aboutVGMPIn a description of group management, which of the following is false?
A. VRRPbackup group master/All standby status changes need to be notified to theVGMPmanagement group
B. The interface types and numbers of the heartbeat ports of the two firewalls can be different, as long as the Layer 2 interoperability can be guaranteed.
C. Active and standby firewallsVGMPtimed starthellomessage
D. The active and standby devices learn about the status of each other through the exchange of heartbeat messages, and back up related commands and status information.
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