A.32

B.8

C.16

D.24

A.Point-to-point

B.Star

C.Virtual link

D.Transit

A.The metric of an external route is the sum of the AS external metric and the AS internal metric.

B.The effects of setting Forwarding Address to a non-zero value is that the next hop of the external route imported into OSPF is within the OSPF routing area.

C.The Type-2 external metric uses only the AS external metric.

D.The Type-1 external metric is the sum of the external metric and the internal cost to reach an ASBR.

A.ASE-LSAs describe the route to an external AS and are flooded to an external AS.

B.The Type-1 external metrics include only the AS external metric.

C.ASBR-Summary-LSAs describe the route to an ASBR and are flooded within an AS.

D.AS-external-LSAs do not belong to any particular OSPF area,

A.The Advertising Router field specifies the Router ID of an ASBR.

B.The Net mask field specifies the network mask of an advertised destination.

C.The Link State ID together with Advertising Router fields are used to uniquely identify an AS-external-LSA.

D.The Link State ID field specifies the network segment address of an advertised destination.