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Network #8

From 3.4

TermDefinition
Wireless Local Area Network(WLAN) 802.11 Popularized by the Wi-Fi alliance. Problems with attenuation and interference. Can't send and receive using the same frequency band, making it half duplex
Stations(STA) Wireless client devices and AP(type of STA)
Network Interface Card(NIC) For stations: built-in. USB and other interfaces
Ad hoc mode(IBSS) Peer-to-peer without using the Access Point. STA uses the other STA's MAC address to connect
Access point(AP) Provides wireless LAN devices with a point of access into a wired network. Wireless comm. base station. 100-150 metre range
Basic Service Set(BSS) Consists of wireless clients and single AP.  Identified by SSID. Clients communicate only through the AP. AP is usually connected to the wired network
Extended Service Set(ESS) 2+ BSS wireless networks installed in the same area, using multiple APs. The APs are connected via wired network called Distribution System(DS). Shares a common SSID called ESSID. Mobile access across a larger area
Service Set Identification (SSID) Wifi network name
Unlicensed National Information Infrastructure(U-NII) More bandwidths were set aside as U-NII bands. They are in the 5 GHz range
Created by: jolly_n4
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