An administrator currently manages AR2200 devices in the network through a single password, however the company wishes to introduce another two administrators a...

An administrator currently manages AR2200 devices in the network through a single password, however the company wishes to introduce another two administrators and provide unique user credentials and privilege levels for telnet access to the network devices.What action can be taken? (Choose three)

A. Configure three users under the AAA-view, and assign each a different password. B. The authentication mode must be changed to AAA. C. Each administrator must be assigned a privilege level. D. A public IP address must be assigned to each user for telnet access