Difference between revisions of "CCNP 3 Wireless LANs"
From Teknologisk videncenter
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==IEEE 802.11b Standard== | ==IEEE 802.11b Standard== | ||
+ | {| | ||
+ | |[[Image:ScreenShot469.jpg|800px|left|thumb|802.11b]] | ||
+ | |- | ||
+ | |[[Image:ScreenShot471.jpg|800px|left|thumb|802.11b channel use]] | ||
+ | |- | ||
+ | |[[Image:ScreenShot470.jpg|800px|left|thumb|802.11b channels]] | ||
+ | |- | ||
+ | |[[Image:ScreenShot472.jpg|800px|left|thumb|802.11b channel reuse]] | ||
+ | |- | ||
+ | |[[Image:ScreenShot473.jpg|800px|left|thumb|802.11b Wireless Coverage]] | ||
+ | |} | ||
+ | ==IEEE 802.11a Standard== | ||
+ | {| | ||
+ | |[[Image:ScreenShot474.jpg|800px|left|thumb|802.11a]] | ||
+ | |- | ||
+ | |[[Image:ScreenShot475.jpg|800px|left|thumb|802.11a]] | ||
+ | |- | ||
+ | | | ||
+ | *Transmit Power Control (TPC) | ||
+ | *Dynamic Frequency Selection (DFS) | ||
+ | |- | ||
+ | |[[Image:ScreenShot476.jpg|800px|left|thumb|802.11a]] | ||
+ | |} | ||
+ | ==IEEE 802.11g Standard== | ||
+ | {| | ||
+ | |[[Image:ScreenShot477.jpg|800px|left|thumb|802.11g]] | ||
+ | |- | ||
+ | |[[Image:ScreenShot478.jpg|800px|left|thumb|802.11g]] | ||
+ | |} | ||
+ | ==802.11 Comparison== |
Revision as of 15:04, 9 September 2010
Contents
Introducing Wireless LANs
Wireless Data Technologies
Wireless LANs
WLANs and LANs
Describing Wireless LAN Topologies
Typical WLAN Topologies
Roaming through Wireless Cells
Wireless VLAN Support
Wireless Mesh Networking
Explaining Wireless LAN Technology Standards
Unlicensed Frequency Bands
Reflection: Occurs when RF waves bounce off objects (for example, metal or glass surfaces).
Scattering: Occurs when RF waves strike an uneven surface (for example, a rough surface) and are reflected in many directions.
Absorption: Occurs when RF waves are absorbed by objects (for example, walls).
WLAN Regulation and Standardization
IEEE 802.11b Standard
IEEE 802.11a Standard
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