scenario 1 - if you are having a router problem and your client has reported about it how can you solve the problem but the condition is a router and you are in different locations. scenario 2 - bgrp and OSPF connecting methods and some troubleshooting commands more than basics if I would say. scenario 3 - if a router link was down what are the commands that will be used to up the link and about trunk protocol. basics questions like expand OSPF, bgrp difference between router and switch, working of a firewall. if you are good maybe more than good you can easily solve all questions and rounds.
