Answer:
Option D is correct.
Explanation:
While the customer implements the wireless connectivity system for his network. Usually, there are the following network access servers, with such an additional node, RA3, installed as just a RADIUS server. They have to setup RA1 as well as RA2 to move authorization demands to RA3.
Then he's expected to operate Routing and Wireless Access on RA1 as well as RA2. Change the application property and customize that all together RA3 for authorization.
Thus, the following are the reason that describes the other options are incorrect according to the scenario.