多项选择题
A.Provides stateful session failover for sessions.
B.Increases security capabilities for IPsec sessions.
C.Provides active-passive control and data plane redundancy.
D.Enables automated fast-reroute capabilities.
E.Synchronizes configuration files and session state
单项选择题 Regardingsecuretunnel（st）interfaces，whichstatementistrue？（）
单项选择题 Which command is needed to change this policy to a tunnel policy for a policy-based VPN？（） [edit security policies from-zone trust to-zone untrust] user@host# show policy tunnel-traffic { match { source-address local-net； destination-address remote-net； application any； then { permit； } }
多项选择题 Whichtwoconfigurationelementsarerequiredforapolicy-basedVPN？（）