Question

In OSPF Neighbor States, DR & BDR are fully synchronized. A router will periodically send Hello packets to its neighbors to indicate that it is still functional.

a) Down
b) Init
c) 2-Way
d) Exstart
e) Exchange
f) Loading
g) Full

Answer 1

In OSPF, when DR and BDR are fully synchronized, they are in the 'Full' state, indicating they have a complete understanding of each other's databases, allowing for efficient data routing. OSPF routers send Hello packets to maintain this full adjacency and confirm functionality.

Step-by-step explanation:

The subject of this question is the Open Shortest Path First (OSPF) protocol, specifically focusing on the OSPF Neighbor States in the context of dynamic routing in computer networks. The question is asking about the OSPF state in which Designated Router (DR) and Backup Designated Router (BDR) are fully synchronized, and also references the practice where a router sends Hello packets to its neighbors to indicate it is still functional.

The correct answer to this question is g) Full. In the Full state, OSPF neighbors have completed their adjacency and have synchronized their topology databases. The state indicates that two OSPF routers have full knowledge of each other's link-state database (LSDB) and are fully adjacent, which allows for the efficient routing of data. This is the ultimate goal of the OSPF Neighbor Discovery Process. The exchange of Hello packets keeps the relationship between OSPF neighbors alive and confirms that all routers on a particular segment are still functional.