Which of the following is a feature of Cognito User Pools?

Cognito User Pools is a feature provided by AWS that facilitates user authentication and management for your applications. One of its key capabilities is the ability to verify users' email addresses and phone numbers. This verification process ensures that the information provided by users during registration is valid and allows the application to send confirmation messages to users. This feature enhances security and helps in user account management by making sure that credentials associated with an account are legitimate and that users can regain access to their accounts if they forget their passwords.

In the context of user pools, email and phone number verification plays a crucial role in establishing trust and ensuring that user accounts are secured against unauthorized access. By verifying contact information, applications can send one-time passwords (OTPs) or verification links, which adds an additional layer of security.

Other features mentioned, such as dynamic resource allocation, CI/CD pipeline management, and automated security audits, are not specific to Cognito User Pools. They pertain to broader AWS capabilities or services, but do not directly relate to the functionality provided by Cognito User Pools in user management and authentication.