Refer to the exhibit. Which sequence of commands should be used to configure router A for OSPF?

Question:
Refer to the exhibit. Which sequence of commands should be used to configure router A for OSPF?
[caption id="attachment_64762" align="aligncenter" width="452"] i386046n1v2.gif[/caption]
router ospf 1
network 192.168.10.0 area 0

router ospf 1
network 192.168.10.0

router ospf 1
network 192.168.10.64 255.255.255.192
network 192.168.10.192 255.255.255.252

router ospf 1
network 192.168.10.64 0.0.0.63 area 0
network 192.168.10.192 0.0.0.3 area 0

Exam with this question: Enterprise Networking, Security, and Automation ( Version 7.00) - ENSA Final Exam