Explain how the Internet works.
CSN-1.B.1 The Internet is a computer network consisting of interconnected networks that use standardized, open (nonproprietary) communication protocols.
CSN-1.B.2 Access to the Internet depends on the ability to connect a computing device to an Internet-connected device.
CSN-1.B.3 A protocol is an agreed-upon set of rules that specify the behavior of a system.
CSN-1.B.4 The protocols used in the Internet are open, which allows users to easily connect additional computing devices to the Internet.
CSN-1.B.5 Routing on the Internet is usually dynamic; it is not specified in advance.
CSN-1.B.6 The scalability of a system is the capacity for the system to change in size and scale to meet new demands.
CSN-1.B.7 The Internet was designed to be scalable.