U
- UDP
See User Datagram Protocol (UDP).
- Uniform Resource Locator (URL)
A way of identifying a document on the Internet. It consists of the protocol used to access the document and the domain name or IP address of the host that holds the document; for example, http://www.sybex.com.
- uninterruptible power supply (UPS)
A device that can provide short-term power, usually by using batteries.
- Unshielded Twisted Pair (UTP)
The most common networking cable currently in use; Unshielded Twisted Pair (UTP) is 8-wire cabling used with Ethernet.
- uptime
The amount of time a particular computer or network component has been functional.
- URL
See Uniform Resource Locator (URL).
- usage policies
Defined policies governing computer usage.
- user
The person ...
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