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CWTS: Certified Wireless Technology Specialist


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CWTS: Certified Wireless Technology Specialist


The Enterprise Wi-Fi Fundamentals v2.0 course provides the networking professional a foundation of knowledge for entering into or advancing within the wireless networking industry. From basic RF theory and regulatory requirements to implementation of WLAN devices, this course focuses on bringing Wi-Fi sales and support professionals up-to-speed on the latest in 802.11 technologies in a practical way.


Wi-Fi sales professionals, project managers, networkers new to Wi-Fi


This program will be conducted with interactive lectures, PowerPoint presentation, discussions and practical exercise


Upon completion of this program, participants should be able to :

  • provides the networking professional a foundation of knowledge for entering into or advancing within the wireless networking industry
  • focuses on bringing Wi-Fi sales and support professionals up-to-speed on the latest in 802.11 technologies in a practical way

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Introduction To Networking
  • Understanding Network Models
  • Understanding 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
Wi-Fi Organizations And Standards
  • Regulatory Bodies
  • IEEE
  • Wi-Fi Alliance
  • WLAN Connectivity
  • WLAN Security
  • WLAN QoS & Power-Save
  • IEEE 802.11 Standards,
  • Amendments, and Drafts
  • 802.11-2007
  • 802.11a/b/g
  • 802.11e/h/i
  • 802.11n Draft

Wi-Fi Hardware & 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
Wi-Fi Security & Compliance
  • 802.11 Legacy Security Methods
  • Encryption – TKIP/CCMP
  • Authentication Passphrases & 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
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
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
  • Protection mechanisms

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
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
  • MIMO
Spread Spectrum Concepts
  • OFDM & 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
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

Classroom Demonstrations
  • AP/Client Connectivity with WPA2-Personal Security and PoE Power
  • Spectrum Analysis of RF Environment
  • Protocol Analysis of RF Environment
  • Configuration Parameter Modification in an Enterprise-Class Autonomous AP
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