Regarding the cause of the dual-master failure of the VRRP backup group, which of the following is the most unlikely

Regarding the cause of the dual-master failure of the VRRP backup group, which of the following is the most unlikely
A . The VRRP backup group configurations on both ends are inconsistent
B . The link that transmits the VRRP notification message is faulty
C . The low-priority VRRP backup group discards the received VRRP notification packets as illegal packets
D . Master device sends 1 notification message per second

View Answer

Answer: D