正解:C
The Python function shown in the exhibit performs the following operations:
* It defines a function get_result().
* Inside the function, it sets the url variable to the Cisco DNA Center (DNAC) API endpoint for authentication tokens.
* It makes a POST request to the specified URL with HTTP Basic Authentication using the credentials DNAC_USER and DNAC_PASSWORD.
* The response from the POST request is expected to be in JSON format.
* It extracts the value associated with the key 'Token' from the JSON response.
* Finally, it returns this token.
This function's purpose is to obtain and return an authorization token from the Cisco DNA Center API, which can be used for subsequent API requests.
Reference: Cisco DevNet - DNA Center Platform APIs