As shown in the figure, regarding the active/standby mode of the dual-system hot backup solution, which of the following statements is wrong?

A . VRRP can be applied to active/standby backup and load sharing
B. The selection of dual-system hot backup master and backup devices is consistent with the selection of VRRP group master and backup devices
C. The active/standby status of the HSB active/standby backup group is consistent with the VRRP active/standby status
D. For the same AP associated with the active and standby ACs, the WLAN-related service configuration must be consistent. Otherwise, the normal operation of the AP cannot be guaranteed after the AC’s active and standby status is switched

Answer: A