Refer to the exhibit. A network associate has configured OSPF with the command:
City(config-router)# network 192.168.12.64 0.0.0.63 area 0
After completing the configuration, the associate discovers that not all the interfaces are participating in OSPF. Which three of the interfaces shown in the exhibit will participate in OSPF according to this configuration statement?
  • 1、
【正确答案】 1、B,C,D    
【答案解析】考点,考查ospf network 命令中反掩码的特性。192.168.12.64 0.0.0.63,相当于通告了192.168.12.64/26的网络,这个网络的范围:192.168.12.64--192.168.127/26
综上所述,BCD。