Autoplay
Autocomplete
Previous Lesson
Complete and Continue
Certified Wireless Network Administrator
Course Introduction
Course Introduction (1:36)
Instructor Introduction (0:43)
Overview of Wireless Communications
Overview of Wireless Communications (0:34)
Overview of Wireless History (1:09)
Standards Part1 (1:14)
Standards Part2 (0:51)
Standards Part3 (0:39)
Standards Part4 (2:21)
The FCC Part1 (1:54)
The FCC Part2 (1:30)
ITU-R (1:56)
IETF Part1 (1:24)
IETF Part2 (1:25)
ISOC Hierarchy (1:42)
Wi-Fi Alliance (0:48)
IEEE (1:05)
The Hierarchical Model (3:25)
Carrier Signals (1:21)
Communication Fundamentals Part1 (2:38)
Communication Fundamentals Part2 (1:22)
Communication Fundamentals Part3 (3:03)
Communication Fundamentals Part4 (0:22)
Communication Fundamentals Part5 (0:33)
Communication Fundamentals Part6 (0:52)
Communication Fundamentals Part7 (1:03)
Communication Fundamentals Part8 (1:19)
Communication Fundamentals Part9 (1:09)
Communication Fundamentals Part10 (2:03)
Section Review (0:54)
Review Questions
Fundamentals of RF
Fundamentals of RF (0:58)
What is an RF Signal? Part1 (1:06)
What is an RF Signal? Part2 (2:02)
What is an RF Signal? Part3 (2:26)
Characteristics of RF (0:33)
Wavelength Part1 (1:54)
Wavelength Part2 (3:46)
Wavelength Part3 (3:00)
Wavelength Part4 (1:37)
Frequency Part1 (1:01)
Frequency Part2 (0:29)
Amplitude (1:24)
Phase Part1 (2:08)
Phase Part2 (0:42)
RF Behaviors (1:00)
Absorption (1:53)
Reflection (3:15)
Scattering (2:03)
Refraction (1:24)
Diffraction (0:33)
Attenuation (1:04)
Multipath Part1 (1:42)
Multipath Part2 (1:17)
Gain (2:05)
Section Review (0:38)
Review Questions
Components and Measurements of RF
Components and Measurements of RF (0:44)
Components of RF Communications (2:05)
Transmitter (1:07)
Antenna Part1 (1:36)
Antenna Part2 (0:30)
Receiver (1:18)
Intentional Radiator (IR) (1:42)
Equivalent Isotropically Radiated Power (EIRP) (1:46)
Units of Power and Comparison (1:50)
Units of Power (1:43)
Watt Part1 (2:28)
Watt Part2 (0:30)
Decibel (dB) Part1 (1:15)
Decibel (dB) Part2 (0:35)
dB Mathematics (3:27)
dBi Part1 (2:13)
dBi Part2 (1:47)
dBd Part1 (0:51)
dBd Part2 (1:46)
dBm (0:54)
The 6 dB Rule (3:25)
RF Mathematics (1:01)
Rule of 10s and 3s Part1 (0:45)
Rule of 10s and 3s Part2 (1:50)
Math Examples (eNotes) Part1 (8:53)
Math Examples (eNotes) Part2 (6:19)
Math Examples (eNotes) Part3 (4:40)
Noise Floor (0:54)
SNR (1:13)
Received Signal Strength Indicator (RSSI) (2:20)
RSSI Example (2:05)
Section Review (0:20)
Review Questions
RF Signal and Antenna Concepts
RF Signal and Antenna Concepts Part1 (0:40)
RF Signal and Antenna Concepts Part2 (1:19)
Azimuth and Elevation Charts (Antenna Radiation Envelopes) Part1 (1:24)
Azimuth and Elevation Charts (Antenna Radiation Envelopes) Part2 (3:05)
Azimuth and Elevation Charts (Antenna Radiation Envelopes) Part3 (1:30)
Azimuth and Elevation Charts (Antenna Radiation Envelopes) Part4 (1:39)
Azimuth and Elevation Charts (Antenna Radiation Envelopes) Part5 (0:37)
Beamwidth Part1 (1:13)
Beamwidth Part2 (1:51)
Antenna Types (3:07)
Omnidirectional Antenna (1:47)
Semidirectional Antenna (1:29)
Patch Antenna (2:29)
Planar Antenna (1:04)
Yagi Antenna (1:09)
Highly Directional Antenna (2:36)
Antenna Arrays (1:30)
Beamforming (0:31)
Static Beamforming (1:04)
Dynamic Beamforming (0:59)
Transmit Beamforming (0:59)
Antenna Polarization (1:14)
Antenna Diversity (1:48)
