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- HTTP and HTTPS - Hypertext Transfer Protocol - governs communication between a webserver and a client.
www.bbc.co.uk/bitesize/guides/z666pbk/revision/4Addressing and protocols - Network topologies, protocols and ...
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5 days ago · The OSI Model consists of 7 layers and each layer has specific functions and responsibilities. This layered approach makes it easier for different devices and technologies to work together. OSI Model provides a clear structure for data transmission and managing network issues.
- 38 min
- Layer 1 is the physical layer. There’s a lot of technology in Layer 1 - everything from physical network devices, cabling, to how the cables hook up to the devices.
- Layer 2 is the data link layer. Layer 2 defines how data is formatted for transmission, how much data can flow between nodes, for how long, and what to do when errors are detected in this flow.
- Layer 3 is the network layer. This is where we send information between and across networks through the use of routers. Instead of just node-to-node communication, we can now do network-to-network communication.
- Layer 4 is the transport layer. This where we dive into the nitty gritty specifics of the connection between two nodes and how information is transmitted between them.
- Physical Layer. All networking begins with physical equipment. This layer encapsulates the hardware involved in the communications, such as switches and cables.
- Data Link Layer. The model's second layer concerns communication between two devices that are directly connected to each other in the same network. It's responsible for establishing a link that allows data to be exchanged using an agreed protocol.
- Network Layer. The network layer is the first level to support data transfer between two separately maintained networks. It's redundant in situations where all your devices exist on the same network.
- Transport Layer. The transport layer provides higher-level abstractions for coordinating data transfers between devices. Transport controllers determine where data will be sent and the rate it should be transferred at.
Dec 8, 2023 · Each layer plays a role in preparing the data for transmission. The Presentation Layer may encrypt the data for security, while the Data Link Layer ensures it is formatted into frames suitable for physical transmission. Data Transmission Across the Network
TCP/IP - Transmission Control Protocol/Internet Protocol - enables communication over the internet. HTTP and HTTPS - Hypertext Transfer Protocol - governs communication between a webserver and a...
A communication protocol is a system of rules that allows two or more entities of a communications system to transmit information via any variation of a physical quantity. The protocol defines the rules, syntax, semantics, and synchronization of communication and possible error recovery methods.
The best-known transport protocol of the Internet protocol suite is the Transmission Control Protocol (TCP). It is used for connection-oriented transmissions, whereas the connectionless User Datagram Protocol (UDP) is used for simpler messaging transmissions.
