From the course: Google Cloud Professional Cloud Security Engineer Cert Prep (2024)

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Introduction to basic networking concepts

Introduction to basic networking concepts - Google Cloud Platform Tutorial

From the course: Google Cloud Professional Cloud Security Engineer Cert Prep (2024)

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Introduction to basic networking concepts

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- [Instructor] Now we're going to turn our attention to network security. Before we get into specifics of Google Cloud network security, I first want to cover some basic terminology that we'll all need to understand. I want to start with the OSI model, which is an abstraction or a conceptual model that we use to understand network communications. And in the OSI model, we have seven layers and each layer has a different function. The most important ones for us are really the network and transport layers, and then also the application layer. That's often where we have to make decisions regarding things like load balancing or firewall. Either network firewall, like at a network transport level, or a web application firewall might be at the application layer. Now an alternative model is the TCP/IP model, which is based on four levels. And it's more of a, based on like a practical implementation model of how we actually implement networks. And it starts at the bottom with the network…

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