A.A value of 1.

B.This must be administratively set as there is no default value.

C.Whatever the advertised metric happens to be.

D.A value of 15.

A.One for each of the external routes exported by router R1.

B.One for each of the routers in area 0

C.Type 4 LSAs are not generated in this network topology.

D.One.

A.Summary Router LSA

B.Summary Network LSA

C.Router LSA

D.Network LSA

A.The port field of the network layer address.

B.The protocol field of the transport layer header.

C.The protocol field of the network layer header.

D.The port field of the transport layer header.

A.System interface not included in OSPF

B.Area ID not the same

C.Router ID not defined

D.Different metric set on each end of the link

E.MTU mismatch

F.Incorrect subnet mask