Salesforce Certified Identity and Access Management Practice Exam 2025 – All-in-One Guide to Exam Success!

The OAuth 2.0 Username and Password flow involves the consumer using the user's username and password to directly request an access token (session ID) from the authorization server, in this case, Salesforce. This flow is commonly used for trusted applications where the user is able to provide their credentials directly to the application, such as in a server-side application. The correct answer, which is Option A, outlines this important step of the process.

Options B, C, and D do not accurately describe the steps involved in the OAuth 2.0 Username and Password flow. Option B refers to a generic response being sent back to the client, without focusing on the direct retrieval of an access token using the user's credentials. Option C talks about how a consumer can use an access token to access Salesforce data, which is a step after obtaining the token but not the initial step of using the username and password. Option D does not reflect the Username and Password flow but instead seems to refer to a different scenario where a web server accesses a user's data after a token is granted.