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Certified Wireless Network Administrator Online Training

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This entry-level Certified Wireless Network Administrator training covers the objectives in the CWNA-108 exam, which is the one required exam to earn the Certified Wireless Network Administrator certification.

For any network administrator whose career involves a focus on wireless technologies -- or may some day, Certified Wireless Network Administrator is the perfect certification. The CWNA cert is provided by Certified Wireless Network Professionals, and after taking the CWNA-108 exam, you'll know your way around every technology, device and problem a wireless network could throw at you.


1 Define the Characteristics of Radio Frequency (RF)
  • 1 Intro
  • 2 Physics of Light
  • 3 Anatomy of RF Waves
  • 4 The Electromagnetic Spectrum
  • 5 Review and Quiz

  • 2 Explain Wireless Measurements (1c30c)
  • 6 Intro
  • 7 Wireless Transmit Power
  • 8 Introducing the Decibel
  • 9 dBm Measurements and Math
  • 10 Wi-Fi dBm Calculations
  • 11 Review and Quiz

  • 3 Explain Radio Frequency (RF) Behavior
  • 12 Intro
  • 13 RF Propagation
  • 14 Free Space Path Loss and RSSI
  • 15 RF Interference
  • 16 Noise Floor and SNR
  • 17 Review and Quiz

  • 4 Explain Radio Frequency (RF) Properties
  • 18 Intro
  • 19 Channels and Bands
  • 20 Antenna Gain
  • 21 IR, EIRP, and Power Limits
  • 22 Loss and Link Budgets
  • 23 Review and Quiz

  • 5 Describe RF Electrical Properties
  • 24 Intro
  • 25 Electricity Concepts
  • 26 AC Voltage and Wi-Fi
  • 27 Voltage Standing Waves (VSW)
  • 28 Voltage Standing Wave Ratio (VSWR) and Return Loss
  • 29 Review and Quiz

  • 6 Describe RF Attenuation
  • 30 Intro
  • 31 Reflection, Refraction, and Scattering
  • 32 Diffraction and Absorption
  • 33 Common Attenuation Values
  • 34 Receiver Sensitivity and Fade Margin
  • 35 Review and Quiz

  • 7 Identify RF Signal Characteristics
  • 36 Intro
  • 37 Multipathing
  • 38 Signal Beamwidth
  • 39 Polarization and Orientation
  • 40 Fresnel Zones
  • 41 Review and Quiz

  • 8 Explain Antenna Functionality
  • 42 Intro
  • 43 Antenna Effects
  • 44 Antenna Deployment
  • 45 Antenna Types
  • 46 Antenna Patterns and Charts
  • 47 Antenna Systems and Accessories
  • 48 Review and Quiz

  • 9 Describe Diversity and Multiplexing Techniques
  • 49 Intro
  • 50 Spatial Diversity
  • 51 Multiple-Input Multiple-Output (MIMO)
  • 52 Multiple-Input Technologies
  • 53 Multiple-Output Technologies
  • 54 Antenna Use and MU-MIMO
  • 55 Review and Quiz

  • 10 Explain WLAN Industry Organizations
  • 56 Intro
  • 57 Standards and Regulations
  • 58 IEEE
  • 59 Wi-Fi Alliance
  • 60 IETF
  • 61 Regulatory Domains and Agencies
  • 62 Review and Quiz

  • 11 Describe Wi-Fi Standards
  • 63 Intro
  • 64 802.11 and 802.11a-b-g
  • 65 802.11n (Wi-Fi 4)
  • 66 802.11ac (Wi-Fi 5)
  • 67 802.11ax (Wi-Fi 6 and 6E)
  • 68 Review and Quiz

  • 12 Explain FHSS, DSSS, and OFDM Technologies
  • 69 Intro
  • 70 FHSS and DSSS
  • 71 DSSS Data Encoding
  • 72 Orthogonal Frequency Division Multiplexing (OFDM)
  • 73 OFDMA and Resource Units
  • 74 Review and Quiz

  • 13 Describe Wireless Modulation and Data Encoding
  • 75 Intro
  • 76 Modulation and Encoding
  • 77 Phase, Amplitude, and Frequency Keying
  • 78 Data Encoding with Symbols
  • 79 Interpreting Modulation
  • 80 Review and Quiz

