单项选择题
Which attribute is required for all IKE phase 2 negotiations？（）
A.proxy-ID
B.preshared key
C.Diffie-Hellman group key
D.main or aggressive mode
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相关考题
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单项选择题
TwoVPNpeersarenegotiatingIKEphase1usingmainmode.Whichmessagepairinthenegotiation containsthephase1proposalforthepeers？（）
A.message 1 and 2
B.message 3 and 4
C.message 5 and 6
D.message 7 and 8 -
单项选择题
WhichoperationalmodecommanddisplaysallactiveIPsecphase2securityassociations？（）
A.show ike security-associations
B.show ipsec security-associations
C.show security ike security-associations
D.show security ipsec security-associations -
多项选择题
RegardinganIPsecsecurityassociation（SA），whichtwostatementsaretrue？（）
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.
