Decide whether the following statement is correct: A mobile application that obtains Azure AD access tokens using the OAuth 2.0 implicit grant must be registered in Azure AD and requires a redirect URI for registration. If the statement is correct, select 'No adjustment required'; otherwise select the correction.

The statement is correct. Mobile applications using the OAuth 2.0 implicit grant flow for obtaining Azure AD access tokens must be registered in Azure AD. This registration process requires specifying a redirect URI, which is where Azure AD sends the access token after successful authentication. The implicit grant flow is typically used by single-page applications (SPAs) and mobile apps where a confidential client secret cannot be securely stored. Incorrect options: a secret: The implicit grant flow does not involve a client secret because the client (mobile app) is considered public and cannot securely store secrets. a login hint: A login hint is an optional parameter used to pre-fill the username field during authentication, not a mandatory registration requirement. a client ID: While a client ID is always required for any application registration, the statement specifically asks about the additional requirement of a redirect URI for the implicit grant flow, which is also true. The statement doesn't deny the need for a client ID.