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Prestige 2802HW(L)-Ix Support Notes
All contents copyright (c) 2007 ZyXEL Communications Corporation.
7
What is IEEE 802.11 ?...............................................................................153
What is 802.11b ? ......................................................................................154
How fast is 802.11b ?.................................................................................154
What is 802.11a ?.......................................................................................154
What is 802.11g ? ......................................................................................154
Is it possible to use products from a variety of vendors ?..........................154
What is Wi-Fi ?..........................................................................................155
What types of devices use the 2.4GHz Band ?..........................................155
Does the 802.11 interfere with Bluetooth devices ? ..................................155
Can radio signals pass through walls ? ......................................................155
What are potential factors that may causes interference among WLAN
products ?...................................................................................................155
What's the difference between a WLAN and a WWAN ?.........................156
What is Ad Hoc mode ?.............................................................................156
What is Infrastructure mode ?....................................................................156
How many Access Points are required in a given area ?...........................156
What is Direct-Sequence Spread Spectrum Technology – (DSSS) ?........156
What is Frequency-hopping Spread Spectrum Technology – (FHSS) ? ...157
Do I need the same kind of antenna on both sides of a link ?....................157
Why the 2.4 Ghz Frequency range ?..........................................................157
What is Server Set ID (SSID) ? .................................................................157
What is an ESSID ?....................................................................................157
How do I secure the data across an Access Point's radio link ?.................158
What is WEP ?...........................................................................................158
What is the difference between 40-bit and 64-bit WEP ?.......................158
What is a WEP key ? ..............................................................................158
A WEP key is a user defined string of characters used to encrypt and
decrypt data ?.............................................................................................158
Can the SSID be encrypted ? ..................................................................158
By turning off the broadcast of SSID, can someone still sniff the SSID ? 159
What are Insertion Attacks ?......................................................................159
What is Wireless Sniffer ? .........................................................................159
What is the difference between Open System and Shared Key of
Authentication Type ?................................................................................159
What is 802.1x ? ........................................................................................159
What is the difference between No authentication required, No access
allowed and Authentication required ? ......................................................160