V
VHFvery high frequency. Very high-frequency radio waves that are in the range of 30 to 300 MHz.
VLANvirtual local-area network. A VLAN is a group of clients situated at different physical locations but that communicate with each other as if they were all on the same physical LAN segment.
VoIPVoice over IP. Enables a device to carry voice traffic (for example, telephone calls and faxes) over an IP network. In VoIP, the device segments the voice signal into frames, which are then coupled and stored in voice packets.
VPNvirtual private network. A network that uses public, unsecure transmission media such as the Internet, but is set up securely and limited for use by a group of defined authorized users.
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