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Hardware
Installation, Configuration, and Management
- Access points
- Wireless bridges
- Wireless workgroup bridges
- Client devices and accessories
- Residential gateways
- Enterprise gateways
- Wireless LAN switches
- PoE Switches and patch panels
- VoWiFi systems
- Wireless Routers
Troubleshooting
Wireless LANs
- Multipath
- Hidden node
- Near/Far
- Identifying and resolving interference problems
- Maximizing system throughput
- Maximizing co-location throughput
- Range considerations
Antennas and Accessories
- Omni-directional
- Semi-directional
- Highly-directional
- Determining coverage areas
- Proper mounting and safety
- Performing outdoor/indoor installations
- Power over Ethernet (802.3af and proprietary implementations)
- Cables and connector usage requirements
- Amplifiers, attenuators, lightning arrestors, and
splitters
- Fresnel Zones and Free Space Path Loss
- Interference, Fading, and Multipath
Wireless Network
Management
- Authentication, Authorization, and Accounting (AAA)
functions
- Bandwidth control
- Wireless Network Management features and products
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 mode and the CSMA/CA protocol
- How frame fragmentation works and its affects on
throughput
Wireless LAN Security
- Analysis of 802.11 security including WEP, WPA,
802.1x/EAP types, and 802.11i
- Available security solutions at Layer 2, 3, &
7
- Types of network attacks, and protecting the network
from attacks
- Corporate security policies including baseline practices,
and common security solutions
- Security recommendations
Organisations and
Standards
- FCC rules
- Frequency ranges and channels
- IEEE 802.11 family of standards
- Wireless LAN organizations
- Proper application of WLANs in distribution and
access roles
- Interoperability standards
802.11 Network
Architecture
- Joining a wireless LAN
- Authentication and association
- Basic Service Sets
- Extended Service Sets
- Independent Basic Service Sets
- Distribution systems
- Roaming in a wireless LAN
- Scanning modes using Beacons and Probe Frames
- Power management features
Site Surveying
- Understanding the need for a site survey
- Defining business requirements and justification
- Facility analysis
- Interviewing network management and users
- Identifying bandwidth requirements
- Determining contours of RF coverage
- Documenting installation problems
- Locating interference
- Reporting methodology and procedures
- Understanding specifics of each vertical market
- Understanding the customer's network topology
- Creating appropriate documentation during and after
the site survey
- Understanding FCC/FAA rules regarding towers
- Understanding safety hazards
- Using appropriate hardware and software to perform
the survey
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