多项选择题
Which two configuration elements are required for a route-based VPN？（）
A.secure tunnel interface B.security policy to permit the IKE traffic C.a route for the tunneled transit traffic D.tunnel policy for transit traffic referencing the IPsec VPN
单项选择题 Regardingaroute-basedversuspolicy-basedIPsecVPN，whichstatementistrue？（）
单项选择题 Apolicy-basedIPsecVPNisidealforwhichscenario？（）
单项选择题 Aroute-basedVPNisrequiredforwhichscenario？（）
