أخصائي شبكات لاسلكية wts الإصدار الأول
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---------------- ----
------------ ---- -------- -------- ---------------- ---- ----
---- --------------------------------
- - HaMoDe.SyRiA -----
---- ---- ---- ---- ------------ ----
" "
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---- ----
---- ----
----
----
MCSE in progress
CCNA in progress
CWNA in progress
vb\www.alwaha.com
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MCSE
lumark_s
CCNA 70----270
CCNA
wobooo
----Abo Samra
Cisco_Designer---- ----
Complover----alaa_elmahdy---- A_Baidak
,
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" "
http://www.alwaha.com/vb/t37138.html
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CWNP CWTS
2009 #wireless
#wireless .
bluetooth wimax zigbee
infrarad
CWNA
CCNA wireless
#wireless
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vb\www.alwah.com
http://www.alwaha.com/vb/t50920.html
gate.comwww.edu.arabs
http://edu.arabsgate.com/showthread.php?t=548252
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CWTSCWNP
cwnp cwts sypex #wirelesssypex cwnamcgrow hall cwna ccna wireless cwnp WI-FI
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""
" WTS "
Wireless Technologies, Standards, and Certifications
1. Define the roles of the following organizations in
providing direction and accountability within the
wireless networking industry
IEEE
Wi-Fi Alliance Regulatory Domain Governing Bodies
2. Define basic characteristics of Wi-Fi technology
Range, coverage, and capacity Frequencies/channels used Channel reuse and co-location
Active and passive scanning Authentication and association
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Power saving operation Data rates and throughput Dynamic rate selection The distribution system and roaming Infrastructure and ad hoc modes BSSID, SSID, BSS, ESS Protection Mechanisms
3. Summarize the basic attributes and advantages of
the following WLAN standards, amendments, and
product certifications
Wi-Fi certification 802.11a 802.11b 802.11g 802.11n
Wi-Fi Multimedia (WMM) certification WMM Power Save (WMM-PS) certification Wi-Fi Protected Setup (WPS) certification
Push-button PIN-based
Wi-Fi Protected Access (WPA/WPA2)certification
Enterprise Personal
:)
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1. Wireless Technologies, Standards, and
Certifications
2. Hardware and Software3. Radio Frequency (RF) Fundamentals4. Site Surveying and Installation5. Applications, Support, and Troubleshooting6. Security & Compliance
Wi-Fi
.
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PAN( Personal Area Network)
IR InfraRed
LAN (Local Area Network)
WI Fi
ZigBee
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MAN (Metropolitan Area Network)
WAN (Wide Area Network)
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Wireless Certificates
field
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CCNA wireless
ccna
CCNP Wireless
CCIE Wireless
EC-COUNCILE
ethical hacker
CWNP
CWNP
CWNA -Certified Wireless LAN Administrator
CWNE - Certified Wireless Networking Expert
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- CWSP (Certified Wireless Security -Professional)
- CWNT -(Certified Wireless Networking Trainer)
.
CWTS
CWNA
pw0-104 pw0-100
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CWTS
.
PW0-070 .:125 .2009 .:90 .:60
: .
80%% (:70
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.: . :
:
:www.cwnp.com :
http://www.cwnp.com/certifications/cwts/index.html
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Wi - fi - HOTSPOTS WIRELESS FIDELITY
( (WirelessNotebook PC Pocket Pc: i-mate .
PDA" "
wireless lan wi-fipan = personal area network
WANGPRS MANwimax
100 45
)( 5411Wi-Fi
.
