A company wants a design that would support OSPF through a service provider ATM network. Which two OSPF network types should the designer use to establish OSPF neighborship between OSPF routers through the ATM network? (Choose two.)
A. A broadcast network will always work through ATM networks.
B. A broadcast network will work when the broadcast support is explicitly configured at the ATM network.
C. Explicit neighbor statements are required when a nonbroadcast network is configured.
D. Explicit neighbor statements are required when a point-to-multipoint network is configured.
E. A nonbroadcast network does not require DR selection.
