What is the OSI model? How to explain and remember its 7 layers
The 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
Feb 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 ...
What is a network switch and how does it work?
Apr 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 ...
802.11x: Wi-Fi standards and speeds explained | Network World
The 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 VLAN and how does it work? - Network World
May 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 ...
DNS explained: How the Domain Name System works
The 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 MU-MIMO, and why is it essential for Wi-Fi 6 and 6E?
Mar 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 ...
10 most powerful Wi-Fi vendors - Network World
Apr 21, 2022 · Cisco, HPE-Aruba, Ubiquiti, CommScope are driving the transition from Wi-Fi 5 to Wi-Fi 6 and beyond with automation, AI and machine learning. The global Wi-Fi market is expected to grow by 65% to ...
802.1X: What you need to know about this LAN-authentication …
Apr 28, 2021 · 802.1x defined. IEEE 802.1X is a standard that defines how to provide authentication for devices that connect with other devices on local area networks (LANs). It provides a mechanism by which ...
10 free, must-have tools for network admins that are Windows 10 …
Dec 4, 2018 · Network Port Scanner. Network Port Scanner is a standard port scanner for checking your network for any ports that are open and revealing the IP addresses they are open to. You can enter a range ...