[Solved] Given this OAuth 2.0 flow snippet:1. Client requests authorization code2. User grants permission3. Client exchanges code for token4. Client uses token to access resourceWhat is the purpose of step 3? | Rest API

Rest API - Authentication and Authorization

Given this OAuth 2.0 flow snippet:

1. Client requests authorization code
2. User grants permission
3. Client exchanges code for token
4. Client uses token to access resource

What is the purpose of step 3?

ATo obtain an access token

BTo get user credentials

CTo refresh the access token

DTo revoke the authorization

Step-by-Step Solution

Solution:

Step 1: Understand step 3 in OAuth 2.0
Step 3 is when the client exchanges the authorization code for an access token.
Step 2: Match purpose to options
Only To obtain an access token correctly describes this step's purpose.
Final Answer:
To obtain an access token -> Option A
Quick Check:
Step 3 = get access token [OK]

Quick Trick: Exchange code for token in step 3 [OK]

Common Mistakes:

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