Exam AWS Certified Developer - Associate DVA-C02 topic 1 question 101 discussion

https://docs.aws.amazon.com/cognito/latest/developerguide/cognito-user-identity-pools.html

Amazon Cognito user pools provide user identity management and authentication for your application. They allow you to create and maintain a user directory, and you can enable social identity providers like Facebook, Google, or Amazon to allow users to register and log in using their social media accounts. This service is specifically designed for user management and authentication scenarios like the one described. Option B, "Amazon Cognito identity pools," is more focused on providing temporary AWS credentials for users to access AWS services securely after they have been authenticated through a user pool.

B is wrong. While identity pools also support federated identities, they are primarily used for granting AWS credentials to authenticated users. They are less focused on user management within the application itself.

The best answer is B Amazon Cognito Identity Pool

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C is the correct answer.

B is the correct answer.

Option B: Amazon Cognito identity pools Amazon Cognito identity pools (also known as federated identities) enable you to create unique identities for your users and authenticate them with identity providers. With identity pools, your users can obtain temporary AWS credentials to access AWS services. This service supports authentication through social identity providers such as Amazon, Facebook, Google, and also supports unauthenticated identities.

c Amazon Cognito user pools provide user identity management and authentication for your application.

B. Amazon Cognito identity pools: Amazon Cognito identity pools (also known as Federated Identities) enable you to create unique identities for your users and authenticate them with identity providers, including social media platforms like Facebook, Google, Amazon, and Apple. With identity pools, you can grant your users access to other AWS services. They are designed to handle scenarios where users can sign in through a third-party identity provider or use guest access.

For creating an application where new users can create accounts and register using their social media accounts, Amazon Cognito is the most suitable service. Specifically, you'd want to use Amazon Cognito User Pools. Amazon Cognito User Pools support sign-ins using social identity providers like Facebook, Google, and Amazon, as well as enterprise identity providers via SAML 2.0. With a user pool, you can create a fully managed user directory to enable user sign-up and sign-in, as well as handle password recovery, user verification, and other user management tasks.

The answer is (B). Amazon Cognito identity pools is a managed service that provides user sign-in and identity management for your web and mobile applications. It supports social sign-in with a variety of providers, including Amazon, Facebook, Google, and Twitter.

You can't register using Identity Pool. It lets you authenticate with provided identification pools.

https://medium.com/wolox/integrating-social-media-to-your-app-with-aws-cognito-8943329aa89b

Key word is registration using their social media accounts