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802.XX Standards

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egill2k1's version from 2017-09-22 20:59

Wireless LAN / Wi-Fi Standards

StandardsFrequencySpeedNo of StreamsNotes
802.11a5GHz54 Mb/s1Smaller range than 802.11b / Old & outdated 1999
802.11b2.4GHz11 Mb/s1Bigger range but more devices in this range. 1999
802.11g2.4GHz54 Mb/s1
802.11n5GHz or 2.4GHz600 Mb/s4 (MIMO) Multiple Input Multiple Output 150 Mb/s /stream 2009
802.11ac5GHz6934 Mb/s8increased channel boding / faster / 8 MIMO streams 866 Mb/s /stream 2014
memorize

LAN/WAN Standards

Question Answer Column 3
802.1dSTP - Spanning Tree ProtocolUsed to avoid routing loops on switches
802.1qVLAN TrunkingUsed to separate each node to it's own broadcast domain.
memorize

PAN Standards

Question Answer Column 3
802.15PAN - Personal Area Network...i.e. Bluetooth, Infrared
memorize