I Need help with these two Networking Question Please. Asap! Thanks

1. Explain the steps that two routers take to become fully adjacent neighbors in OSPF. (15 Points)

2. Explain the difference between DR, BDR, and DROTHER. How would you go about changing the BDR to DR assuming all the routers are up and operational (nothing went down)? What would be the impact of such a change on a live or production network? (15 points)