Developing Applications Using Cisco Core Platforms and APIs (DEVCOR) — Question 391

What is the first step in the OAuth2 Authorization code grant flow?

Answer options

• A. Mutual authentication between client and server.
• B. Request authorization from the resource owner.
• C. Receive an authorization code from the resource server.
• D. Authorization tokens are exchanged.

Correct answer: B

Explanation

The correct answer is B because the OAuth2 Authorization code grant flow begins with the client requesting authorization from the resource owner. The other options describe subsequent steps in the flow, such as mutual authentication (A), receiving the authorization code (C), and exchanging tokens (D), which occur after the initial request for authorization.