100 . . 2010
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: 1111 ---- WirelessWirelessWirelessWireless TecTecTecTechnologies,hnologies,hnologies,hnologies, standards, andstandards, andstandards, andstandards, and
certificationscertificationscertificationscertifications
1.1 wireless Technologies , standards, and certifications
1.2 Define the roles of the following organizations in providing directionand accountability within the wireless networking industry #
1.3 Define basic characteristics of Wi-Fi technology #
1.4 Summarize the basic attributes and advantages of the following WLANstandards, amendments, and product certifications
cwnp field
wireless ccna wireless
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: 1.11.11.11.1 Define the roles of the following organizations inDefine the roles of the following organizations inDefine the roles of the following organizations inDefine the roles of the following organizations in
providing direction and accountabilityproviding direction and accountabilityproviding direction and accountabilityproviding direction and accountability within thewithin thewithin thewithin the
wireless networking industrywireless networking industrywireless networking industrywireless networking industry
* IEEE
* Wi-Fi Alliance
* Regulatory Domain Governing Bodies
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(Institute of El
IEEE
ctrical and Electronics
ngineers)
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IEEE 802.x 221 X
IEEE 802.1 Bridging (networking) and Network ManagementIEEE 802.2 Logical link control (inactive)
IEEE 802.3 EthernetIEEE 802.4 Token bus (disbanded)IEEE 802.5 Defines the MAC layer for a Token Ring (inactive)IEEE 802.6 Metropolitan Area Networks (disbanded)IEEE 802.7 Broadband LAN using Coaxial Cable (disbanded)IEEE 802.8 Fiber Optic TAG (disbanded)IEEE 802.9 Integrated Services LAN (disbanded)
IEEE 802.10 Interoperable LAN Security (disbanded)IEEE 802.11 Wireless LAN & Mesh (Wi-Fi certification)IEEE 802.12 demand priority (disbanded)IEEE 802.13 Cat.6 10Gb lan (new founded)IEEE 802.14 Cable modems (disbanded)IEEE 802.15 Wireless PANIEEE 802.15.1 (Bluetooth certification)
IEEE 802.15.4 (ZigBee certification)IEEE 802.16 Broadband Wireless Access (WiMAXcertification)IEEE 802.16e (Mobile) Broadband Wireless AccessIEEE 802.17 Resilient packet ringIEEE 802.18 Radio Regulatory TAGIEEE 802.19 Coexistence TAG
IEEE 802.20 Mobile Broadband Wireless AccessIEEE 802.21 Media Independent HandoffIEEE 802.22 Wireless Regional Area Network
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IEEE 802.11 Wireless LAN & Mesh (Wi-Fi certification)
wi-fi certification
Institute of Electrical and . Electronics Engineers, Inc. IEEE(Eye-
triple-E)
. .
American Institute of 1963 IEEE-Electrical Engineers 1884( IRE )
Institute of Radio Engineers 1912.* IEEE- IEEE-
- " 40 40 8 11-
1999 "
. ""
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- IEEE
. - IEEE 30
300 900 500 .
.
900 400 .
.
.
* * * * *
http://www.ieee.org/web/societies/home/index.html
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*. .
.
. 1 IHS
http://www.ieee.org/web/membership/home/index.html
http://www.ieee.org/portal/site
http://www.ieee.org/web/services/gen...itemap_Ar.html
http://www.iugaza.edu/ieee/Index.html
http://www.ieee.org/web/membership/join/join.html
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WIFI ALLIANCE
wifi alliance wi-fiIEEE802 WLAN
IEEE
IEEE
1999 wi-fi alliance
20 300
-11-6 "5000 2009
" "
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:
ieee802 :
:
5000
http://www.wi-fi.org/our_members.php
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http://certifications.wi-fi.org/wbcs...ts.php?lang=en
events
Mobile Broadband June 16 - 18, 2009
http://www.wi-fi.org/events_overview.php
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Regulatory Domain Governing BodiesRegulatory Domain Governing BodiesRegulatory Domain Governing BodiesRegulatory Domain Governing Bodies
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60
"
" :
TELECETSIFCC
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FCCFCCFCCFCCFederal CFederal CFederal CFederal Communications Commissionommunications Commissionommunications Commissionommunications Commission
1934
ETSIETSIETSIETSI
TELECTELECTELECTELECthe Telecom Engineering Centerthe Telecom Engineering Centerthe Telecom Engineering Centerthe Telecom Engineering Center
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FCC
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: Define basic characteristics of WiDefine basic characteristics of WiDefine basic characteristics of WiDefine basic characteristics of Wi----Fi technologyFi technologyFi technologyFi technology
* Range, coverage, and capacity* Frequencies/channels used* Channel reuse and co-location* Active and passive scanning* Power saving operation
* Data rates and throughput* Dynamic rate selection* Authentication and association* The distribution system and roaming* Infrastructure and ad hoc modes* BSSID, SSID, BSS, ESS* Protection Mechanisms
Infrastructure and ad hoc modes
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Range, coverage, and capacityRange, coverage, and capacityRange, coverage, and capacityRange, coverage, and capacity
" "
range
RF
802.11a 802.11 b 802.11 g
500
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- coverage -
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r v
Capacity
capacity
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Frequencies/channels usedFrequencies/channels usedFrequencies/channels usedFrequencies/channels used
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..
