I think the key is that the firewall needs to be on a separate network from the main one, and load-sharing is a valid redundancy option. The other choices just seem like a jumble of random networking concepts.
D) The firewall service interface works under the networking condition of Layer 3, uplink and downlink connecting routers You cannot use load-sharing groups.
A) Under the condition that the firewall service interface works at Layer 2 and connects the router upstream and downstream It is recommended to use a staff-sharing network.
D) The firewall service interface works under the networking condition of Layer 3, uplink and downlink connecting routers You cannot use load-sharing groups.
C) The firewall service interface works in the case of three-layer, uplink and downlink connection to the router You can use primary/standby networking.
B) Under the condition that the firewall service interface works at Layer 2 and connects the switch upstream and downstream Support staff sharing networking
A) Under the condition that the firewall service interface works at Layer 2 and connects the router upstream and downstream It is recommended to use a staff-sharing network.
B) Under the condition that the firewall service interface works at Layer 2 and connects the switch upstream and downstream Support staff sharing networking.
A) Under the condition that the firewall service interface works at Layer 2 and connects the router upstream and downstream It is recommended to use a staff-sharing network.
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