Multiple -Input, Multiple -Output (1:57)
Section Review (0:40)
Review Questions
IEEE 802.11
IEEE 802.11 (0:46)
Original IEEE 802.11 Standard (3:21)
IEEE 802.11 -2007 Ratified Amendments (1:56)
802.11b (2:02)
802.11a Part1 (2:06)
802.11a Part2 (0:55)
802.11g (2:08)
802.11 Review (1:07)
802.11i Part1 (1:44)
802.11i Part2 (1:39)
802.11i Part3 (3:08)
802.11r -2008 (1:23)
802.11w (0:45)
802.11n (0:17)
802.11ac (0:47)
Section Review (0:30)
Review Questions
Spread Spectrum Technologies
Spread Spectrum Technologies (0:50)
Industrial, Scientific, and Medical Bands (2:16)
900 MHz (0:47)
2.4 GHz (1:49)
5.0 GHz (0:51)
Unlicensed National Information Infrastructure Bands (1:28)
U-NII Review (1:29)
60 GHz (1:12)
Narrowband and Spread Spectrum Part1 (2:18)
Narrowband and Spread Spectrum Part2 (1:41)
Multipath Interference (1:01)
Frequency Hopping Spread Spectrum (1:33)
Hopping Sequence (2:32)
Dwell Time (1:02)
Hop Time (0:39)
Direct Sequence Spread Spectrum Part1 (2:03)
Direct Sequence Spread Spectrum Part2 (4:13)
Direct Sequence Spread Spectrum Part3 (1:31)
Direct Sequence Spread Spectrum Part4 (1:12)
Orthogonal Frequency Division Multiplexing Part1 (1:31)
Orthogonal Frequency Division Multiplexing Part2 (1:27)
Orthogonal Frequency Division Multiplexing Part3 (1:49)
2.4 GHz (1:55)
2.4 GHz (Cont.) (0:44)
5.0 GHz (0:46)
5.0 GHz (Cont.) (0:27)
Adjacent, Nonadjacent, and Overlapping Channels (1:32)
Throughput vs. Bandwidth (0:54)
Section Review (0:30)
Review Questions
WLAN Topologies
WLAN Topologies (0:20)
Wireless Networking Topologies (0:37)
Wireless Wide Area Network (WWAN) (1:35)
Wireless Metropolitan Area Network (WMAN) (0:41)
Wireless Personal Area Network (WPAN) (1:09)
Wireless Local Area Network (WLAN) (0:44)
802.11 Topologies (0:59)
Access Points (3:50)
Distribution Service (0:32)
SSID (1:39)
BSS (0:54)
ESS Part1 (0:58)
ESS Part2 (1:01)
Roaming Part1 (1:04)
Roaming Part2 (0:42)
Roaming Part3 (0:57)
Mesh BSS Part1 (1:41)
Mesh BSS Part2 (1:14)
WLC Roaming (eNotes) (6:20)
Access Point Modes (4:17)
Client Station Modes Part1 (0:44)
Client Station Modes Part2 (0:55)
Section Review (0:12)
Review Questions
Wi -Fi Access
Wi -Fi Access (0:38)
CSMA/CA vs. CSMA/CD (1:19)
CSMA/CD (eNotes) (5:12)
CSMA/CA Part1 (1:11)
CSMA/CA Part2 (0:24)
CSMA/CA (eNotes) (2:20)
Distributed Coordination Function Part1 (0:33)
Distributed Coordination Function Part2 (2:20)
Interframe Space (IFS) (2:01)
SIFS/DIFS Part1 (1:45)
SIFS/DIFS Part2 (0:28)
Carrier Sense Part1 (1:31)
Carrier Sense Part2 (0:47)
Carrier Sense Part3 (1:16)
Point Coordination Function (PCF) Part1 (0:20)
Point Coordination Function (PCF) Part2 (1:06)
Block Acknowledgment (0:46)
Airtime Fairness (2:25)
Module 08 Review (0:32)
Review Questions
MAC Architecture
MAC Architecture (0:47)
Packets, Frames, and Bits (eNotes) (3:44)
Data -Link Layer (0:25)
MAC (1:26)
Ethernet Connectivity (1:39)
Frame Information (3:34)
Management Frames (2:47)
Control Frames (2:03)
Data Frame Subtypes (1:14)
Beacon Frames (1:12)
Beacon Frame Types (1:22)
Passive Scanning (0:30)
Active Scanning Part1 (1:18)
Active Scanning Part2 (1:04)
Authentication (0:18)
Open System Authentication (1:36)
WEP Authentication (2:09)
Association (0:52)
Module 09 Review (0:36)
Review Questions
WLAN Architecture
WLAN Architecture (0:16)
Management, Control, and Data Planes (2:52)
Management Plane (1:57)
WLC (eNotes) (4:33)
Control Plane (2:14)
