. Define Network? A network is a set of devices connected by physical media links. A network is recursively is a connection of two or more nodes by a physical link or two or more networks connected by one or more nodes. 2. What is Protocol? A protocol is a set of rules that govern all aspects of information communication. 3. What is a Link? At the lowest level, a network can consist of two or more computers directly connected by some physical medium such as coaxial cable or optical fiber. Such a physical medium is called as Link. 4. What is a node? A network can consist of two or more computers directly connected by some physical medium such as coaxial cable or optical fiber. Such a physical medium is called as Links and the computer it connects is called as Nodes.

firstly I was join there as a network technician after some time they promote me as a network engineer. because I'm good in technical and I have a good knowledge in router, switch, access point , firewall, cctv cameras, and voip phone find trouble and troubleshoot , when need to configure then I can easily did like this.

First technical round and two times hr round after that called me in lucknow office and given offer latter. Manager told us to complete the process of your leaving office.