Chapter 22 Wireless Networking

Ace your homework & exams now with Quizwiz!

What is WPA2

An upgraded version of WPA that is the most secure service, using Advanced Encryption Standard (AES) and other improvements.

What is Z-Wave?

Another standard for home automation using 900mhz

Jim wants to be able to access his favorite website wirelessly with his new laptop from anywhere. What would he need to install/configure to allow him to do so?

Cellular card

Wireless NIC

Connects a computer to a network using radio frequencies.

BSS (Basic Service Set)

In IEEE terminology, a group of stations that share an access point.

What does zigbee have against its peers

Longer connection than Bluetooth and less power consumption than WiFi

What type of wireless network is being used when several personal Devices are sharing files?

PAN

802.11b

Wireless networking standard that operates in the 2.4-GHz band with a theoretical maximum throughput of 11 Mbps.

802.11ac

Wireless networking standard that operates in the 5-GHz band and uses multiple in/multiple out (MIMO) and multi-user MIMO (MU-MIMO) to achieve a theoretical maximum throughput of 1 Gbps and a max rang of 300ft

What is a proxy server?

a server that caches and filters content Middle man

How many channels are available with IEEE 802.11?

11

What port does the radio server always use?

1812

What wireless standard is backwards compatible with 802.11b?

802.11g

What wireless standard is backwards compatible with 802.11g

802.11n devices are backward compatible with it

Transmit Beamforming

A multiple-antenna technology in 802.11n WAPs that helps get rid of dead spots.

Infrastructure mode

A wireless configuration that uses one or more WAPs to connect wireless workstations to the cable backbone.

802.11n

A wireless network standard that defines speeds of up to 600 Mbps. It is downward-compatible with 802.11a, 802.11b, and 802.11g. And a 300ft range and more.

What is the standard encryption method used in WAP2

AES

Higher frequencies tend to do what

Absorb other objects

What is it called when several computers are sharing files without WAP?

Ad-Hoc mode

What is WPS used for?

Ease of configuration of and connection to wireless networks.

The rooms on the west side of a house do not get enough wireless signal to allow use of the wireless network. What can you do to fix this?

Install a second WAP to extend range of wireless network

What is ZigBee?

It is a open standard IEEE 802.15.4 alternative to Bluetooth and WiFi And at ISM band it communicates at 900mhz and 2.4Ghz

What is CSMA/CA

It's a standard in which the wireless node listens to see if another node is broadcasting data. If so, it waits a random time and retries.

Which technology improves the gain when using wireless technology

MIMO

What are printing protocols ?

SMB IPP Internet Printing Protocol LPD Line Printer Daemon

What is the most basic form of security in wireless network?

SSID

802.11

The IEEE standard for wireless networking.

Gain

The ratio of the signal level at the output of an audio device to the signal level at its input. Expressed in decibels (db).

What is IBSS

Two or more wireless nodes communicating in ad-hoc mode

802.11g

Uses the 2.4-GHz frequency band and provides a maximum theoretical throughput of 54 Mbps and max range of 300ft. Compatible with b and g

WPS

WiFi Protected Setup

What is WAP used for

Wireless Application Protocol

802.11a

Wireless networking standard that operates in the 5-GHz band with a theoretical maximum throughput of 54 Mbps.

Dead spots

areas of destructive interference

Wireless Access Point (WAP)

enables devices to connect to a wireless network to communicate with each other

What is EBSS

is a set of one or more infrastructure basic service sets on a common logical network segment

What is Personal area network

is the interconnection of information technology devices within the range of an individual person, typically within a range of 10 meters.

What is IrDA

provides specifications for a complete set of protocols for wireless infrared communications, and the name "IrDA" also refers to that set of protocols.

Dipole Atenna

simplest and most widely used class of antenna

RFID

technology that uses radio waves to passively identify a tagged object.

What is WPA

uses the temporal key integrity protocol (TKIP), which dynamically changes the key that the systems use.

what is WEP (Wired Equivalent Privacy)

was often the first security choice presented to users by router configuration tools.

A user reports that he/she is unable to see computers when he open opens the network window. Which is the first step to take? A).Ask client to ping another PC C).Ask client to verify DHCP is working D).Determine if any other are have troubles B).Ask client to run ipconfig

D

ad hoc mode

Decentralized wireless network mode, otherwise known as peer-to-peer mode, where each wireless node is in meshed contact with every other node.

What is the wireless framework authentication?

EAP

IEEE

Institute of Electrical and Electronics Engineers


Related study sets

Sentence transformations - Prof 1 EoYE

View Set

Chapter 2- Life Insurance Basics

View Set

AP Art History Unit VIII Test (Chapters 14 and 20)- everything but specific works of art.

View Set

Ch. 9 Cellular Respiration & Fermentation

View Set

Network+: transport layer protocols

View Set

Present Simple or Present Continuous?

View Set