5 2.4
ISM (indistrial , sciebtific , and 2.4Medical )
cordless
928 902 900 - 2.5 2.4 2.4 - 5.875 5.725 5.8 -
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FCC 2.4835 2.4
802.11 2.4 802.11b , 802.11g
UNI (unlicensed National Information 5Infrastructure , Pronounced)
100
* U-NII Low: 5.15-5.25 GHz.
* U-NII Mid: 5.25-5.35 GHz.
* U-NII Upper: 5.725 to 5.825 GHz.
U-NII / ISM
U-NII 2003FCC Worldwide5.47-5.725GHz
2.4
5 .Bluetooth
. 5 .
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channel reusechannel reusechannel reusechannel reuse
#wireless CWNA
SIM U-NII
802.11b/g 114 161 34 802.11a 17
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CELL
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channel
U-NII SIM
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channel reuse
SIM 802.11 b/g
802.11a
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Passive Scanning and Active scanningPassive Scanning and Active scanningPassive Scanning and Active scanningPassive Scanning and Active scanning
cwts # wireless
cwna
AP = access point
client
AP
beacon
probe requestAP
SSIDAP
AP AP clientsAP
passive scanningpassive scanningpassive scanningpassive scanning
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passive wifi client scanning APAPbeacons
AP beacons - Client passive scanning
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AP SSIDclient client
AP
active scanningactive scanningactive scanningactive scanning
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AP probe request client active scanning
probe response AP
authentication
probe client request SSID AP
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802.11 PROBE REQUEST SSID
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Power SavingPower SavingPower SavingPower Saving
--
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" " power saving
sleeping
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CAM (Constantly Awake Mode)
Max_PSP (Max Power Saving Mode)
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AP AP AP
TIM = traffic power saving
indication map broadcast broadcast AP
" " AP beacons
DTIM= delivery traffic indication map TIM
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= TIM AD HOC AP
traffic indication map ATIM = ad hoc traffic indication
map unicastunicast multicast
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Data Rate and ThroughputData Rate and ThroughputData Rate and ThroughputData Rate and Throughput
Bandwidth bandwidth
Data ratesThroughput
Dynamic rate selection
Data rateData rateData rateData rate
datarate Mbps
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Actual ThroughputActual ThroughputActual ThroughputActual Throughput
11 11mbps
data rate 50%
power save mode
OSI
bits framePacket
zeroesones
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Dynamic rate selectionDynamic rate selectionDynamic rate selectionDynamic rate selection
..
...
data rate
data rate data rate
data rate
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=0.31data rate
data rate
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throughput
data rate
advanced wirelessperformance -
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rate -data ratebasic rateTxRate
auto
21 350
60 54
data rate ad hock
device manger
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Authentication and associationAuthentication and associationAuthentication and associationAuthentication and association
cwna #wireless
active and passive scanning active scanning client
passive access point scanning
access point client access point authentication
access point
username passward wifi
RJ45 802.3
802.11
access point
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Open system authenticationShared key authentication
Open system authenticationOpen system authenticationOpen system authenticationOpen system authentication
- ..-
client
access point client frame
access client authentication frame-1
point ACKclientaccess point-2
access point -3
ACK client-4
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Shared key authenticationShared key authenticationShared key authenticationShared key authentication
access pointclientauthentication frame-1" "
ACK -2" "
-3 128*8 128" "
ACK -4" "
-5" "
ACK -6" "
-7 decrypt
" "ACK -8
authenticatiin frames ACK
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The distribution system and roamingThe distribution system and roamingThe distribution system and roamingThe distribution system and roaming
distribution system
AP Lily pad
roaming .
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rooming
.
roaming
ssid channel channel
reuse
broadcst subnet
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Infrastructure and ad hoc modesInfrastructure and ad hoc modesInfrastructure and ad hoc modesInfrastructure and ad hoc modes
straight,, cross over cross over peer to peer
straight cable
.. Ad hocpeer to peer infrastructure
Ad hoc ModeAd hoc ModeAd hoc ModeAd hoc Mode
IBSSIBSSIBSSIBSS
Ad hoc WiFi. Data
Access Point
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Infrastructure . AccessPoint Ad hoc.Ad hoc
.: created with a specific purpose ". : "
.: Ad hoc . . Ad hoc
Independent (IEEE 802.11 Basic Service Set IBSS) .
