To achieve round-trip traffic load balancing, at least how many VRRP backup groups need to be configured in this scenario?

As shown in the figure, the firewall is deployed as a gateway dual-machine hot standby, and the upstream and downstream devices are switches.

To achieve round-trip traffic load balancing, at least how many VRRP backup groups need to be configured in this scenario?
A . 4
B . 6
C . 2
D . 3

View Answer

Answer: C