Chapter 5

Question 1

802.11a

Answer 1

provides wireless LAN bandwidth of up to 54 Mbps at 5GHz frequency
169

Question 2

802.11b

Answer 2

bandwidths up to 11Mbps at 2.4GHz frequency

169

Question 3

802.11g

Answer 3

bandwidths up to 54Mbps at 2.4 GHz frequency

170

Question 4

802.11i

Answer 4

provides for security enhancements to the wireless standard with particular focus on authentication. The standard is often referenced as WPA2, the name given to it by the Wi-Fi Alliance
170

Question 5

802.11n

Answer 5

bandwidths up to 600 Mbps (theoretical) can operate at either 5Ghz or 2.4 GHz
170

Question 6

Bluesnarfing

Answer 6

Gaining of unauthorized access through a Bluetooth connection. Can be accessed through a smartphone. Allows hackers to copy data

Question 7

Site survey

Answer 7

determines what types of systems are in use, the protocols used, and other critical info about your network

Question 8

War Driving

Answer 8

Driving around town with a laptop in promiscuous mode looking for open WAPs
185

Question 9

War Chalking

Answer 9

Once someone discovers an open network, they will leave signals in the real world so other people can hack into the system
185

Question 10

LEAP

Answer 10

Lightweight Extensible Authentication Protocol

Created by Cisco as a quick fix to WEP’s incompetencies
Still considered a weak solution to the problem
182

Question 11

PEAP

Answer 11

Protected Extensible Authentication Protocol

Replaced LEAP. Supports all Windows operating systems since XP. Establishes an encrypted channel between server and client
182

Question 12

WPS

Answer 12

Wifi Protected Setup

Usually requires the user to do something (often physical) to complete the enrollment process
182

Question 13

WPS Attacks

Answer 13

Brute Force attacks used to guess a user’s PIN. Once they guess it you’re screwed
182

Question 14

NFC

Answer 14

Near Field Communication

Requires a user to bring the client close to the AP in order to verify that the device is present. Like bumping phones

Question 15

EAP

Answer 15

Extensible Authentication Protocol

Framework for authentication that is often used with wireless networks
181

Question 16

Types of EAP

Answer 16

EAP-TLS
EAP-PSK
EAP-MDS
LEAP
PEAP
181

Question 17

Captive Portal

Answer 17

Requires users to agree to some condition before they use the network or Internet. They must agree on some condition
180

Question 18

Antenna Types

Answer 18

Omnidirectional - signal all direction
Directional - Focuses signal in one direction. It can often reach farther
178

Question 19

Gain Value

Answer 19

Way of rating an antenna expressed in dBi

Question 20

Network Lock

Answer 20

Another way of saying MAC filtering

Question 21

WAP security level

Anonymous Authentication

Answer 21

Allows anyone to connect to a portal

Question 22

WAP security level

Server Authentication

Answer 22

Requires the workstation to authenticate against the server

Question 23

WAP security level

Two-way Authentication

Answer 23

Requires both the client and the server to authenticate the mobile system’s network

Question 24

WSP

Answer 24

Wireless Session Protocol

manages the session information and connection between the devices
175

Question 25

WTP

Answer 25

Wireless Transaction Protocol

provides similar services to TCP/UDP for WAP
175

Question 26

WTLS

Answer 26

Wireless Transport Layer Security

The security layer of WAP
175

Question 27

WDP

Answer 27

provides the common interface between devices

175

Question 28

WTLS

Answer 28

Wireless Transport Layer Security

Security layer of WAP. Provides authentication, encryption, and data integrity
173

Question 29

CCMP

Answer 29

Counter Mode with Cipher Block Chaining Message Authentication Code Protocol

uses 128-bit AES with 48-bit initialization vector. Increases difficulty of cracking and minimizes risk of replay attack
172