SSID is HOME-AD HOC Open system authentication is enabled WEP is enabled Ad hoc mode is enabled The WEP encryption key is 104 bits long, in
hexadecimal format, using key index 1 (the first
encryption key position), and consists of the sequence
"19a8bce753ed4e6a410b730fa4".
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Infrastructure ModeInfrastructure ModeInfrastructure ModeInfrastructure Mode
BSSBSSBSSBSS
. :
.
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SSID.
( .
) .
Basic Service Set (IEEE 802.11 BSS) .
access point
dhcp
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infrastrucure
SSID is HOME-AP Open system authentication is enabled. WEP is enabled The WEP encryption key is 104 bits long, in
hexadecimal format, using key index 1 (the first
encryption key position), and consists of the sequence"8e7cd510fba7f71ef29abc63ce".
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infra
ad hoc
infra
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BSSIDBSSIDBSSIDBSSID
Basic Service Set IdentifierBasic Service Set IdentifierBasic Service Set IdentifierBasic Service Set Identifier
....Ethernet MACEthernet MACEthernet MACEthernet MAC BSSIDBSSIDBSSIDBSSID :
Media Access Control AddressMedia Access Control AddressMedia Access Control AddressMedia Access Control AddressMAC AddressMAC AddressMAC AddressMAC Address
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OSIOSIOSIOSI data link layerdata link layerdata link layerdata link layer
BSSIDBSSIDBSSIDBSSID BSSIDBSSIDBSSIDBSSID
SSIDSSIDSSIDSSID ....
SSIDSSIDSSIDSSIDService Set IDentifierService Set IDentifierService Set IDentifierService Set IDentifier
SSIDSSIDSSIDSSID SSIDSSIDSSIDSSID ). ( 32323232
. ....
. "" (
WPAWPAWPAWPA MACMACMACMAC Captive Portals)Captive Portals)Captive Portals)Captive Portals)
....
""SSIDSSIDSSIDSSID .
SSID.SSID.SSID.SSID.
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ssidssidssidssid
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BSS
Basic Service Set
: 802.11 (Basic Service Set BSS 802.11(
( Access Point AP )
.) Wireless Network
ESSExtended service set
BSS ) AP (
Distribution System Ethernet
.
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SSID BSS
IBSS
Independent Basic Service Set
AD HOC
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Protection Mechanisms
802.11.b 802.11
5425 802.11.a .50
100 802.11.b . 116.5
802.11.g . 5425 100
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gb
19b 18 mixed mode gprotechted modeprotected mechanism
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Wi-Fi )802.11 ,)802.11a .
802.11b, 802.11g) . .
802.11
.
.
(WiMAX (802.16 802.11
.802.11 802.11.
802.11
o 802.11ao 802.11bo 802.11go 802.11n
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802.11802.11802.11802.11bbbb
IEEE
. (1999(.1999
802.11 IEEE 802.11b
115.5Direct Sequence "
Spread Spectrum DSSS" .GHz2.2822.412 ISM
http://www.informit.com/content/images/irf_guide_security_f ogie/elementLinks/0917tab01.jpg
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5 11 :.802.11g
.(2003(
.
11 802.11b
) ( . 1 25.5
( ).
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).)15050
.
802.11802.11802.11802.11aaaa
)IEEE 802.111b (
5 IEEE 802.11a .
OFDM . 54
. 648362418129
IEEE IEEE 802.11a
802.11b. : IEEE 802.11b
.5
802.11802.11802.11802.11gggg
2003 802.11 IEEE 802.11g. ) IEEE 802.11b(
.2.4
)802.11a)OFDM 802.11g
. 54 (CCK+DSSS 802.11b
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. 802.11b2.4
DSSS,
CCK
11/
. 14
802.11g2.4
OFDM,
CCK,
DSSS
54 /
14. 802.11b.
802.11n2.4
OFDM360/540/
802.11
MIMO
.
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WiWiWiWi----Fi Multimedia (WMM) certificationFi Multimedia (WMM) certificationFi Multimedia (WMM) certificationFi Multimedia (WMM) certification
" "
QOS = Quality of services
Wi-Fi Multimedia wifi alliance (WMM) certification
Voice
Video
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Best effort
.
