What is frame relay?
* Frame relay is defined as a communications protocol as well as a packet data service. This paper will describe frame relay as a packet data service because of its ability to create a Wide Area Network (WAN) that can integrate an enterprise infrastructure.
What is VPN?
* VPN stands for Virtual Private Network, and relates to a set of software and hardware that enable your computer to transparently connect to a remote network as if you were physically attached to that network.
What is VLAN?
*VLAN is a method of creating independent logical networks within a physical network. Several VLANs can co-exist within such a network. This helps in reducing the broadcast domain and aids in network administration by separating logical segments of a LAN (like company departments) that should not exchange data using a LAN (they still can exchange data by routing
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