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AT-CWNA - Wireless LAN Administration Course (CWNA)

If you have any questions about registering for this class, please call (877) 832-0688 Ext. 1493 or email us at getsmart@LRS.com
The Wireless LAN Administration course provides the networking professional a complete foundation of knowledge for entering into or advancing in the wireless networking industry. From basic RF theory to 802.11 frame exchange processes, this course delivers hands on training that will benefit the novice as well as the experienced network professional.
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Prerequisites

Basic networking knowledge, including OSI model and IP subnetting.
 
Detailed Class Syllabus


Introduction to 802.11 WLANs
  • Discuss the standards organizations responsible for shaping the 802.11 Wireless LAN protocol

  • Learn how standards compliance is enforced for 802.11 WLAN vendors

  • Examine the 802.11 standard and various amendments

  • Discuss additional networking standards that are commonly used to enhance 802.11 WLANs


    • Radio Frequency Fundamentals
  • Physical aspects of RF propagation

  • Types of losses and attenuation that affect RF communications

  • Types of modulation used for wireless communications

  • How channels and bandwidth are related to each other in wireless networks

  • Three types of Spread Spectrum used in wireless networking


    • RF Power Output Regulations
  • Understand international, regional, and local RF spectrum management organizations

  • Understand RF channels in the unlicensed 2.4 GHz and 5 GHz frequency ranges

  • How power output limitations are enforced by the FCC for Point-to-Multipoint (PtMP) and Point-to-Point (PtP) wireless connections


    • Power over Ethernet
  • Recognize the two types of devices used in Power over Ethernet (PoE)

  • Understand the two ways in which power can be delivered using PoE

  • Understand the importance of planning to maximize the efficiency of Power over Ethernet


    • 802.11 Analysis and Troubleshooting
  • Introduction to 802.11 Protocol Analysis

  • 802.11 Data Frames

  • 802.11 Control Frames

  • 802.11 Management Frames

  • Frame Fragmentation

  • Power Saving operations

  • Transmission Rates


    • Coordinating 802.11 Frame Transmissions
  • Differences between CSMA/CD and CSMA/CA

  • Distributed Coordination Function (DCF)

  • Quality of Service in 802.11 WLANS


    • Antennas
  • Antenna characteristics and behaviors

  • Types of antennas commonly used with WLANs

  • Advanced antenna systems

  • Antenna placement and mounting

  • Antenna safety

  • Types of antenna cables, connectors, and accessories


    • RF Math and System Operating Margin
  • RF units of measure

  • Basic RF mathematics

  • RF signal measurements

  • Understand link budgets

  • Define and calculate System Operating Margin (SOM)


    • 802.11 Service Sets
  • Explain three types of service sets defined for use within 802.11 WLANs

  • Roaming within a WLAN

  • Load-balancing as a method to improve congestion in WLANs


    • Wireless LAN Operation
  • Ad Hoc networks

  • Infrastructure networks

  • Bridged networks

  • Repeater networks

  • Mesh networks

  • WLAN switched networks

  • Enterprise Wireless Gateway networks

  • Enterprise Encryption Gateway networks

  • Virtual AP networks

  • Evolution of WLAN architectures

  • WLAN Management


    • WLAN Security
  • Security Policy and Procedures

  • Legacy 802.11 Security Components

  • 802.11i Security Components

  • WPA-Personal

  • WPA-Enterprise

  • WPA2-Personal

  • WPA2-Enterprise

  • Baseline Security Practices (SOHO, SMB, Enterprise)


    • Site Surveying
  • Understanding the need for a site survey

  • Defining business requirements and justification

  • Facility analysis

  • Interviewing network management and users

  • Identifying bandwidth requirements

  • Determining contours of RF coverage

  • Documenting installation problems

  • Locating interference

  • Reporting methodology and procedures

  • Understanding specifics of each vertical market

  • Understanding the customer's network topology

  • Creating appropriate documentation during and after the site survey

  • Understanding safety hazards

  • Using appropriate hardware and software to perform the survey

  • Understanding the need for spectrum analysis

  • Manual RF site surveys

  • Predictive site surveys

  • Dense AP deployment
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