WLAN

Question 1

AP

Answer 1

Wireless Access Point
Interconnects wired LAN with WLAN
Can be multiple on a single wireless router

Question 2

Gain

Answer 2

Strength of electromagnetic waves radiated from an antenna

GdBi = 10 * log to the tenth power (G)

Question 3

Omnidirectional Antenna

Answer 3

Radiates power at equal levels in all directions

Question 4

Unidirectional Antenna

Answer 4

Focus power in a specific direction

Question 5

ISM

Answer 5

Industrial, Scientific, Medical

Question 6

CSMA/CA

Answer 6

Carrier-Sense Multiple Access Collision Avoidance
Used by WLAN
If traffic is heard, device waits random amount of time before transmitting

Question 7

WLC

Answer 7

Wireless LAN Controller

Centralized management and control of APs

Question 8

RFI

Answer 8

Radio Frequency Interference

Other WLAN devices, cordless phones, microwaves, wireless security system, physical obstacles, signal strength

Question 9

Goodput

Answer 9

Number of useful information bits network delivers

Question 10

War Driving

Answer 10

Malicious users searching for unsecured WLANs

Question 11

War Chalking

Answer 11

Symbol advising others about characteristics of unsecured WLAN

Question 12

WEP / WPA Security Cracking

Answer 12

Mathematical algorithms can determine the PSK after gathering enough packets.

Question 13

Rogue Access Point

Answer 13

AP set up by malicious user

Question 14

Evil Twin

Answer 14

Rogue access point configured with SSID as legitimate AP

Question 15

MIC

Answer 15

Message Integrity Check

Used by TKIP to confirm data was not modified in transit

Question 16

CCMP

Answer 16

Cipher Block Chaining Message Authentication Code Protocol