Exhibit

Based on the information above, which OSPF configurations listed are valid? (Select two)

A.
router Certkiller A
router ospf 1
network 14.0.0.0.0.255.255.255 area 0
router Certkiller B
router ospf 1
network 14.0.0.0.0.255.255.255 area 0

B.
router Certkiller A
router ospf 1
network 14.1.1.0.0.0.0.255 area 0
router Certkiller B
router ospf 2
network 14.1.1.0.0.0.0.255 area 0

C.
router Certkiller A
router ospf 1
network 14.0.0.0.0.0.255.255 area 0
router Certkiller B
router ospf 1
network 14.1.0.0.0.0.0.255 area 0

D.
router Certkiller A
router ospf 1
network 14.1.1.0.0.0.0.255 area 1
router Certkiller B
router ospf 1
network 14.1.0.0.0.0.255.255 area 0