Virtual Server is a technology that allows multiple independent Web sites to be hosted on a single Web server.
Virtual Private Network, or VPN, is a technology for connecting the components and resources of one network over another.
Virtual Memory is a mechanism by which applications function as though the system has more RAM than it actually does.
Virtual LAN, or VLAN, is a networking technology that allows networks to be segmented logically without having to be physically rewired.
Virtualization refers to the act of creating a virtual version of any computer network resources like a server, switch, router, computer hardware platforms, storage device, etc.
Virtual Directory is a directory that appears to Web browser users as a subdirectory of a Web site’s home directory but in fact might be located in a different folder, drive, or server.