When configuring PPP over ATM, what configuration command determines which virtual router’s
RADIUS server will authenticate a client’s login?
A.
radius authentication server 10.13.7.55
B.
radius update-source-address 10.13.7.11
C.
aaa domain-map isp1.com default loopback 1
D.
aaa subcriber authentication-server 10.13.7.55
Explanation: