What Are The Layers Of The Internet?
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1. Application Layer: Provides the interface between applications and the other layers of the internet, including protocols for simple mail transfer protocol (SMTP), hypertext transfer protocol (HTTP), and file transfer protocol (FTP).
2. Transport Layer: Manages the reliable delivery of data between two points within a network and provides extra features, including error recovery and congestion control.
3. Network Layer: Responsible for routing messages through a network using the most efficient and cost–effective route.
4. Data Link Layer: Connects computers on a single network segment by providing an addressable physical connection.
5. Physical Layer: Defines the physical characteristics like voltages, cable types, and hubs.