- summarizing routes between areas
- dissemination of LSAs
- maintaining the link-state database
- redistribution of external routes into OSPF
Explanation: OSPF designated routers are elected on multiaccess networks to disseminate LSAs to other OSPF routers. By having a single router disseminate LSAs, the exchanging of LSAs is more efficient.
More Questions: CCNA 3 (v5.0.3 + v6.0) Chapter 8 Exam Answers