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Front 1

RF (radio frequency)

Back 1

electromagnetic waves generated by AC and sent to an antenna within the electromagnetic spectrum.

Front 2

IrDA (infrared data association)

Back 2

defines protocol standards for the short range exchange of data over infrared light for users such as PANs

Front 3

ISM (industrial, scientific, and medical bands)

Back 3

radio bands defined by the ITU-R in 5.138 and 5.150 of the Radio Regulations and shared with license-free, error-tolerant communications applications such as wireless LANs and Bluetooth.

Front 4

Bluetooth

Back 4

wireless industry standard that uses an unlicensed radio frequency for short-range communication enabling portable devices to communicate over short distances.

Front 5

WLAN (wireless local area network)

Back 5

two or more computers or devices equipped to use spread-spectrum technology based on radio waves for communication within a limited area

Front 6

Encryption

Back 6

the application of a specific algorithm to data so as to after the appearance of the data making it incomprehensive to those who are not authorized to see the information

Front 7

Authentication

Back 7

a process implanted on a network to verify the identity of a user

Front 8

802.11a

Back 8

IEEE standard for wireless LANS that operates in 5 GHz band, uses 52-subcarrier orthogonal frequency-division multiplexing (OFDM) with a maximum raw data rate of 54 Mbps

Front 9

802.11b

Back 9

the first widely accepted wireless networking standard. Since it operates in the 2.4 GHz band, other devices that operate in the same band can cause interference.

Front 10

802.11g

Back 10

an extension of the 802.11 standard. 802.11g applies to wireless LANs and provides up to 54 Mbps. Since it operates in the 2.4 GHz band, other devices that operate in the same band can cause interference.

Front 11

802.11n

Back 11

a proposed new extension to the 802.11 standard. 802.11n applies to wireless LANs and provides up to 540 Mbps in the 2.4 or 5 GHz band.

Front 12

Throughput

Back 12

the rate at which a computer or network sends or receives data measured in bits per second (bps).

Front 13

Wireless Client

Back 13

any host device that can connect to a wireless network

Front 14

STA (STAtion)

Back 14

a basic network device

Front 15

SSID

Back 15

service set identifier. The code assigned to a packet that designates that the communication is part of a wireless network

Front 16

IBSS (independent basic service set)

Back 16

an 802.11 network comprised of a collection of stations that communicate with each other, but not with a network infrastructure.

Front 17

BSS (basic service set)

Back 17

a group of 802.11 devices connected to an access point

Front 18

ESS (extended service set)

Back 18

a collection of BSSs that communicate with one another through the distribution system (usually the wired Ethernet port on an access point)

Front 19

CSMA/CA (carrier sense multiple access with collision avoidance)

Back 19

the basic medium access method for 802.11 wireless networks

Front 20

RTS (request to send)

Back 20

along with clear to send, us used by the 802.11 wireless networking protocol to reduce frame collisions introduced by the hidden terminal problem and exposed node problem.

Front 21

CTS (clear to send)

Back 21

along with request to send (RTS), is used by the 802.11 wireless networking protocol to reduce frame collisions introduced by the hidden terminal problem and exposed node problem

Front 22

ACK (acknowledgement)

Back 22

a transmission control character (or a transmission frame) that confirms a transmitted message was received uncorrupted or without errors or that the receiving station is ready to accept transmissions

Front 23

MAC filtering

Back 23

access control method that permits and denies network access based on MAC addresses to specific devices through the use of blacklists and whitelists.

Front 24

Open authentication

Back 24

a type of wireless authentication where any and all clients are able to associate regardless of who they are

Front 25

PSK (pre-shared key)

Back 25

a secret shared between the wireless AP and a client to control access on a network

Front 26

EAP (extensible authentication protocol)

Back 26

an authentication framework, not a specific authentication mechanism. Most commonly used in wireless LANs, EAP provides common functions and a negotiation of the desired authentication mechanism

Front 27

RADIUS (remote authentication dial in user service)

Back 27

an AAA (authentication, authorization, and accounting) protocol used for security applications, such as network access or IP mobility. It authenticates users and machines in both local and remote situations.

Front 28

WEP (Wired Equivalent Privacy)

Back 28

part of the IEEE 802.11 wireless networking standard that provides a low level of security.

Front 29

WPA (Wi-Fi Protected Access)

Back 29

developed to address security issues in WEP. Provides higher level of security in a wireless network.

Front 30

Firmware

Back 30

software embedded in a hardware device typically provided on flash ROMs or as a binary image file that can be uploaded onto existing hardware by a user.

Front 31

Site survey

Back 31

the process of evaluating a network solution to deliver the required coverage, data rates, network capacity, roaming capability, and Quality of Service.