A router needs to be configured to route within OSPF area 0. Which two commands are required to accomplish this? (Choose two.)
A. RouterA(config)# router ospf 0
B. RouterA(config)# router ospf 1
C. RouterA(config-router)# network 192.168.2.0 0.0.0.255 0
D. RouterA(config-router)# network 192.168.2.0 0.0.0.255 area 0
E. RouterA(config-router)# network 192.168.2.0 255.255.255.0 0