Lesson 4: Wireless Networking

Question 1

Access Point

Answer 1

A transceiver used to interconnect a wireless and a wired LAN

Question 2

Ad Hoc

Answer 2

Another term used to describe an independent network

Question 3

Backscatter

Answer 3

Refers to the reflection of the radio waves striking the RFID tab and reflecting back to the transmitter source

Question 4

Basic Service Set (BSS)

Answer 4

Term used to describe an independent network

Question 5

Beacon

Answer 5

Used to identify a wireless link and to verify the integrity of a wireless link

Question 6

Beamforming

Answer 6

A technique used to direct transmission of the radio signal to a specific device

Question 7

BWA

Answer 7

Broadband wireless access

Question 8

CSMA/CA

Answer 8

Carrier sense multiple access/collision avoidance

Question 9

DSSS

Answer 9

Direct sequence spread spectrum

Question 10

EAP

Answer 10

Extensible Authentication Protocol

Question 11

Extended Service Set (ESS)

Answer 11

The use of multiple access points to extend user mobilitiy

Question 12

FHSS

Answer 12

Frequency hopping spread spectrum

Question 13

Hand-off

Answer 13

When the user’s computer establishes an association with another access point

Question 14

Hopping Sequence

Answer 14

The order of frequency changes

Question 15

ISM

Answer 15

Industrial, scientific and medical

Question 16

Last Mile

Answer 16

The last part of the connection from the telecommunications provider to the customer

Question 17

MIMO

Answer 17

A space-division multiplexing technique where the data stream is split into multiple parts called spatial streams

Question 18

Multiuser MIMO (MUMIMO)

Answer 18

Use of MIMO technology with eight spatial streams

Question 19

NLOS

Answer 19

Non-line-of-sight

Question 20

OFDM

Answer 20

Orthogonal frequency division multiplexing

Question 21

Paging Procedure

Answer 21

Used to establish and synchronize a connection between two Bluetooth devices

Question 22

Pairing

Answer 22

When a Bluetooth device is set up to connect to another Bluetooth device

Question 23

Passkey

Answer 23

Used in Bluetooth Security to limit outsider access to the pairing

Question 24

Piconet

Answer 24

An ad hoc network of up to eight Bluetooth devices

Question 25

Pseudorandom

Answer 25

The number sequence appears random but actually repeats

Question 26

Radio Frequency Identification (RFID)

Answer 26

A technique that uses radio waves to track and identify people, animals, objects, and shipments

Question 27

RADIUS

Answer 27

Remote Authentication Dial-In User Service

Question 28

Roaming

Answer 28

The term used to describe a user’s ability to maintain network connectivity as he moves through the workplace

Question 29

Site Survey

Answer 29

Performed to determine the best location(s) for placing the access point(s) to provide maximum RF coverage for the wireless clients

Question 30

Slotted Aloha

Answer 30

A wireless network communications protocol technique similar to the Ethernet protocol

Question 31

SSID

Answer 31

Service set identifier

Question 32

Transceiver

Answer 32

A transmit/receive unit

Question 33

War Driving

Answer 33

Using wireless equipment to detect wireless management packets

Question 34

Wi-Fi

Answer 34

Wi-Fi Alliance—an organization that tests and certifies wireless equipment for compliance with the 802.11x standards

Question 35

WiMAX

Answer 35

A broadband wireless system based on the IEEE 802.16e standard

Question 36

WLAN

Answer 36

Wireless local area network

Question 37

WPA

Answer 37

Wi-Fi Protected Access