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 · Similarly, in the enterprise world, everything is becoming internet-connected. Popular use cases include security cameras, connected fleets, workplace safety management, health tracking, supply ...
DNS explained: How the Domain Name System works
The Domain Name System (DNS), one of the foundations of the internet, resolves the names of internet sites with their underlying IP addresses, adding efficiency and security in the process.
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 virtual machine, and why are they so useful?
May 3, 2024 · System VMs rely on hypervisors as a go-between that give software access to the hardware resources. The hypervisor emulates the computer’s CPU, memory, hard disk, network and other hardware ...
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 ...
What is a network switch and how does it work?
Apr 11, 2024 · A hub differs from a switch in that packets sent from one of the connected devices are broadcast to all of the devices that are connected to the hub.
10 most powerful Wi-Fi vendors - Network World
Apr 21, 2022 · Outlook: Cisco’s extensive portfolio of products support the Wi-Fi 5, WI-FI 6 and 6E standards, along with Bluetooth Low Energy (BLE) for IoT deployments. Cisco’s broad geographic presence ...
What is beamforming and how does it make wireless better?
Mar 14, 2022 · The mathematics behind beamforming is very complex (the Math Encounters blog has an introduction, if you want a taste), but the application of beamforming techniques is not new. Any form of energy ...
10 free, must-have tools for network admins that are Windows 10 …
Dec 4, 2018 · Networking tools for Windows are typically command-line programs or desktop applications. Under Windows 10, there’s a third format: apps that you download from the online Microsoft Store.