Internet: Overview, Architecture, Functioning, Basic Services Overview of the Internet: The Internet is a global system of interconnected computer networks that communicate using standard protocols, primarily the Internet Protocol (IP) and Transmission Control Protocol (TCP) . It allows for the exchange of data and resources between devices, including computers, smartphones, and various other connected devices. The Internet has revolutionized communication, commerce, education, and entertainment. Architecture of the Internet: The Internet's architecture is structured in layers to manage the flow of data and services: Physical Layer: This includes the hardware components such as routers, switches, fiber optic cables, wireless signals, etc. Data Link Layer: This layer is responsible for the error-free transmission of data between devices connected to the same physical medium. Network Layer (IP Layer): The Internet Protocol (IP) operates at this level, ensuring t...