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Glossary
P
PNG:
Abbreviation for Portable Network Graphics, a freely available grid
graphics format for loss-free compression.
Port:
A port is part of a network address (or also IP address). It allows
assignment of data packages to various services which are running on
one device under the same network address.
PSK:
Stands in connection with WLAN encoding for Pre-Shared Key.
Clients, who want to connect up to a wireless network secured with
PSK have to know this key.
R
Router:
Device for connecting up several networks, e.g. home network
and Internet.
S
Switch:
Device for connecting several computers to a network.
U
UPnP AV:
Abbreviation for Universal Plug and Play Audio / Video. Is used
to control network devices from all manufacturers. Has become a wide
spread standard for home networking.
W
WEP:
Abbreviation for Wired Equivalent Privacy. Former standard process
in the WLAN encryption, now outdated.
Wired network:
see LAN.
Wireless network:
see WLAN.
WLAN:
Abbreviation for Wireless Local Area Network. Also abbreviated
as wireless network.
WMA:
Abbreviation for Windows Media Audio, Microsoft own audio data
format. As with MP files, the content is compressed here as well.
WMV:
Abbreviation for Windows Media Video, Microsoft own video
data format.
WPA:
Abbreviation for Wi-Fi Protected Access. Replaced WEP as standard
encryption for wireless networks.
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