What is the OSI model? How to explain and remember its 7 layers
WEBThe layers, and what they represent, are as follows: Layer 7: Application. The Application Layer in the OSI model is the layer that is the “closest to the end user”.
What is IoT? The internet of things explained | Network World
WEBFeb 27, 2024 — Credit: Thinkstock. The internet of things (IoT) is a catch-all term for the growing number of electronics that aren’t traditional computing devices, but are connected to the internet to send ...
DNS explained: How the Domain Name System works - Network …
WEBThe Domain Name System (DNS) is one of the foundations of the internet, working in the background to match the names of web sites that people type into a search box with the corresponding IP ...
What is a VLAN and how does it work? - Network World
WEBMay 25, 2022 — A VLAN is a logical subnetwork of devices in a broadcast domain that is partitioned by network switches and/or network management software to act as its own distinct LAN. Switches that support ...
What is MU-MIMO, and why is it essential for Wi-Fi 6 and 6E?
WEBMar 3, 2022 — Summing up, the addition of OFDMA and uplink MU-MIMO means that Wi-Fi 6 and 6E are a whole lot faster than Wi-Fi 5 systems, which is particularly helpful for very dense environments, such as ...
What is Wi-Fi and why is it so important? | Network World
WEBJan 3, 2023 — Wi-Fi is a blanket term for multiple technologies that use the IEEE 802.11 communications standards to create local area networks or LANs. Wi-Fi-enabled products use radio waves to transmit data ...
802.11x: Wi-Fi standards and speeds explained | Network World
WEBThe big news in wireless is the expected ratification of Wi-Fi 7 (802.11be) by the IEEE standards body early this year. Some vendors are already shipping pre-standard Wi-Fi 7 gear, and the Wi-Fi ...
What is a network switch and how does it work?
WEBApr 11, 2024 — A network switch is a physical device that operates at the Data Link layer of the Open Systems Interconnection (OSI) model — Layer 2. It takes in packets sent by devices that are connected to ...
What is a WAN? Wide-area network definition and examples
WEBAug 1, 2022 — At its core, a WAN is a network of networks. The Internet itself is a giant WAN, and how you connect to it can be as diverse as through an Ethernet cable, coaxial cable, or a cellular radio signal ...
What is a virtual machine, and why are they so useful?
WEBMay 3, 2024 — A virtual machine (VM) is software that runs programs or applications without being tied to a physical machine. In a VM instance, one or more guest machines can run on a host computer. Each VM has ...