OSPF Sim

[BManager]

I am trying to understand from the sim why you would include the command "network 192.168.2.4 0.0.0.3 area 0?

Configuration for Bravo

Bravo#config t
Bravo(config)#int s0/0
Bravo(config-if)#ip address 192.168.2.6 255.255.255.252
Bravo(config-if)#int s0/1
Bravo(config-if)#ip address 192.168.1.6 255.255.255.252
Bravo(config-if)#exit
Bravo(config)#router ospf 1
Bravo(config-router)#network 192.168.2.4 0.0.0.3 area 0
Bravo(config-router)#network 192.168.1.4 0.0.0.3 area 1
Bravo(config-router)#area 1 stub no-summary
Bravo(config-router)#^z
Bravo#