U's Flashcards
UDP
(User Datagram Protocol)
A protocol in the TCP/IP suite operating at the transport layer to provide connectionless, non-guaranteed communication with no sequencing or flow control. Faster than TCP, but does not provide reliability.
UEFI
(Unified Extensible Firmware Interface)
A type of system firmware providing support for 64-bit CPU operation at boot, full GUI and mouse operation at boot, and better boot security.
UPnP
(Universal Plug-and-Play)
A protocol framework allowing network devices to autoconfigure services, such as allowing a games console to request appropriate settings from a firewall.
URL
(Uniform Resource Locator/Identifier)
An application-level addressing scheme for TCP/IP, allowing for human-readable resource addressing. For example:protocol://server/file, where “protocol” is the type of resource (HTTP, FTP), “server” is the name of the computer(www.microsoft.com), and “file” is the name of the resource you wish to access.
UTM
(Unified Threat Management)
All-in-one security appliances and technologies that combine the functions of a firewall, malware scanner, intrusion detection, vulnerability scanner, Data Loss Prevention, content filtering, and so on.
UTP
(Unshielded Twisted Pair cabling)
The type of cabling typically used for computer networking, composed of eight insulated copper wires grouped into four pairs with each pair twisted to reduce interference between wires.