What is the error state identified by this response code?

A 401 HTTP response code is returned when calling a REST API.

What is the error state identified by this response code?
A . The server cannot process the request as it has detected an issue in the request syntax or body.
B . The server accepted the request but the client is not authorized for this content.
C . The request has not been accepted because it requires authentication.
D . The server cannot find the requested resource because the path specified is incorrect.

Answer: C

Explanation:

Reference: https://blog.restcase.com/rest-api-error-codes-101/#:~:text=A%20401%20error%20response%20indicates,credentials%20or%20none%2 0at%20all.