Before You Begin; Wireless Lan Overview - ZyXEL Communications NWD2105 User Manual

Chapter 2 Wireless LANs
Encryption
The process of t aking dat a and encoding it , usually using a m at hem at ical for m ula,
so t hat it becom es unreadable unless decrypt ed wit h t he proper code or pass
phrase.

2.1.3 Before You Begin

• You should have valid login inform at io n for an exist ing net work Access Point ,
ot herwise you m ay not be able t o m ake a net work connect ion right away.

2.2 Wireless LAN Overview

The following figure provides an exam ple of a wireless net work w it h an AP . See
Figure 3 on page 20
Figure 4 Example of a Wireless Network
The wireless net work is t he part in t he blue circle. I n t his wireless net work,
devices A and B are called wireless client s. The wireless client s use t he access
point ( AP) t o int eract wit h ot her devices ( such as t he print er) or wit h t he I nt ernet
Every wireless net work m ust follow t hese basic guidelines.
• Every device in t he sam e wireless net w ork m ust use t he sam e SSI D.
The SSI D is t he nam e of t he w ireless net work. I t st ands for Service Set I Dent it y.
22
for an Ad Hoc net work exam ple.
NWD2105 User's Guide