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Hands on Ethical Hacking and Network Defense Ch 11 Hacking Wireless Networks
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Key Terms and Review Questions
Terms in this set (29)
An IEEE standard that defines the process of authenticating and authorizing users on a network before they're allowed to connect.
access point (AP)
A radio transceiver that connects to a network via an Ethernet cable and bridges a wireless network with a wired network.
A wireless network that doesn't rely on an AP for connectivity; instead, independent stations connect to each other in a decentralized fashion.
The height of a sound wave; determines a sound's volume.
basic service area (BSA)
The coverage area an access point provides in a wireless network.
basic service set (BSS)
The collection of connected devices in a wireless network.
Specific frequency ranges within a frequency band in which data is transmitted.
Multiple sub-bits representing the original message that can be used for recovery of a corrupted packet traveling across a frequency band.
Extensible Authentication Protocol (EAP)
An enhancement to PPP designed to allow an organization to select an authentication method.
The number of sound wave repetitions in a specified time; also referred to as cycles per second.
An area in the electromagnetic spectrum with a frequency above microwaves; an infrared signal is restricted to a single room or line of sight because IR light can't penetrate walls, ceilings, or floors. This technology is used for most remote controls.
The mode a wireless network operates in, whereby centralized connectivity is established with one or more APs. It's the most common type of WLAN and differs from an ad-hoc network, which doesn't require an AP.
Institute of Electrical and Electronics Engineers (IEEE)
An organization that creates standards for the IT industry.
metropolitan area networks (MANs)
The 802.16 standard defines the Wireless MAN Air Interface for wireless MANs and addresses the limited distance available for 802.11b WLANs. The most widely used implementation of wireless MAN technology is WiMAX. See also Worldwide Interoperability for Microwave Access (WiMAX).
Mobile Broadband Wireless Access (MBWA)
The 802.20 standard, with a goal similar to mobile WiMAX; addresses wireless MANs for mobile users sitting in trains, subways, or cars traveling at speeds up to 150 miles per hour.
A process that defines how data is placed on a carrier signal.
A technology that uses microwave radio band frequencies to transmit data. The most popular uses of this technology are cordless phones and garage door openers.
Protected EAP (PEAP)
An authentication protocol that uses Transport Layer Security (TLS) to authenticate the server to the client but not the client to the server; only the server is required to have a digital certificate.
service set identifier (SSID)
The name of a WLAN; can be broadcast by an AP.
In this technology, data is spread across a large-frequency bandwidth instead of traveling across one frequency band.
An addressable unit in a wireless network. A station is defined as a message destination and might not be a fixed location.
A wireless user attempting access to a WLAN.
The act of driving around an area with a laptop computer that has a WNIC, scanning software, and an antenna to discover available SSIDs in the area.
Wi-Fi Protected Access (WPA)
An 802.11i standard that addresses WEP security vulnerabilities in 802.11b; improves encryption by using Temporal Key Integrity Protocol (TKIP). See also Wired Equivalent Privacy (WEP).
Wired Equivalent Privacy (WEP)
An 802.11b standard developed to encrypt data traversing
a wireless network.
wireless LAN (WLAN)
A network that relies on wireless technology (radio waves) to operate.
wireless network interface cards (WNICs)
Controller cards that send and receive network traffic via radio waves and are required on both APs and wireless enabled computers to establish a WLAN connection.
wireless personal area network (WPAN)
A wireless network specified by the 802.15 standard; usually means Bluetooth technology is used, although newer technologies are
being developed. It's for one user only and covers an area of about 10 meters.
Worldwide Interoperability for Microwave Access (WiMAX)
The most common implementation of the 802.16 MAN standard. See also metropolitan area networks (MANs).
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