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 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 ...
Network World | From the data center to the edge
WEB4 days ago · Network World provides news and analysis of enterprise data center technologies, including networking, storage, servers and virtualization.
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 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 ...
802.1X: What you need to know about this LAN-authentication …
WEBApr 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 ...
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 ...
What is WPA3? And some gotchas to watch out for in this Wi-Fi …
WEBNov 2, 2018 · The Wi-Fi Alliance has introduced the first major security improvement to Wi-Fi in about 14 years: WPA3. The most significant additions to the new security protocol are greater protection for ...
DHCP defined and how it works - Network World
WEBMar 14, 2022 · DHCP is an under-the-covers mechanism that automates the assignment of IP addresses to fixed and mobile hosts that are connected wired or wirelessly. When a device wants access to a network that ...
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 ...
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