Duration: 2 Days
In this Wi-Fi fundamentals course, you will gain the knowledge needed to enter into or advance within the wireless networking industry. From basic RF theory and regulatory requirements to implementation of WLAN devices, you will get up-to-speed on the latest in 802.11 technologies in a practical way.
What You Will Learn
- Networking basics
- Wi-Fi organizations
and standards
- Basic wireless 802.11
technologies functionality and terms
- Lightweight and
autonomous access points
- WLAN routers, bridges,
and switches
- Antenna types and uses
- Wi-Fi operational
concepts and applications
- Wi-Fi security,
compliance, and site surveying
- Wi-Fi support and
troubleshooting
- RF fundamentals and
antenna concepts
- Spread spectrum concepts
Audience
Wi-Fi sales professionals, project managers, and networkers new to Wi-Fi
Prerequistes
Course Outline
1. Introduction to Networking
- Network Models
- Protocols
- SDU
- PDU
- OSI: The De Facto
Reference Model
- The Seven Layer Model
- Equipment Per Layer
- Mapping Other
Protocols into the OSI Model
- TCP/IP: Four Layer
Model
2. Wi-Fi Organizations and
Standards
- Regulatory Bodies
- IEEE
- Wi-Fi Alliance
- WLAN Connectivity
- WLAN Security
- WLAN QoS and Power
Save
- IEEE 802.11 Standards,
Amendments, and Drafts
- 802.11-2007
- 802.11a/b/g
- 802.11e/h/i
- 802.11n Draft
3. Wi-Fi Hardware and Software
- Access Points
- Lightweight
- Autonomous
- WLAN Routers
- WLAN Bridges
- WLAN Repeaters
- WLAN
Controllers/Switches
- Direct-Connect APs
- Distributed-Connect
APs
- PoE Infrastructure
- Midspan
- Endpoint
- Client Hardware and
Software
- Antenna Types and Uses
4. Wi-Fi Security and Compliance
- 802.11 Legacy Security
Methods
- Encryption: TKIP/CCMP
- Authentication
Passphrases and 802.1X/EAP
- WPA/WPA2 Personal
- WPA/WPA2 Enterprise
- WPS Pushbutton/PIN
- Role-Based Access
Control (RBAC)
- VPN Security
- Wireless Intrusion
- Protection Systems
(WIPS)
- PCI Compliance
- HIPAA Compliance
- Enforcing Compliance
5. Wi-Fi Site Surveying
- Information Gathering
and Reporting
- Multiple Channel
Architecture (MCA) Cell Planning Basics
- Single Channel
Architecture (SCA) Cell Planning Basics
- Predictive Site Survey
- Manual Site Survey
- Passive Survey
- Active Survey
- Mesh Access Layers
- Use of Analyzers
- Protocol
- Survey
- Spectrum
- Identifying and
Locating RF Interference Sources
- Wi-Fi vs. Non Wi-Fi
- Hardware Placement
Limitations
- Best Practices for
Antenna Use
6. Wi-Fi Operational Concepts
- 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 and ESSID
- Protection Mechanisms
7. Applications, Support, and
Troubleshooting
-
Installation/Configuration of Common Network Types
- Small Office/Home
Office (SOHO)
- Extension of Existing
Networks into Remote Locations
- Building-to-Building
Connectivity
- Public Wireless
Hotspots
- Mobile Office,
Classroom, Industrial, and Healthcare
- Municipal and
Law-Enforcement Connectivity
- Corporate Data Access
and End-User Mobility
- Last-Mile Data
Delivery (WISP)
- Transportation
Networks
- Recognize and
Troubleshoot Wireless Network Problems
- Decreased Throughput
- Intermittent or No
Connectivity
- Weak Signal Strength
- Device Upgrades
- Wi-Fi Network
Optimization Procedures
- Infrastructure
Hardware Selection and Placement
- Identifying, Locating,
and Removing Sources of Interference
- Client Load-Balancing
- Analyzing
Infrastructure Capacity and Utilization
- Multipath and Hidden
Nodes
8. Radio Frequency (RF)
Fundamentals
- Units of RF
Measurements
- Factors Affecting
Network Range and Speed
- Environment
- Line-of-Sight
- Interference
- Defining Differences
Between Physical Layers
- OFDM
- HR/DSSS
- MIMO
9. Spread Spectrum Concepts
- OFDM and HR/DSSS
Channels
- Co-Location of HR/DSSS
and OFDM Systems
- Adjacent-Channel and
Co-Channel Interference
- WLAN/WPAN Co-Existence
- CSMA/CA Operation Half
Duplex
10. RF Antenna Concepts
- Passive Gain
- Beam Widths
- Simple Diversity
- Polarization
- Antenna Mounting
- Pole/Mast Mount
- Ceiling Mount
- Wall Mount
- WLAN Accessories
- RF Cables
- RF Connectors
- Lightning Arrestors
and Grounding Rods
Course Labs
