CCNA INTERVIEW QUESTION

Most Important CCNA Interview Questions - 2021

CCNA INTERVIEW QUESTION In this article, I am going to share the most commonly asked CCNA interview questions.  What is OSI model? OSI model stands for open system interconnection. OSI model is a reference model that helps us to understand how does internet work? As a whole, it is tough to understand the internet, that’s why to … Read more

OSPF Theory

OSPF Theory

Open Shortest Path First Introduction OSPF stands for open shortest path first. OSPF is a dynamic routing protocol that comes under IGP(interior gateway protocol). It is also known as link state protocol. It works on shortest path first algorithm (SPF). To advertise routes information OSPF running routers send LSAs to exchange information with neighbors. LSA … Read more