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Introduction to Wireless LANs
Radio Frequency (RF) Fundamentals
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Client/access point association
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RF behavior
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Principles of antennas
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Following power output regulations
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RF math calculations
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Spread Spectrum Technologies
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Uses of Spread Spectrum
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Frequency Hopping
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Direct Sequencing
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Comparing DSSS to FHSS
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Co-location and throughput analysis
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Hardware Installation, Configuration, and Management
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Access points
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Wireless bridges
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Wireless workgroup bridges
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Client devices
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Residential gateways
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Enterprise gateways
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Antennas and Accessories
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Client devices
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Omni-directional
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Semi-directional
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Directional
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Determining coverage areas
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Proper mounting and safety
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Performing outdoor/indoor installations
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Power over Ethernet
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Cables and connector usage requirements
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Organizations and Standards
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FCC rules
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Frequency ranges and channels
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IEEE 802.11 family of standards
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Wireless LAN organizations
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HomeRF
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Bluetooth
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Infrared
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802.11 Network Architecture
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Joining a wireless LAN
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Authentication and association
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Basic Service Set
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Extended Service Set
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Independent Basic Service Set
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Roaming in a wireless LAN
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Beacons and Probe Frames
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Power management features
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Physical and MAC Layers
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Differences between wireless and Ethernet frames
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Collision handling and the use of RTS/CTS
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Throughput and dynamic rate selection
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Analysis of DCF/PCF
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Interframe spacing
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Effects of packet fragmentation
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Wireless LAN Security
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Analysis of 802.11 security including WEP
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Available security solutions
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Types of network attacks
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Protecting the network from attacks
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Corporate security policies
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Security recommendations
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Site Surveying
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Defining business requirements
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Facility analysis
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Interviewing network management and users
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Identifying bandwidth requirements
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Determining contours of RF coverage
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Documenting installation problems
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Locating interference
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Reporting methodology and procedures
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Troubleshooting Wireless LANs
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Multipath
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Hidden node
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Near/Far
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Identifying and resolving interference problems
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Maximizing system throughput
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Maximizing Co-location throughput
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Channel reuse for roaming
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Range considerations
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