单项选择题
A.DHCP assigned addresses
B.RADIUS assigned addresses
C.IP numbered with a loopback reference
D.IP unnumbered with a loopback reference
单项选择题 Which configuration command allows the router to utilize a RADIUS server to authenticate incoming Telnet users?（）
单项选择题 What is the purpose of the magic number in an LCP negotiation?（）
单项选择题 Which software process sorts client login requests and assigns them to a virtual router for RADIUS service?（）