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 · Credit: Thinkstock. 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 ...
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 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 ...
MTU size issues, fragmentation, and jumbo frames - Network World
WEBOct 20, 2021 · Switch7K# ping 192.168.10.1 packet-size 9216 c 10. On a Cisco IOS XR device the command would be: RP/0/RP0/CPU0:Router1#ping 192.168.10.1 size 1500 donnotfrag
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 ...
IPv6: How to configure static and DHCP IP addressing and deal …
WEBJan 29, 2021 · Key IPv6 addressing concepts. IPv6 addressing within a network has a few major differences from IPv4. With IPv4 certain address ranges are reserved for private networks (such as 10.0.0.0/8 or 192 ...
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 ...
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