OSPFDescribe OSPF in your own words.OSPF areas, the purpose of having each of themTypes of OSPF LSA, the purpose of each LSA typeWhat exact LSA type you can see in different areasHow OSPF establishes neighboor relation, what the stages areIf OSPF router is stucked in each stage what the problem is and how to troubleshoot [...] with interviewquestionsnetworkengineertech