ZyXEL Communications P-873HNUP-51B Support Notes page 4

P-873HNUP-51B Support Notes
How does the device support TFTP? ........................................................... 83
Can the device support TFTP over WAN? .................................................... 83
How fast can the data go?............................................................................ 84
What is Multi-NAT? ...................................................................................... 84
When do I need Multi-NAT? ........................................................................ 85
What is BOOTP/DHCP? ................................................................................. 85
What is DDNS? ............................................................................................. 85
When do I need DDNS service? ................................................................... 86
Wireless FAQ ........................................................................................................ 87
What is a Wireless LAN? .............................................................................. 87
What are the advantages of Wireless LANs? ............................................... 87
What are the disadvantages of Wireless LANs? .......................................... 88
Where can you find wireless 802.11 networks? .......................................... 88
What is an Access Point? ............................................................................. 88
What is IEEE 802.11? .................................................................................... 88
What is 802.11b? ......................................................................................... 88
How fast is 802.11b? .................................................................................... 89
What is 802.11g? ......................................................................................... 89
What is 802.11n? ......................................................................................... 89
Is it possible to use products from a variety of vendors? ............................ 89
What is Wi-Fi? .............................................................................................. 90
What types of devices use the 2.4GHz Band? ............................................. 90
Does the 802.11 interfere with Bluetooth devices? .................................... 90
Can radio signals pass through walls?.......................................................... 90
What are potential factors that may causes interference among WLAN
products? ..................................................................................................... 91
What's the difference between a WLAN and a WWAN? ............................. 91
What is Ad Hoc mode? ................................................................................. 91
What is Infrastructure mode? ...................................................................... 91
How many Access Points are required in a given area? .............................. 92
What is Direct-Sequence Spread Spectrum Technology - (DSSS)? .............. 92
What is Frequency-hopping Spread Spectrum Technology - (FHSS)? ......... 92
Do I need the same kind of antenna on both sides of a link? ..................... 92
Why the 2.4 Ghz Frequency range? ............................................................. 92
What is Server Set ID (SSID)? ....................................................................... 93
What is an ESSID?......................................................................................... 93
How do I secure the data across an Access Point's radio link? .................... 93
What is WEP? ............................................................................................... 93
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