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572318
u8.1 Wireless LAN
Descripción
Masters Degree Network Security Mapa Mental sobre u8.1 Wireless LAN, creado por Craig Parker el 23/02/2014.
Sin etiquetas
network security
network security
masters degree
Mapa Mental por
Craig Parker
, actualizado hace más de 1 año
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Creado por
Craig Parker
hace alrededor de 10 años
145
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Resumen del Recurso
u8.1 Wireless LAN
Advantages
Unrestricted by wired network connections
Practical benefit of being free to roam, not tied to any specific location to access a pc IE doctors, manufacturing
Increased flexibility, offered in places where wired cant
Allows reorganisation of shops/offices without having to think of cabling
Business benefit of offering it to customers, coffee shops, airports etc
Vulnerabilities
Anyone can transmit
no legal control of Wireless networking frequencies
Anyone can transmit on any signal jamming the freqency
This leads to denial of service
Threat of masquerading
Attacker can pretend to be a legitimate signal and get you to connect
Wireless sometimes shared with other technologies
Possibility that users of those technologies causing an DOS
Anyone can receive wifi signals
Cant limit the distance of a radio signal travels or confine it to a floor or specific building
Therefore difficult to limit the population who could receive a wifi signal
Components
Station - Desktop, laptop, phone, pda etc
Has wireless NIC
Access point
bridge between wireless and wired NW
Standards
802.11
1,2 MBPS
802.11b
5.5 & 11 MBPS
802.11a
up to 54 MBPS
802.11g
up to 54 MBPS
802.11n
up to 150 MBPS
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