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Chapter 2 Wireless LANs
Encryption
The process of taking data and encoding it, usually using a mathematical formula,
so that it becomes unreadable unless decrypted with the proper code or pass
phrase.
2.1.3 Before You Begin
• You should have valid login information for an existing network Access Point,
otherwise you may not be able to make a network connection right away.
2.2 Wireless LAN Overview
The following figure provides an example of a wireless network with an AP. See
Figure 3 on page 20
Figure 4 Example of a Wireless Network
The wireless network is the part in the blue circle. In this wireless network,
devices A and B are called wireless clients. The wireless clients use the access
point (AP) to interact with other devices (such as the printer) or with the Internet
Every wireless network must follow these basic guidelines.
• Every device in the same wireless network must use the same SSID.
The SSID is the name of the wireless network. It stands for Service Set IDentity.
22
for an Ad Hoc network example.
N220 User's Guide
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