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 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 IPv6, and why is adoption taking so long? - Network World
WEBApr 1, 2024 · As of March 2022, according to Google, the IPv6 adoption rate globally is around 34%, but in the U.S. it’s at about 46%. Carrier networks and ISPs have been the first group to start deploying ...
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 ...
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 ...
MTU size issues, fragmentation, and jumbo frames - Network World
WEBOct 20, 2021 · To configure the jumbo frame MTU size on a Cisco IOS device, just enter the MTU command on the interface configuration like this: Router (config)# interface GigabitEthernet 4/1. Router (config-if ...
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 ...
10 free, must-have tools for network admins that are Windows 10 …
WEBDec 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 ...
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 ...
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 ...