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Short Description:
The Wireless LAN Administration training course offers detailed instruction on the foundation concepts and technologies of wireless data networking.
Full Description:
Wireless networking is today's fastest growing LAN solution--providing flexibility, cost savings, and extended communications, as wireless LANs explode in popularity learning all the good, bad and ugly of wireless technology can be daunting.
The Wireless LAN Administration training course offers detailed instruction on the foundation concepts and technologies of wireless data networking. This hands-on, defense in-depth class has 10+ labs to give you the chance to use wireless products from vendors like AirMagnet, CISCO, PROXIM, Bluesocket, Vernier networks, AirFortress, YDI and more.
Our expert instructors take you through everything you need to know to do a proper wireless site survey, design and implement a WLAN. By earning the Certified Wireless Network Administrator (CWNA) credential, the first step toward the CWNE certification, network engineers and administrators demonstrate that they have the skills necessary to administer, install, configure, and troubleshoot wireless network systems.
Class Fee: $2,495*
Time: 8:30am - 4pm
Location: Click here to view the course schedule
Learning Level: Advanced
CPE Credits: 16+40
Prerequisites: You should basic understanding of TCP/IP
All attendees receive hands-on experience configuring, testing, and implementing a broad variety of layer2 and layer3 wireless security solutions using hardware and software from the following vendors:
BlueSocket
Colubris Networks
Cisco Systems
Air Fortress Tech.
Intermec
Proxim
Symbol Technologies
Funk Software
Microsoft
TamoSoft
Zoom Telephonics
SafeNet
System Tools
Van Dyke Software
WildPackets
IPSwitch
Young Design
Class Outline
Radio Frequency (RF) Fundamentals
RF behavior
Principles of antennas
Following power output regulations
RF math calculations
Spread Spectrum Technologies
Uses of Spread Spectrum
Frequency Hopping
Direct Sequencing
Comparing DSSS to FHSS
Co-location and throughput analysis
Hardware Installation, Configuration, and Management
Access points
Wireless bridges
Wireless workgroup bridges
Client devices
Residential gateways
Enterprise gateways
Antennas and Accessories
Omni-directional
Semi-directional
Directional
Determining coverage areas
Proper mounting and safety
Performing outdoor/indoor installations
Power over Ethernet
Cables and connector usage requirements
Organizations and Standards
FCC rules
Frequency ranges and channels
IEEE 802.11 family of standards
Wireless LAN organizations
HomeRF
Bluetooth
Infrared
802.11 Network Architecture
Joining a wireless LAN
Authentication and association
Basic Service Set
Extended Service Set
Independent Basic Service Set
Roaming in a wireless LAN
Beacons and Probe Frames
Power management features
Physical and MAC Layers
Differences between wireless and Ethernet frames
Collision handling and the use of RTS/CTS
Throughput and dynamic rate selection
Analysis of DCF/PCF
Interframe spacing
Effects of packet fragmentation
Wireless LAN Security
Analysis of 802.11 security including WEP
Available security solutions
Types of network attacks
Protecting the network from attacks
Corporate security policies
Security recommendations
Site Surveying
Defining business requirements
Facility analysis
Interviewing network management and users
Identifying bandwidth requirements
Determining contours of RF coverage
Documenting installation problems
Locating interference
Reporting methodology and procedures
Troubleshooting Wireless LANs
Multipath
Hidden node
Near/Far
Identifying and resolving interference problems
Maximizing system throughput
Maximizing Co-location throughput
Channel reuse for roaming
Range considerations
Hands-on Lab Exercises
Lab 1 - Infrastructure Mode Connectivity
This exercise demonstrates wireless client devices connecting to an access point using matching SSIDs and WEP settings. Students view the association table in the access point in order to understand the process a client goes through in order to become connected to the network. RF output power is explained and client utilities are viewed to show RF signal quality and strength.
Lab 2: Infrastructure Mode Throughput Analysis
This exercise demonstrates the expected throughput achieved from a wireless station to a wired station and a wireless station to a wireless station using FTP and throughput measuring software. The point of this lab is for the student to understand the half-duplex nature of wireless LANs and how the data rate relates to actual throughput in a real-world scenario. Access point frame relay is proven and explained.
Lab 3: Ad Hoc Connectivity & Throughput Analysis
In this exercise, wireless clients will connect to each other without use of an access point. Beaconing and channel configuration in an Ad Hoc environment will be explained and throughput will be analyzed and compared against an infrastructure environment.
Lab 4: Cell Sizing and Automatic Rate Selection (ARS) in an Infrastructure Environment
In this exercise, RF cell sizing and ARS will be demonstrated. Cell sizing is important for seamless connectivity while roaming and for security purposes. ARS is the wireless LAN client's ability to speed up or slow down the wireless connection in order to maintain optimum connectivity with the access point. Environmental factors will be analyzed.
Lab 5: Rudimentary Security Features
In this exercise, the security features specified in the IEEE 802.11 standard are demonstrated in a mobile environment. Wireless clients attempt roaming between access points while using like and different Service Set Identifiers (SSIDs), MAC filters, and Wired Equivalent Privacy (WEP). Configuration, use, and security issues are discussed and explained.
Lab 6: Co-Channel and Adjacent Channel Interference
In this exercise, the effects of co-channel and adjacent channel interference are demonstrated and explained. Throughput tests using FTP and throughput measurement software are performed using fully-overlapping, partially-overlapping, and non-overlapping channels. Effects are analyzed and compared.
Lab 7: Dynamic WEP Keys and Mutual Authentication using 802.1x/EAP and RADIUS
In this lab the need for wireless security stronger than available in static WEP is explained, and port-based access control with EAP authentication is demonstrated and explained in this exercise. Cisco's proprietary Lightweight EAP is used with RADIUS for scalability of authentication. The 802.1x/LEAP association process is analyzed, and rotating unicast and broadcast keys are explained.
Lab 8: Wireless VPNs using PPTP tunnels and RADIUS
In this exercise, the access point is the VPN tunnel server and the PPTP VPN client software built into Microsoft Windows is used to establish an encrypted VPN tunnel from the wireless client to the access point. The access point then sends the authentication request to a RADIUS server and a tunnel is established. Use of the PPTP protocol with encryption in a wireless environment is discussed and explained.
Duration:
4 Days
Price:
$2,495
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Security University's Certified Wireless Network Administration Course Web Page
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