Which of the following statements about WLAN hot backup is wrong?

Which of the following statements about WLAN hot backup is wrong?
A . When configuring VRRP hot backup, you can determine the priority of the AC device by configuring the priority of VRRP
B . To configure VRRP hot standby, the active and standby AC must be on the same Layer 2 network
C . In dual-link hot standby, the active and standby AC can be in different Layer 2 networks and can be backed up through Layer 3 intercommunication.
D . In dual-link hot backup, the priority of the active and standby AC can be configured to be the same to achieve backup in load sharing mode

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Answer: C