Which configuration command causes a PPPoE subscriber to be connected to a captive portal?（）

A. radius update-source-address
B. radius calling-station-format
C. radius accounting server 10.13.7.55
D. radius authentication server 10.13.7.55

A. show radius
B. show aaa domain-map
C. show aaa statistics
D. show radius authentication server

A. show users
B. show connected
C. show subscribers
D. show ip subscribers