Data Plane (1:35)
Autonomous WLAN Architecture (1:27)
Centralized Network Management Systems (0:30)
Cloud Networking (0:47)
Centralized WLAN Architecture (1:10)
WLAN Controller Part1 (0:59)
WLAN Controller Part2 (2:52)
WLC Options Part1 (0:54)
Split MAC (2:09)
WLC Options Part2 (0:25)
Controller Data Forwarding Models Part1 (1:24)
Controller Data Forwarding Models Part2 (0:59)
Controller Data Forwarding Models Part3 (1:26)
Module 10 Review (0:13)
Review Questions
WLAN Deployment
WLAN Deployment (0:44)
Deployment Considerations for Commonly Supported WLAN Applications and Devices (2:21)
Real-Time Location Services Part1 (1:11)
Real-Time Location Services Part2 (1:07)
Real-Time Location Services Part3 (1:06)
Mobile Devices (2:07)
Corporate Data Access and End-User Mobility (0:59)
Network Extension to Remote Areas (2:49)
Wireless ISP: Last-Mile Data Delivery (1:51)
SOHO (1:18)
ROBO (1:11)
Educational/Classroom Use (1:37)
Health Care (0:44)
Hotspots (1:31)
Fixed Mobile Convergence (1:33)
Module 11 Review (0:38)
Review Questions
Troubleshooting
Troubleshooting (0:53)
Layer 2 Retransmissions (4:53)
RF Interference Part1 (2:33)
RF Interference Part2 (1:21)
RF Interference Part3 (2:22)
RF Interference Part4 (2:10)
RF Interference Part5 (1:49)
RF Interference Part6 (2:00)
802.11 Coverage Considerations Part1 (1:53)
802.11 Coverage Considerations Part2 (0:56)
802.11 Coverage Considerations Part3 (1:22)
802.11 Coverage Considerations Part4 (1:56)
802.11 Coverage Considerations Part5 (2:37)
802.11 Coverage Considerations Part6 (1:47)
802.11 Coverage Considerations Part7 (3:40)
802.11 Coverage Considerations Part8 (1:07)
802.11 Coverage Considerations Part9 (0:51)
802.11 Coverage Considerations Part10 (0:41)
Capacity vs. Coverage Part1 (0:41)
Capacity vs. Coverage Part2 (1:07)
Capacity vs. Coverage Part3 (0:59)
Capacity vs. Coverage Part4 (0:29)
Capacity vs. Coverage Part5 (1:13)
Voice vs. Data (2:56)
Performance Part1 (3:51)
Performance Part2 (1:42)
Performance Part3 (1:23)
Weather Part1 (2:08)
Weather Part2 (1:06)
Module 12 Review (0:28)
Review Questions
Security
Security (0:33)
802.11 Security Basics Part1 (3:51)
802.11 Security Basics Part2 (3:13)
802.11 Security Basics Part3 (5:46)
802.11 Security Basics Part4 (6:09)
802.11 Security Basics Part5 (1:17)
802.11 Security Basics Part6 (1:23)
Robust Security Part1 (2:12)
Robust Security Part2 (1:09)
Robust Security Part3 (1:40)
Robust Security Part4 (1:15)
Robust Security Part5 (1:03)
Robust Security Part6 (1:27)
Robust Security Part7 (3:14)
Robust Security Part8 (0:43)
Robust Security Part9 (1:12)
Robust Security Part10 (2:28)
Robust Security Part11 (0:58)
Robust Security Part12 (0:42)
Robust Security Part13 (0:55)
Robust Security Part14 (0:50)
Robust Security Part15 (0:42)
Robust Security Part16 (1:06)
Robust Security Part17 (0:58)
Robust Security Part18 (0:29)
Module 13 Review (0:25)
Review Questions
Types of Wireless Attacks
Types of Wireless Attacks (0:24)
Wireless Attacks Part1 (4:07)
Wireless Attacks Part2 (5:35)
Wireless Attacks Part3 (4:39)
Wireless Attacks Part4 (4:28)
Wireless Attacks Part5 (2:14)
Wireless Attacks Part6 (1:30)
Wireless Attacks Part7 (1:56)
Wireless Attacks Part8 (1:19)
Wireless Attacks Part9 (2:30)
Wireless Attacks Part10 (1:15)
Intrusion Monitoring Part1 (1:49)
Intrusion Monitoring Part2 (1:20)
Wireless Security Policy Part1 (0:52)
Wireless Security Policy Part2 (0:53)
