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Computer network engineering is a technology discipline within engineering that deals with the design, implementation, and management of computer networks. These systems contain both physical components, such as routers , switches, cables, and some logical elements, such as protocols and network services .
For example, connecting two distinct segments (e.g. VLANs) with a router to a standard layer-2 switch requires passing the frame to the switch (first L2 hop), then to the router (second L2 hop) where the packet inside the frame is routed (L3 hop) and then passed back to the switch (third L2 hop). A layer-3 switch accomplishes the same task ...
Description Status IEEE 802.1: Higher Layer LAN Protocols Working Group: Active IEEE 802.2: LLC: Disbanded IEEE 802.3: Ethernet: Active [4] IEEE 802.4: Token bus: Disbanded IEEE 802.5: Token Ring MAC layer: Disbanded IEEE 802.6: MANs : Disbanded IEEE 802.7: Broadband LAN using Coaxial Cable: Disbanded IEEE 802.8: Fiber Optic TAG: Disbanded IEEE ...
The Certified Wireless Network Expert (CWNE) is the highest level certification in the CWNP program started in 2001 by Planet3 Wireless. [1] It certifies the ability to design, install, secure, optimize and troubleshoot IEEE 802.11 wireless networks .
The data link layer is concerned with local delivery of frames between nodes on the same level of the network. Data-link frames, as these protocol data units are called, do not cross the boundaries of a local area network. Inter-network routing and global addressing are higher-layer functions, allowing data-link protocols to focus on local ...
AMC Networks greenlit a second season renewal for Interview with the Vampire back in September 2022, a month before the first season even premiered. Now, season two is set to drop on May 12, 2024.
From the end user, packets travel over a wholesale network service provider's network to a server called a Broadband Remote Access Server , a protocol converter and router combined. On legacy networks the path from end user customer premises' equipment to the BRAS may be over an ATM network. From there on, over an IP network, an L2TP tunnel ...
A layer-3 segment in an IP network is called a subnetwork, formed by all nodes sharing the same network prefix as defined by their IP addresses and the network mask. [5] Communication between layer-3 subnets requires a router. Hosts on a subnet communicate directly using the layer-2 segment that connects them.