Go back to 642-637 - Securing Networks with Cisco Routers and Switches (SECURE) v1.0

Question :-

When implementing GET VPN, which of these is a characteristic of GDOI IKE?
GDOI IKE sessions are established between all peers in the network
GDOI IKE uses UDP port 500
Security associations do not need to linger between members once a group member has authenticated to the key server and obtained the group policy
Each pair of peers has a private set of IPsec security associations that is only shared between the two peers

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