Antennas are required on both the AP and the wireless client.
Access points and wireless devices such as laptops usually have built-in antennas. The range and
propagation characteristics of a wireless device are determined by the antenna shape and type, which can
be customized for the specific application.
Figure 12-1 shows a basic setup that includes wired and wireless LAN network connections.
Figure 12-1. Wired and Wireless LAN Connected Clients
[View full size image]
Chapter 12. Wireless LAN (WLAN) Security
Wireless LAN (WLAN) network deployments are on the rise and are becoming increasingly popular because of
the ease of deployment, cost effectiveness, scalability, and significant productivity gains. This rise in the recent
years has offered greater mobility to users by allowing them to move freely without tangling with wired
workstations. Some of the most common WLAN deployments are not secured appropriately, thereby attracting
unauthorized use of the network services. The lack of trust in the security of the wireless technology has caused
increasing concern when organizations are deploying WLAN-based network solutions. Organizations now
demand comprehensive and secure WLAN solutions.
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