V


virtual memory

A process for paging or swapping from memory to disk that is used to increase the amount of RAM available to a system.



virus

A software program designed specifically to affect a system or network adversely. A virus is usually designed to be passed on to other systems with which it comes in contact.



VLAN (virtual LAN)

A group of devices located on one or more different LAN segments, whose configuration is based on logical instead of physical connections. This allows the devices to operate as if they were connected to the same physical switch, irrespective of whether or not they are connected to the same switch.



volume set

Multiple disks or partitions of disks that have been configured to read as one drive.



VPN (virtual private network)

A network that uses a public network such as the Internet as a backbone to connect two or more private networks. A VPN provides users with the equivalent of a private network in terms of security. VPNs can also be used as a means of establishing secure remote connectivity between a remote system and another network.





    Network+ Exam Cram 2
    Network+ Exam Cram 2
    ISBN: 078974905X
    EAN: N/A
    Year: 2003
    Pages: 194

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