EtherChannel is a technology wherein we bundle physical interfaces together to create a single logical link. It is also known as Link Aggregation. It provides fault-tolerant and high-speed links between Cisco switches and routers and is often seen in the backbone network....

Virtual local area networks, or VLANs, have become important as network complexity has exceeded the capacity of typical local area networks (LANs). Originally, a LAN connected a group of computers and associated devices to a server via cables in a...

VPN stands for “Virtual Private Network” and describes the opportunity to establish a protected network connection when using public networks. VPNs encrypt your internet traffic and disguise your online identity. This makes it more difficult for third parties to track your activities...