito Hosted UI as an identity broker for sign-in and sign-up processes. The company is marketing an application and expects that all the application’s users will come from France.
When the company launches the application, the company’s security team observes fraudulent sign-ups for the application. Most of the fraudulent registrations are from users outside of France.
The security team needs a solution to perform custom validation at sign-up. Based on the results of the validation, the solution must accept or deny the registration request.
Which combination of steps will meet these requirements?
Create a pre sign-up AWS Lambda trigger. Associate the Amazon Cognito function with the Amazon Cognito user pool.
Use a geographic match rule statement to configure an AWS WAF web ACL Associate the web ACL with the Amazon Cognito user pool.
Configure an app client for the application's Amazon Cognito user pool. Use the app client ID to validate the requests in the hosted UI.
Update the application’s Amazon Cognito user pool to configure a geographic restriction setting.
Use Amazon Cognito to configure a social identity provider (IdP) to validate the requests on the hosted UI.
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- 正解だと思う選択肢: AB👍 5aescudero512024/05/29
- 正解だと思う選択肢: AD
The correct answers are A and D.
A: Creating a pre sign-up AWS Lambda trigger and associating it with the Amazon Cognito user pool will allow the security team to perform custom validation at sign-up. This Lambda function can be used to check the geographic location of the sign-up request and accept or deny the request based on whether it comes from France.
D: Updating the application’s Amazon Cognito user pool to configure a geographic restriction setting will help to ensure that only users from France can sign up for the application. This setting can be used to block sign-up requests that come from outside of France. This is a straightforward way to prevent fraudulent sign-ups from users outside of France. However, it’s important to note that this method might not be 100% effective if the fraudulent users are using VPNs or other methods to appear as though they are in France. Therefore, it’s a good idea to also use the Lambda trigger for additional validation.
👍 1Certified1012024/05/19 A, C correct
👍 1sema22322024/06/12
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