  • 14 Describe Wireless Modulation Techniques
  • 81 Intro
  • 82 BPSK and QPSK
  • 83 Constellation Diagrams and 16-QAM
  • 84 64-, 256-, and 1024-QAM
  • 85 Convolutional Coding
  • 86 Review and Quiz

  • 15 Explain Wireless Bands
  • 87 Intro
  • 88 Licensed, Unlicensed, and ISM Bands
  • 89 The 2.4GHz Band
  • 90 The 5GHz Band
  • 91 The 6GHz Band
  • 92 The 1GHz and 60GHz Bands
  • 93 Review and Quiz

  • 16 Explain Fourier Transforms in Wireless Communications
  • 94 Intro
  • 95 Fourier Transforms
  • 96 Inverse Fourier Transforms
  • 97 Fast Fourier Transforms
  • 98 OFDM Transmissions
  • 99 Symbol Duration and Guard Interval
  • 100 Review and Quiz

  • 17 Apply WLAN Functional Concepts
  • 101 Intro
  • 102 Channel Bonding and Primary Channels
  • 103 Non-Overlapping Channels
  • 104 Data Rate and Throughput
  • 105 Bandwidth
  • 106 Review and Quiz

  • 18 Identify Wi-Fi Channels and Use
  • 107 Intro
  • 108 2.4GHz Channels
  • 109 5GHz Channels and UNII Bands
  • 110 5GHz Channel Bonding
  • 111 5GHz DFS and TPC
  • 112 6GHz Channels
  • 113 Review and Quiz

  • 19 Explain Basic Use Cases for Wireless Networks
  • 114 Intro
  • 115 The Local Area Network (LAN)
  • 116 The Wireless LAN (WLAN)
  • 117 Wireless Ad-Hoc Networks
  • 118 Wireless Bridging
  • 119 Wireless Mesh
  • 120 Review and Quiz

  • 20 Describe Wireless Service Set Components
  • 121 Intro
  • 122 Access Points (APs)
  • 123 Stations (STAs)
  • 124 Wireless LAN Controllers (WLCs)
  • 125 Distribution Systems and Media
  • 126 Service Sets and Identifiers
  • 127 Review and Quiz

  • 21 Explain the OSI Model and Network Communications
  • 128 Intro
  • 129 The OSI Model
  • 130 Headers and Encapsulation
  • 131 Ethernet Header Structure and FCS
  • 132 L2 and L3 Transport
  • 133 Review and Quiz

  • 22 Explain 802.11 MAC Mechanisms
  • 134 Intro
  • 135 PHY and MAC
  • 136 MAC Sublayers, MSDU, and MPDU
  • 137 802.11 Header and Fields
  • 138 802.11 Header Addresses
  • 139 Review and Quiz

  • 23 Explain 802.11 PHY and MAC Layers
  • 140 Intro
  • 141 802.11 MPDU and Encapsulation
  • 142 MAC MTU
  • 143 PHY Mechanisms
  • 144 802.3 Wired Preamble
  • 145 802.11 PHY Preamble and Header
  • 146 Review and Quiz

  • 24 Explain 802.11 MAC Addressing and Aggregation
  • 147 Intro
  • 148 MAC Addressing
  • 149 A-MSDU Aggregation
  • 150 A-MPDU Aggregation
  • 151 Aggregation Enhancements
  • 152 Review and Quiz

  • 25 Explain 802.11 Frame Types and the WLAN Connection Process
  • 153 Intro
  • 154 Management Frames
  • 155 Control and Data Frames
  • 156 Scanning, Probing, and Hidden SSIDs
  • 157 Authentication and Association
  • 158 Data Protection
  • 159 Review and Quiz

  • 26 Explain the Distributed Coordination Function
  • 160 Intro
  • 161 CSMA - Collision Avoidance
  • 162 Distributed Coordination Function
  • 163 Physical Carrier Sense
  • 164 Virtual Carrier Sense
  • 165 Review and Quiz

  • 27 Explain 802.11 Channel Access Methods
  • 166 Intro
  • 167 Interframe Spaces
  • 168 Pseudo-Random Backoff Timer
  • 169 Contention Window Scaling
  • 170 RTS-CTS
  • 171 Review and Quiz

  • 28 Explain Wi-Fi Quality of Service
  • 172 Intro
  • 173 QoS Mechanisms
  • 174 HCF and EDCA
  • 175 Arbitration IFS
  • 176 TXOP and TSpec
  • 177 Review and Quiz

