* Check the correct statements: R5 has been added to the network 192.168.100.0/24 in area 0 with priority 20, R5 takes immediately the role of DR, since it has the highest priority The DR/BDR election takes place on the networks 172.16.30.0/24, 172.16.31.0/24 router ospf 1 network 172.16.10.0 0.0.0.255 area 0 network 192.168.100.0 0.0.0.255 area 0 R1 should be configured with the following: The command" default-information originate" should be configure on R2 router in area 0, since it's attached to the internet. The command "show ip ospf database" on R1, will display under Net Link States area 0, the router-id 192.168.100.101 Knowing that the link cost between R3 and R7 is 648, the metric to reach 172.16.31.0/24 from R3 is 649. * Check the correct statements: R5 has been added to the network 192.168.100.0/24 in area 0 with priority 20, R5 takes immediately the role of DR, since it has the highest priority The DR/BDR election takes place on the networks 172.16.30.0/24, 172.16.31.0/24 router ospf 1 network 172.16.10.0 0.0.0.255 area 0 network 192.168.100.0 0.0.0.255 area 0 R1 should be configured with the following: The command" default-information originate" should be configure on R2 router in area 0, since it's attached to the internet. The command "show ip ospf database" on R1, will display under Net Link States area 0, the router-id 192.168.100.101 Knowing that the link cost between R3 and R7 is 648, the metric to reach 172.16.31.0/24 from R3 is 649