A. An OSPF Hello has not been received from the neighbor.

B. The router ID is the same on both routers.

C. OSPF is not enabled on one of the routers.

D. The MTU does not match on both interfaces.

E. The interfaces are configured as point-to-point on one side and broadcast on the other.

A. Only one SAP is required for a service that originates and terminates on the same Nokia 7750 SR.

B. SAPs can have QoS policies assigned to them.

C. Multiple SAPs can be defined on the same port.

D. SAPs can be defined on Ethernet, POS, Sonet/SDH, or TDM channels.

A. The interface type settings differ, but OSPF will still operate correctly.

B. Metric values differ, but this does not prevent OSPF operation.

C. The system interface is missing in one configuration so OSPF will not operate correctly.

D. Both routers will generate OSPF Hello packets.

A. They are type 5 within the area and are not modified at the ABR

B. They are type 7 within the area and converted to type 5 at the ABR

C. They are type 7 within the area and are not modified at the ABR

D. They are type 5 within the area and converted to type 3 at the ABR

A. Not so stubby areas

B. Level1 area WC

C. Partially stubby areas

D. Level 2 areas

E. Stub areas