BinTec RS120 Reference Manual page 532

Glossary
518
Glossary
2G See GSM.
3DES See DES.
3G See UMTS.
4G See LTE.
802.11 The 802.11 norm describes wireless LAN (WLAN). There are a vari-
ety of amendments: 802.11a: Gross data transfer rates: 54 Mbit/s,
frequency band: 5 GHz, 802.11b/g: Gross data transfer rates: 11
Mbit/s, frequency band: 2.4 GHz, 802.11g: Gross data transfer
rates: 54 Mbit/s, frequency band: 2.4 GHz, 802.11n: Gross data
transfer rates: 600 Mbit/s, frequency band: 2.4 GHz (optional: 5
GHz)
Access client Client mode is an operating mode of a wireless access point (AP) in
which the latter behaves like a wireless adapter vis-a-vis the higher
level AP. With an AP run in client mode, individual computers or en-
tire sub-networks can be connected to higher level networks.
Access point An access point (AP) is a device for wirelessly connecting clients
(computers). The AP thus serves to create a wireless network
(WLAN) and connect that WLAN to a wired Ethernet network
(bridging).
Accounting Accounting refers to the recording of connection data, e.g. date,
time, connection duration, charging information and number of data
packets transferred.
Activity monitor The activity monitor is used to oversee the status of physical and vir-
tual device interfaces.
Ad-hoc network In an ad-hoc network, individual clients connect to an independent
wireless LAN via a wireless adapter. Ad-hoc networks work inde-
pendently, with no access point on a peer-to-peer basis. The ad-hoc
mode is also referred to as IBSS (Independent Basic Service Set)
mode and is useful in very small networks, e. g. when linking two
notebooks with no access point.
ADSL Asymmetric digital subscriber line. See DSL.
AES Advanced Encryption Standard (AES, Rijndael) is an encryption
method (see Cipher). AES uses a fixed block length of 128 bits. The
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