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Oct 23, 2024 · Network devices are physical devices that allow hardware on a computer network to communicate and interact with each other. Network devices like hubs, repeaters, bridges, switches, routers, gateways, and brouters help manage and direct data flow in a network. They ensure efficient communication between connected devices by controlling data ...
- 15 min
Aug 1, 2024 · Network devices play two key roles: The first is establishing a network connection, as a router or a modem does. The second one is maintaining, protecting and enhancing that connection, as with a hub, repeater, switch or gateway. Network devices are critical for establishing and managing networks.
Jun 6, 2023 · In network communications, a transmission medium is a physical connection or an interface between the transmitter and the receiver. There are two major categories of transmission media, namely ...
- 10 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.
Sep 26, 2023 · Guided media, also known as wired or bounded media, are physical communication channels that use physical conductors to transmit data signals in a computer network. Unguided transmission media in computer networking, often referred to as wireless communication, involves the transmission of data between devices without using physical cables or ...
Mar 13, 2021 · Three basic types of network connections exist: Point-to-point connections allow one device to communicate with one other device. For example, two phones may pair with each other to exchange contact information or pictures. Broadcast/multicast connections allow a device to send one message out to the network and have copies of that message ...
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Here is a list of some network hardware device examples that lay down the foundation of networking: Router: Connects multiple networks, directing data packets between them and managing traffic. Switch: Connects devices within a local network, forwarding data only to the intended recipient to improve efficiency.
