ZyXEL Communications 2602HWL-DXA User Manual
Prestige 2602HWL-DxA Support Notes
All contents copyright (c) 2005 ZyXEL Communications Corporation.
7
What are the disadvantages of Wireless LANs ?.......................................183
Where can you find wireless 802.11 networks ? .......................................183
What is an Access Point ? ..........................................................................183
What is IEEE 802.11 ?...............................................................................184
What is 802.11b ? ......................................................................................184
How fast is 802.11b ?.................................................................................184
What is 802.11a ?.......................................................................................184
What is 802.11g ? ......................................................................................184
Is it possible to use products from a variety of vendors ?..........................185
What is Wi-Fi ?..........................................................................................185
What types of devices use the 2.4GHz Band ? ..........................................185
Does the 802.11 interfere with Bluetooth devices ? ..................................185
Can radio signals pass through walls ? ......................................................185
What are potential factors that may causes interference among WLAN
products ? ...................................................................................................186
What's the difference between a WLAN and a WWAN ?.........................186
What is Ad Hoc mode ? .............................................................................186
What is Infrastructure mode ?....................................................................186
How many Access Points are required in a given area ? ...........................187
What is Direct-Sequence Spread Spectrum Technology – (DSSS) ? ........187
What is Frequency-hopping Spread Spectrum Technology – (FHSS) ? ...187
Do I need the same kind of antenna on both sides of a link ?....................187
Why the 2.4 Ghz Frequency range ?..........................................................187
What is Server Set ID (SSID) ? .................................................................187
What is an ESSID ?....................................................................................188
How do I secure the data across an Access Point's radio link ?.................188
What is WEP ? ...........................................................................................188
What is the difference between 40-bit and 64-bit WEP ?.......................188
What is a WEP key ? ..............................................................................188
A WEP key is a user defined string of characters used to encrypt and
decrypt data ? .............................................................................................189
Can the SSID be encrypted ? ..................................................................189
By turning off the broadcast of SSID, can someone still sniff the SSID ? 189
What are Insertion Attacks ?......................................................................189
What is Wireless Sniffer ? .........................................................................189
What is the difference between Open System and Shared Key of
Authentication Type ?................................................................................189