Wireless Flashcards
Wireless management protocols and services
Authentication
Association
Data Delivery
Privacy
BSS
Basic Service Set
Ad hoc network that is the fundamental topology of WLAN
Access Point
Transceiver that interconnects data from WLAN to wired network
ESS
Extended Service Set
Multiple access points in a WLAN
CSMA/CA
Carrier Sense Multiple Access/Collision Avoidance
Client station listens for traffic. If channel is busy the client waits a random amount of time.
Pseudorandom
Sequence appears random but repeats after a lengthy period of time
Services provided by WLAN adapter
Delivery of data
Authentication
Privacy
Spatial Diversity
Provided by two antennas on the access point
Bluetooth
- 15
2. 4 GHz ISM frequency band
WiMAX
Worldwide Interoperability for Microwave Access
Broadband wireless access for fixed and mobile stations
Wireless alternative for last mile access in 2 - 66 GHz range
RFID
Radio Frequency Identification
Radio waves to track people, animals, objects, and shipments
Backsatter
Radio waves strike RFID tag and reflect back to transmitter source
CDMA
Code Division Multiple Access
LTE/4G
Long Term Evolution
10x 3G speeds
HSPA+
Evolved High-Speed Packet Access
comparable to LTE