LearnNetwork

Question 1 of 3

Which OSPF area is the mandatory backbone?

Area 1Area 0 (0.0.0.0)Any area, configurableArea 100

Question 2 of 3

On a broadcast Ethernet segment with 5 OSPF routers, how many full adjacencies does each router maintain?

1 (only with the DR)2 (with DR and BDR)4 (with all neighbors)5 (including itself)

Question 3 of 3

OSPF cost = reference-bandwidth / interface-bandwidth. With default reference (100 Mbps), what is the cost of a 1 Gbps link?

101 (floored to 1)0.1100

OSPF — the link-state workhorse — Quiz