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The ethernet and WiFi network cards are what enable your computer to actually connect to the internet. They essentially act as a shuttle system for data that’s going out into the world or coming back to your computer.
30 Αυγ 2024 · Layer 2 switches: These switches operate at the Data Link layer of the OSI model and are responsible for forwarding data between devices on the same network segment. Layer 3 switches: These switches operate at the Network layer of the OSI model and can route data between different network segments.
1 Αυγ 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.
8 Σεπ 2024 · A computer uses a NIC to connect the network. When the computer sends data to the network, it uses the output function of the NIC. When the computer receives data from the network, it uses the input function of the NIC.
15 Δεκ 2023 · Here, I'll describe some of the most common types of wireless devices: Wi-Fi Devices: Functionality: Wi-Fi (Wireless Fidelity) devices enable wireless local area networking (WLAN) using the IEEE 802.11 standard. They allow devices like smartphones, laptops, and IoT devices to connect to the internet and local networks without physical cables.
Wi-Fi is designed to extend the traditional Internet model to mobile devices, replacing the last link of the network with a wireless access point. Bluetooth defines a local point-to-point mechanism that allows computer peripherals to communicate without a cable physically connecting the devices.
19 Ιουλ 2024 · A LAN is a group of connected devices restricted to a specific geographic area, typically requiring a single router. On the other hand, a WAN is a large network spanning a vast geographic area, often requiring multiple routers and switches due to its distributed nature.
