OSPF Router A has interfaces in Area 0, Area 1, and Area 3. OSPF Router B has interfaces
in Area 0 and Area 4. OSPF Router C has interfaces in Area 0 and Area 5. For which OSPF
areas will Router A maintain a link state database? (Choose all that apply)

A.
OSPF Area 1

B.
OSPF Area 3

C.
OSPF Area 4

D.
OSPF Area 5

E.
OSPF Area 0