ZyXEL Communications P-661HW-D Series Support Note page 5

1. What is a Wireless LAN?......................................................39
2. What are the advantages of Wireless LAN? .........................39
3. What is the disadvantage of Wireless LAN?.........................39
4. Where can you find 802.11 wireless networks?....................40
5. What is an Access Point?.....................................................40
6. What's the difference between IEEE802.11a/b/g? ...............40
7. Is it possible to use wireless products from a variety of vendors?
.................................................................................................40
8. What is Wi-Fi? ......................................................................40
9. What types of devices use the 2.4GHz Band? .....................40
10. Does the 802.11 interfere with Bluetooth device? ..............41
11. Can radio signals pass through wall? .................................41
12. What are potential factors that may causes interference
among WLAN products? ..........................................................41
13. What's the difference between a WLAN and a WWAN? ....41
14. Can I manually swap the wireless module without damage
any hardware?..........................................................................42
15. What wireless security mode does P-661HW-D support? ..42
16. What Wireless standard does P-661HW-D support?..........42
17. Does P-661HW-D support MAC filtering? ..........................42
18. Does P-661HW-D support auto rate adaption? ..................42
Advanced FAQ .......................................................................................42
1. What is Ad Hoc mode?.........................................................42
2. What is Infrastructure mode? ...............................................42
3. How many Access Points are required in a given area? ....42
4. What is Direct-Sequence Spread Spectrum Technology -
(DSSS)? ...................................................................................43
5. What is Frequency-hopping Spread Spectrum Technology -
(FHSS)? .................................................................................43
6. Do I need the same kind of antenna on both sides of a link?
.................................................................................................43
7. Why the 2.4 GHZ Frequency range? ...................................43
8. What is Server Set ID (SSID)? ............................................43
9. What is an ESSID? ..............................................................43
Security FAQ ..........................................................................................44
1. How do I secure the data across the P-661HW-D Access
Point's radio link? .....................................................................44
2. What is WEP? ......................................................................44
3. What is WPA? ......................................................................44
4. What is the difference between 40-bit and 64-bit WEP? . ....45
5. What is a WEP key?.............................................................45
6. Will 128-bit WEP communicate with 64-bit WEP? ...............45
7. Can the SSID be encrypted? ................................................45
All contents copyright © 2006 ZyXEL Communications Corporation.
P-661HW-D Series Support Notes
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