IGP

OSPF Features

3.4 You are concerned about the convergence times and CPU resources consumed in the backbone OPSF area. Configure all routers in the backbone so that they only recalculate a portion of the Shortest Path Tree when they receive local link state advertisements.

2 points

For the solution, visit:

http://blog.internetworkexpert.com/2009/03/02/cisco-rs-lab-exam-challenge-%E2%80%93-ospf-features-part-2-of-2/