Background
WMM "NBG-417N "zyxel
Others: Wi-Fi 11b/g, WMM, WPS, Vista Baseline
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- Complies with 802.11n standard, Backwards Compatible
with 802.11 b/g
- Wi-Fi Multimedia (WMM) Support for Quality Video &
Voice Streaming over Wireless Connection
- Advanced Wireless Security Transmission withWPA/WPA2 and 802.1x Support
- Support WPS (Wi-Fi Protected Setup) for simple
security setup
" "
NBG-334SH
802.11g Super G Wireless Firewall RouterTwice The Speed And More Coverage For Homes And
SOHOs
802.11b/g High Power Wireless Connectivity
Optimal Wireless Range and Performance of Up To 108
Mbps Data Rate With Super G Technology
Advanced Media Bandwidth (MBM2) for EfficientMultimedia Bandwidth Allocation
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Advance Wireless Security Transmission with WEP
Encryption and WPA/WPA2 Support
802.11e/Wi-Fi Multimedia (WMM) Support
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WiWiWiWi----Fi Alliance WMM Power Save CertificationFi Alliance WMM Power Save CertificationFi Alliance WMM Power Save CertificationFi Alliance WMM Power Save Certification
Wi-Fi Alliance WMM Power Save Certification IEEE
802.11 e
wi fi
Atheros AR5002AP-2X Access Point
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Broadcom AirForce BCM94704AGR Dual-Band 802.11a/gAccess PointBroadcom AirForce BCM94309CB Dual-Band 802.11a/g PCCardCisco AIR-AP1231G-A-K9 with AIR-RM21A-A-K9Conexant 802.11a/g PRISM WorldRadioMarvell Semiconductor 802.11a/b/g WLAN routerRalink 802.11a/g Mini PCIWinbond Mini PCI 802.11a/b/g WLAN Client
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WPS (WiWPS (WiWPS (WiWPS (Wi----Fi Protected Setup)Fi Protected Setup)Fi Protected Setup)Fi Protected Setup)
Wi-Fi Alliance .January 8, 2007
'Wi-Fi Simple Config
SSID WPS
access point
PIN (Personal Identification Number)
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PBC (push a button)
PIN
NFC (Near Field Communication)
USB
usb
WPS
-WPS -
-
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EAP Extensiblewpa2 -Authentication Protocol
WPS
access point AD HOC -WPS - -
WPS
Sitecom WL-308 Wireless 300N XR routerThe WL-308 Wireless 300N XR router has a WPS hard button
to create a secured connection instantly. WPA-TKIP andWPA-AES encryption are also supported.
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Wi-Fi Protected Access (WPA/WPA2) certification
))WEP
.
.
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".WEP "
IEEE 802.11 WEP
1999.
40 WEP .
.128
WEP .
10 ) )4064
(128 ).A-F)0-9a-f
. 26 )
WEP
WEP ....WPA2WPA
WEP
2003 WPA
IEEE 802.11i2004 WPA2. WPAWPA2 .
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).Pre-Shared Key" (PSK "
.WPA2WPA
.WPA WPA2
IEEE 802.1X WPA2
WEP WPA2 .
Temporal Key
Integrity Protocol (TKIP.(
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ii Hardware and Software
1. Identify the purpose, features, and functions of thefollowing wireless network components. Choose the
appropriate installation or configuration steps in a given
scenario.
Access Points
Lightweight
Autonomous Mesh
Wireless LAN Routers
Wireless Bridges
Wireless Repeaters
WLAN Controller/Switch
Distributed AP connectivity Direct AP connectivity
Layer-2 and Layer-3 AP connectivity
Power over Ethernet Devices
Midspan
Endpoint
2. Identify the purpose,features, and functions of thefollowing client devices. Choose the appropriate installation or
configuration steps in a given scenario.
PC Cards (ExpressCard, CardBus, and PCMCIA)
USB2, CF, and SD Devices
PCI, Mini-PCI, and Mini-PCIe Cards
Workgroup Bridges Client utility software and drivers
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3. Identify the purpose, features, and functions of and
the appropriate installation or configuration steps for the
following types of antennas.
Omni-directional/ dipole
Semi-directional Highly-directional