By default the ping on windows will stop after 4 echo packets. For a guy coming from linux background, this will feel to be a strange thing. To me, I felt irritated. There is a simple flag to ping for a long time without terminating which can be used to ping for infinity(theoretically).
The Open Systems Interconnection (OSI) is a general blueprint that guides the understanding and design of computer networks. It partitions the network functionality into seven layers. The layering approach results in a more modular computer network design. It decomposes it into more manageable components.