As long as network communication is not lost, no change will occur.

Nothing. Failover due to loss of voltage will not occur if the voltage is lost for less than ten seconds.

When the cable is disconnected, both systems will become active. When the voltage is restored, unit two will revert to standby mode.

When the cable is disconnected, both systems will become active. When the voltage is restored, both systems will maintain active mode.

That support is never available.

The virtual server must be enabled for both VLANs.

The virtual server must be enabled on the internal VLAN.

The virtual server must be enabled on the external VLAN.

tmsh create /net trunk trunk_A interfaces add {1.3.1.4}

tmsh create/sys trunk trunk_A interfaces add {1.3.1.4}

tmsh modify/sys trunk trunk^A interfaces add {1.3.1.4}

tmsh modify /net trunk trunk_A interfaces add {1.3.1.4}