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?

A.
au1

B.
au2

C.
au1 will be used. When au1 is deleted, users will use au2

D.
au2 will be used. When au2 is deleted, users will use au1

Explanation: