单项选择题
A.proxy-ID B.preshared key C.Diffie-Hellman group key D.main or aggressive mode
TwoVPNpeersarenegotiatingIKEphase1usingmainmode.Whichme...
单项选择题Two VPN peers are negotiating IKE phase 1 using main mode. Which message pair in the negotiation contains the phase 1 proposal for the peers？（）
A.message 1 and 2 B.message 3 and 4 C.message 5 and 6 D.message 7 and 8
WhichoperationalmodecommanddisplaysallactiveIPsecphase2...
单项选择题Which operational mode command displays all active IPsec phase 2 security associations？（）
A.show ike security-associations B.show ipsec security-associations C.show security ike security-associations D.show security ipsec security-associations
RegardinganIPsecsecurityassociation（SA），whichtwostateme...
多项选择题Regarding an IPsec security association （SA）， which two statements are true？（）
A.IKE SA is bidirectional. B.IPsec SA is bidirectional. C.IKE SA is established during phase 2 negotiations. D.IPsec SA is established during phase 2 negotiations.
