152587
Descripción
Mapa Mental por pinedaluis8, actualizado hace más de 1 año
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Creado por pinedaluis8
hace más de 11 años
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Wireless
LANs
- Radio Frequencies
- WLAN product vendors must follow rules about the waveforms that its WLAN products send
- FCC help everyone who wants to communicate get a long a little better
- Emitted EM energy creates noise that can interfere with devices like WLAN clients and APs
- WLAN product vendors must follow rules about the waveforms that its WLAN products send
- Wireless LANs
- Supports devices that are nearby
- Provides a LAN edge connection in an enterprise
where the user devices sit, at the edge of the network
- Coverage area is a concept which defines the space around
the access point in which it should be able to communicate with
other devices
- Supports devices that are nearby
- Features
- All the WLAN NICs have a unique MAC address
- All the frames used over the wireless links use the same format
- Management and control frames do not carry user data, but instead perform functions important
to the wireless LAN
- All the WLAN NICs have a unique MAC address
- Wireless LAN Standards
- The first standard is simply called 802.11 with frequencies around 2.4GHz and a maximum speed of 2Mbps
- The Wi-Fi Alliance tests products to make sure
that they work well with other WLAN products
- Each transmission standard defines a maximum speed, but also defines a large number of other features
- The first standard is simply called 802.11 with frequencies around 2.4GHz and a maximum speed of 2Mbps
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