More Networking Questions

Quick Revision Summary

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 ...

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Model Answer & Deep-Dive Explanation

Describe OSPF

OSPF areas, the purpose of having each of them

Types of OSPF LSA, the purpose of each LSA type

What exact LSA type you can see in different areas

How OSPF establishes neighboor relation, what the stages are

If OSPF router is stucked in each stage what the problem is and how to troubleshoot it

OSPF hierarchy in the single or multi areas. Cool OSPF behavior in broadcast and nonbroadcast

Draw the diagram of typical OSPF network and explain generally how it works, DR, BDR, election, ASBR, ABR, route redistribution and summarization

How it works and the purpose

Diff types (SSTP, MSTP, RSTP) Cisco - PVST/PVST+

root election

Diff. port stages and timing for convergence

Draw the typical diagram and explain how diff types of STP work

What ports are blocking or forwarding

How it works if there are topology changes

Draw the typical network diagram you have to deal with

explain how it works

What part of it you are responsible

firewall, what is that, how it works, how it is diff from ACLs

What problems with the network you had had and how you solved it.

What are the ways to troubleshoot the network, techniques, commands

network security, ways to achieve it

Interviewer Evaluation Points & Scoring Rubric

1 Structure answer clearly: Core concept, Practical example, and Pitfalls to avoid.
2 Demonstrate clear communication without unnecessary buzzwords.
3 Relate concept to real-world software development scenarios.