W's, X's & Z's Flashcards
WEP
(Wired Equivalent Privacy)
A mechanism for encrypting data sent over a wireless connection. WEP is considered flawed (that is, a determined and well-resourced attack could probably break the encryption).Apart from problems with the cipher, the use and distribution of a pre-shared key(effectively a password) depends on good user practice. WEP has been replaced by WPA.
WIA
(Windows Image Acquisition)
Driver mode land API (Application Programming Interface) for interfacing scanner hardware with applications software on Windows PCs.
WISP
(Wireless Internet Service Provider)
An ISP offering Internet access over ground-based Line of Sight (LoS) microwave transmitters.
WMN
(Wireless Mesh Network)
Wireless network topology where all nodes—including client stations—are capable of providing forwarding and path discovery. This improves coverage and throughput compared to using just fixed access points and extenders.
WoL
(Wake on LAN)
Where a host has a compatible network card, a network server can be configured to transmit a “magic packet” that causes the host to power up.
WoWLAN
(Wake-on-Wireless LAN)
A wireless version of WoL that is not widely implemented.
WPA
(Wi-Fi Protected Access)
An improved encryption scheme for protecting Wi-Fi communications, designed to replace WEP. The original version of WPA was subsequently updated (to WPA2) following the completion of the 802.11i security standard. WPA features an improved method of key distribution and authentication for enterprise networks, though the pre-shared key method is still available for home and small office networks. WPA2 uses the improved AES cipher, replacing TKIP and RC4.
WPF
(Windows Presentation Foundation)
In Windows, handles the display and print functions for compatible applications.
WPS
(Wi-Fi Protected Setup)
Mechanism for auto-configuring a WLAN securely for home users. On compatible equipment, users just have to push a button on the access point and connecting adapters to associate them securely.
WWAN
(Wireless Wide Area Network)
A large wireless network, such as a cellular data network or line-of-sight microwave transmission.
WYSIWYG
(What You See Is What You Get)
The screen and print output are supposed to be the same.
XML
(eXtensible Markup Language)
A system for structuring documents so that they are human- and machine-readable. Information within the document is placed within tags, which describe how information within the document is structured.
XPS
(XML Print Specification)
A file format based on XML that describes one or more pages and how the information should appear on the page.
ZIF socket
(Zero Insertion Force socket)
A processor socket type allowing the chip to be placed in the socket with as little risk of damaging the pins on the processor chip as possible.
