A.Incorrect subnet mask

B.System interface not included in OSPF

C.MTU mismatch

D.Router ID not defined

E.Different metric set on each end of the link

F.Area ID not the same

A.0

B.3

C.2

D.6

A.Router R1 needs to have an import policy added to it.

B.Router R1 needs to have an export policy added to it.

C.'asbr' is missing from router R1's configuration.

D.Router R5 does not have an export policy for these prefixes.

A.Path-ID uniquely identifies each path advertised to a neighbor.

B.Path-ID is an optional transitive attribute used to advertise multiple paths.

C.A BGP speaker that re-advertises a route must generate its own Path-ID.

D.Path-ID is a four-octet identifier pre-pended to the NLRI field of a BGP update.

A.The LDP session remains unchanged until the existing path R1-R2-R4-R6 goes down.

B.The LDP session remains unchanged until router R3 stops advertising the maximum metric for the link to router R6.

C.A new LDP session is established on R1-R3-R6 as soon as the FIB is updated.

D.A new LDP session is established on R1-R3-R6 as soon as router R1 receives a new label for router R6.