Refer to the configuration output. RTA has been configured using AAA as shown, and associated with the
“huawei” domain. For users in the huawei domain, which authentication-scheme will be used?

Which authentication modes does AAA support? (Choose three).

Which of the following authentication methods are supported for Telnet users? (Choose three)

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)