| 1: | What is an OSPF neighbor? |
| 2: | What is an OSPF adjacency ? |
| 3: | What are the five OSPF packet types? What is the purpose of each type? |
| 4: | What is an LSA? How does an LSA differ from an OSPF Update packet? |
| 5: | What are LSA types 1 to 5 and LSA type 7? What is the purpose of each type? |
| 6: | What is a link state database? What is link state database synchronization? |
| 7: | What is the default HelloInterval? |
| 8: | What is the default RouterDeadInterval? |
| 9: | What is a Router ID? How is a Router ID determined? |
| 10: | What is an area? |
| 11: | What is the significance of area 0? |
| 12: | What is MaxAge? |
| 13: | What are the four OSPF router types? |
| 14: | What are the four OSPF path types? |
| 15: | What are the five OSPF network types? |
| 16: | What is a Designated Router? |
| 17: | How does a Cisco router calculate the outgoing cost of an interface? |
| 18: | What is a partitioned area? |
| 19: | What is a virtual link? |
| 20: | What is the difference between a stub area, a totally stubby area, and a not-so-stubby area? |
| 21: | What is the difference between OSPF network entries and OSPF router entries? |
| 22: | Why is type 2 authentication preferable over type 1 authentication? |
| 23: | Which three fields in the LSA header distinguish different LSAs? Which three fields in the LSA header distinguish different instances of the same LSA? |