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Enterprise Wi-Fi Fundamentals (CWTS)

Learn basic 802.11 wireless networking terminology and functionality.

GK# 3602

Course Overview

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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.

Get exam ready in this approved CWTS certification course that includes:

  • CWTS study guide
  • Practice exams
  • Exam voucher

What You'll Learn

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  • Networking basics
  • Wi-Fi organizations and standards
  • Basic wireless 802.11 technologies functionality and terms
  • Lightweight and autonomous access points
  • 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

Outline

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Viewing outline for:

Virtual Classroom Live Outline

1. Introduction to Networking

  • Network Types
    • Local Area Networks
    • Wide Area Networks
    • Other Area Networks
  • Network Topologies
    • Point-to-Point
    • Star
    • Mesh
  • OSI Model
    • Physical Layer (L1)
    • Data Link Layer (L2)
    • Network Layer (L3)
    • Transport Layer (L4)
    • L5 and L6
    • Applications (L7)
  • Peer Communication
  • Encapsulation
  • Device Addressing
    • Physical Addressing
    • Locating a MAC Address
    • Logical Addressing (IPv4)
    • Locating an IPv4 Address

2. Introduction to Wi-Fi

  • Where Wi-Fi is used
    • Small Office/Home Office
    • Extending the Wired LAN
    • Replacing the Wired LAN
    • Public Hotspots
    • Mobile and Temp Facilities
    • Outdoor Applications
    • Transportation Networks
  • Organizations Governing Wi-FI
    • IEEE, Wi-Fi Alliance, and CWNP
    • Regulatory Bodies
  • IEEE Standards
    • Standards, Amendments, and Drafts
    • 802.11 Standard
    • 802.11 PHY Amendments
    • 802.11 Amendments

3. Wi-Fi Infrastructure and Client Devices

  • Access Points (APIs)
    • Autonomous Aps
    • Controller-based Aps
    • Mesh Aps
  • WLAN Controllers
    • Single Channel Architecture (SCA)
  • Wireless Bridges
  • Wireless Repeaters
  • Power over Ethernet (PoE)
    • PD versus PSE
  • Client Devices
    • Client Software
  • Workgroup Bridge (WGB)

4. Wi-Fi Terminology and Operation

  • Wi-Fi Modes of Operation
    • BSS, IBSS
    • BSS, BSA, and BSSID
    • ESS and SSID
  • Client Association Process
    • Discovery / Scanning
    • Open Authentication
    • Association
  • Reassociation / Roaming
    • Disassociation and Deauthentication
  • Power Save Fundamentals
    • Legacy Power Save
    • WMM-PS
  • Data Rates
    • Data Rate versus Throughput
    • Dynamic Rate Switching

5. Radio Frequency Fundamentals

  • RF Wave Fundamentals
    • Wavelength, Amplitude, Phase
  • Frequency Fundamentals
    • RF Characteristics
  • Scattering, Absorption, Diffraction, Reflection
    • RF Interference
  • Multipath
  • Power Measurements
    • Absolute Power Measurement (mW, dBm)
    • Relative Power Measurement (dB, dBi)
  • Rule of 10s and 3s
    • Device Receive Sensitivity
  • Wi-Fi Channels
    • 2.4 GHz Channels used in Wi-Fi
    • 5 GHz Channels used in Wi-Fi

6. Antennas and Accessories

  • Antenna Function
    • Antenna Gain
  • Types of Antennas
    • Omni-directional Antenna
    • Semi-directional Antenna
    • Highly-directional Antenna
  • Line of Sight
    • Visual versus RF LOS
  • Antenna Polarilzation
  • Antenna Diversity
  • Antenna Accessories
    • RF Cables and Connectors
    • RF Amplifiers
    • Lightning Arrestors

7. Wi-Fi Under the Hood

  • Medium Access
    • Collision Avoidance
    • CSMA/CA Basics
  • Modulation
    • HR/DSSS, OFDM, HT-OFDM
  • Mixed Mode Environments
    • Protection Mechanisms
  • Sources of Interference
    • Modulated Interference
    • Unmodulated Interference

8. RF Site Surveys

  • Purposes of an RF Site Survey
  • Site Survey Procedures
    • Gather Stakeholder Requirements
    • RF Site Survey Documentation
    • Perform a Spectrum Analysis
    • Perform Protocol Analysis
    • Perform Coverage Analysis
  • Site Survey Type-Manual
  • Site Survey Type-Predictive

9. Wi-Fi Security

  • Legacy Security Methods
    • WEP, SSID Hiding
  • Wi-Fi Protected Setup (WPS)
  • Security Terminology Chart
  • Authentication Types
    • WPA2-Personal
    • WPA2-Enterprise
  • Encryption
    • CCMP/AES
    • TKIP/RC4
  • Fast / Secure Roaming
  • Virtual Private Networks (VPN)
  • Role Based Access Control
  • Compliance Concerns
    • HIPPA, GLBA, SOX
    • Wireless Intrusion Prevention Systems
  • Security Best Practices
    • SOHO
    • SMB
    • SME / Enterprise

10. Wi-Fi Troubleshooting

  • Troubleshooting Tools
    • Spectrum Analyzer
    • Protocol Analyzer
  • Site Survey Tool
  • Common Wi-Fi Problems
    • Poor Coverage
  • Causes and Solutions for Low Signal Strength
    • Intermittent or No Connectivity
  • Typical Causes and Solutions
    • Slow Performance
  • Typical Causes and Solutions

Who Should Attend

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

Follow-On Courses

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Course Delivery

This course is available in the following formats:

Virtual Classroom Live

Experience expert-led online training from the convenience of your home, office or anywhere with an internet connection.

Duration: 2 day

Request this course in a different delivery format.
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