Highly Recommended Wireless Security Policies Part1 (2:04)
Highly Recommended Wireless Security Policies Part2 (0:42)
Module 14 Review (0:27)
Review Questions
Fundamentals of Site Surveys
Fundamentals of Site Surveys (0:21)
WLAN Site Survey Interview Part1 (1:02)
WLAN Site Survey Interview Part2 (1:02)
WLAN Site Survey Interview Part3 (1:23)
WLAN Site Survey Interview Part4 (0:49)
WLAN Site Survey Interview Part5 (1:11)
WLAN Site Survey Interview Part6 (0:44)
WLAN Site Survey Interview Part7 (0:52)
WLAN Site Survey Interview Part8 (0:53)
WLAN Site Survey Interview Part9 (1:11)
WLAN Site Survey Interview Part10 (0:46)
Documents and Reports Part1 (2:11)
Documents and Reports Part2 (0:53)
Documents and Reports Part3 (1:47)
Module 15 Review (0:18)
Review Questions
Site Survey Tools
Site Survey Tools (0:13)
Protocol and Spectrum Analysis (1:45)
Spectrum Analysis Part1 (1:09)
Spectrum Analysis Part2 (0:47)
Site Survey Part1 (1:09)
Site Survey Part3 (1:26)
Site Survey Part2 (0:48)
Site Survey Part4 (0:55)
AP Placement and Configuration (1:20)
Application Analysis (1:03)
Indoor Site Survey Tools (1:22)
Outdoor Site Survey Tools Part1 (1:58)
Outdoor Site Survey Tools Part2 (2:07)
Coverage Part1 (1:49)
Coverage Part2 (0:49)
Confirmation (0:40)
Module 16 Review (0:08)
Review Questions
PoE
PoE (0:17)
Non -Standard (1:34)
802.3af (0:35)
Powered Device (1:08)
Discovery Part1 (1:26)
Discovery Part2 (3:23)
Endpoint (0:55)
Midspan (1:14)
MDI (0:37)
PoE Part1 (0:54)
PoE Part2 (2:35)
PoE Part3 (0:50)
PoE Part4 (2:02)
Module 17 Review (0:12)
Review Questions
High Throughput (HT)
High Throughput (HT) (0:21)
802.11n -2009 Amendment (0:38)
Wi -Fi Alliance Certification Part1 (1:03)
Wi -Fi Alliance Certification Part2 (3:09)
MIMO Part1 (1:50)
MIMO Part2 (1:18)
MIMO Part3 (0:50)
MIMO Part4 (1:22)
MIMO Part5 (0:34)
Spatial Multiplexing (SM) Part1 (0:36)
Spatial Multiplexing (SM) Part2 (0:48)
MIMO Diversity Part1 (1:37)
MIMO Diversity Part2 (1:09)
Space -Time Block Coding (STBC) (0:40)
Cyclic Shift Diversity (CSD) (0:33)
Transmit Beamforming (TxBF) Part1 (1:07)
Transmit Beamforming (TxBF) Part2 (1:12)
20 MHz Non -HT and HT Channels Part1 (1:37)
20 MHz Non -HT and HT Channels Part2 (0:53)
40 MHz Channels (1:13)
Module 18 Review (0:19)
Review Questions
Very High Throughput (VHT)
Very High Throughput (VHT) (1:02)
802.11ac Part1 (2:34)
802.11ac Part2 (0:51)
802.11ac Part3 (1:08)
802.11ac Part4 (1:20)
802.11ac Part5 (0:44)
802.11ac Part6 (1:29)
802.11ac Part7 (1:07)
802.11ac Part8 (1:10)
802.11ac Part9 (1:40)
802.11ac Part10 (0:53)
802.11ac Part11 (2:01)
802.11ac Part12 (1:11)
Module 19 Review (0:39)
Review Questions
BYOD
BYOD (0:32)
Mobile Device Management Part1 (1:52)
Mobile Device Management Part2 (1:43)
Company-Issued Devices vs. Personal Devices Part1 (3:38)
Company-Issued Devices vs. Personal Devices Part2 (3:11)
Company-Issued Devices vs. Personal Devices Part3 (5:19)
MDM Profiles (0:29)
MDM Agent Software (2:07)
Over the Air Management Part1 (1:54)
Over the Air Management Part2 (0:37)
Guest WLAN Part1 (0:57)
Guest WLAN Part2 (0:54)
Guest WLAN Part3 (1:01)
Guest WLAN Part4 (0:33)
Guest Isolation (1:14)
Guest Registration (0:54)
Module 20 Review (0:20)
Course Closure (1:23)
Review Questions
Adjacent, Nonadjacent, and Overlapping Channels
Lesson content locked
If you're already enrolled,
you'll need to login
.
Enroll in Course to Unlock