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U
UDP The User Datagram Protocol is a connectionless
protocol that resides above IP in the TCP/IP suite
User Name The USERNAME is the unique name assigned to each
person who has access to the LAN.
Utility It is a program that performs a specific task.
UTP Unshielded twisted-pair. UTP is a form of cable used by
all access methods. It consists of several pairs of wires
enclosed in an unshielded sheath.
W
WAN Wide-Area Network. A wide-area network consists of
groups of interconnected computers that are separated
by a wide distance and communicate with each other
via common carrier telecommunication techniques.
WEP WEP is widely used as the basic security protocol in
Wi-Fi networks, which secures data transmissions
using 64-bit or 128-bit encryption.
Windows Windows is a graphical user interface for workstations
that use DOS.
WPA WPA (Wi-Fi Protected Access) is used to improve the
security of Wi-Fi networks, replacing the current WEP
standard. It uses its own encryption, Temporal Key
Integrity Protocol (TKIP), to secure data during
transmission.
WPA2 Wi-Fi Protected Access 2, the latest security
specification that provides greater data protection and
network access control for Wi-Fi networks. WPA2 uses
the government-grade AES encryption algorithm and
IEEE 802.1X-based authentication, which are required
to secure large corporate networks.
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