某台路由器输出信息如下，下列说法正确的是？ <R1>display ospf interface GigabitEthernet 0/0/0 OSPF Process 1 with Router ID 10.1.1.1 Interface: 10.1.12.1(GigabitEthernet 0/0/0) Cost:1 State:DR Type:Broadcast MTU:1500 Priority:1 Designated Router:10.1.12.1 Backup Designated Router:10.1.12.2 Timers:Hello 10, Dead 40, Poll 120, Retransmit 5, Transmit Delay 1