Describe OSPF
1. OSPF areas, the purpose of having each of them
2. Types of OSPF LSA, the purpose of each LSA type
3. What exact LSA type you can see in different areas
4. How OSPF establishes neighboor relation, what the stages are
5. If OSPF router is stucked in each stage what the problem is and how to troubleshoot it
6. OSPF hierarchy in the single or multi areas. Cool OSPF behavior in broadcast and nonbroadcast
7. Draw the diagram of typical OSPF network and explain generally how it works, DR, BDR, election, ASBR, ABR, route redistribution and summarization
8. How it works and the purpose
9. Diff types (SSTP, MSTP, RSTP) Cisco – PVST/PVST+
10. root election
11. Diff. port stages and timing for convergence
12. Draw the typical diagram and explain how diff types of STP work
13. What ports are blocking or forwarding
14. How it works if there are topology changes
15. Draw the typical network diagram you have to deal with
16. explain how it works
17. What part of it you are responsible
18. firewall, what is that, how it works, how it is diff from ACLs
19. What problems with the network you had had and how you solved it.
20. What are the ways to troubleshoot the network, techniques, commands
21. network security, ways to achieve it