  • 29 Explain 802.11 MAC Operations
  • 178 Intro
  • 179 Roaming
  • 180 Fast Secure Roaming
  • 181 Airtime Fairness
  • 182 Protected Mode
  • 183 Review and Quiz

  • 30 Explain Wi-Fi Power Savings Modes
  • 184 Intro
  • 185 Legacy Power Management
  • 186 WMM-Power Save
  • 187 MIMO Power Management
  • 188 TXOP-PS and TWT
  • 189 Review and Quiz

  • 31 Describe Wireless Device Features
  • 190 Intro
  • 191 Basic AP Features
  • 192 Dual-Radios and Dual-Band Antennas
  • 193 Tri and Quad Radios
  • 194 Antennas and DART Connectors
  • 195 Self-Identifying Antennas (SIAs)
  • 196 Review and Quiz

  • 32 Power over Ethernet (PoE)
  • 197 Intro to Power over Ethernet (PoE)
  • 198 PoE Overview
  • 199 PoE Standards
  • 200 PoE Example on Cisco WLC
  • 201 PoE Example on Cisco Catalyst Switch
  • 202 PoE Example using Fortinet

  • 33 802.11 Wireless LAN Architectures
  • 203 Intro to Wireless LAN Architectures
  • 204 WLAN Architectures Overview
  • 205 Control, Management, & Data Planes
  • 206 Standalone APs
  • 207 Wireless LAN Controllers
  • 208 Fortinet Controller Demonstration

  • 34 802.11 WLAN Design Considerations
  • 209 Intro to 802.11 WLAN Design Considerations
  • 210 WLAN Design Considerations Overview
  • 211 Coverage Area
  • 212 Channel Design
  • 213 Roaming
  • 214 Additional Design Considerations

  • 35 Network Services used with WLANs
  • 215 Intro to Network Services Used with WLANs
  • 216 Network Services Overview
  • 217 DHCP Services
  • 218 DNS Services
  • 219 Network Time Protocol (NTP)
  • 220 Authentication Services

  • 36 802.11 Wireless Network Security
  • 221 Intro to Wireless Network Security
  • 222 Wireless Network Security Overview
  • 223 Weak Security Options to Avoid
  • 224 802.11i and Better Wireless Security
  • 225 WPA3
  • 226 Enhanced Open with OWE
  • 227 Security Options and Tools for Wireless

  • 37 Verify WLAN Design Requirements
  • 228 Intro
  • 229 Information Gathering
  • 230 Coverage and Capacity
  • 231 Client Devices and Roaming
  • 232 Throughput and Connectivity
  • 233 Review and Quiz

  • 38 Locate and Identify RF Interference
  • 234 Intro
  • 235 CCI and CCC
  • 236 Wireless Hazards
  • 237 Channel and Station Management
  • 238 BSS Coloring
  • 239 Review and Quiz

  • 39 Validate WLAN Performance
  • 240 Intro
  • 241 Meeting Signal Thresholds
  • 242 Real-Time Applications
  • 243 Capacity and Cell Sizes
  • 244 Band and Channel Planning
  • 245 Review and Quiz

  • 40 Describe Validation Tools and Site Surveys
  • 246 Intro
  • 247 Validating the Wireless Network
  • 248 Offsite Surveys
  • 249 Onsite Surveys
  • 250 Passive and Active Surveys
  • 251 Review and Quiz

  • 41 Describe the WLAN Troubleshooting Process
  • 252 Intro
  • 253 Troubleshooting Methodologies
  • 254 Top-Down and Bottom-Up
  • 255 Common Wireless Problems
  • 256 Wireless Configurations
  • 257 Review and Quiz

  • 42 Describe WLAN Troubleshooting Tools
  • 258 Intro
  • 259 Initial Troubleshooting
  • 260 Spectrum Analyzers
  • 261 Protocol Analyzers
  • 262 Throughput Testers
  • 263 Review and Quiz

  • 43 Review CWNA Domains 1-2
  • 264 Intro
  • 265 Review Session 1
  • 266 Review Session 2
  • 267 Review Session 3
  • 268 Review Session 4

  • 44 Review CWNA Domains 3-7
  • 269 Intro
  • 270 Review Session 1
  • 271 Review Session 2
  • 272 Review Session 3
  • 273 Review Session 4
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