找考题网-背景图
单项选择题

Two islands of IPv6 networks that are running ISIS (IPv6 IGP) must be connected using a tunnel over anIPv4 network. Which tunneling method can be used to achieve this goal?()

A.GRE tunnels
B.automatic 6 to 4 tunnels
C.ISATAP tunnels
D.manual tunnels (RFC 2893)

热门试题