OSPF Configuration Quiz

What you'll be asked

1. Which OSPF area is specifically designed to be the backbone of the network and must always be present in a multi-area OSPF design?
2. Two OSPF routers are failing to form an adjacency. You notice their 'Hello' and 'Dead' interval timers do not match. What is the result of this mismatch?
3. In an OSPF multi-access network (like Ethernet), which router is responsible for maintaining the Link State Database (LSDB) synchronization and sending updates to all other routers in the segment?
4. When configuring OSPF, what is the purpose of the 'passive-interface' command?
5. A network engineer is troubleshooting an OSPF issue where routes from Area 1 are not appearing in the routing table of a router in Area 2. Assuming all physical connectivity is correct, what is the most likely cause?

Answers and explanations come after you submit.