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Certified Wireless Network Administrator – CWNA

Certified Wireless Network Administrator - CWNA Training | Insoft Services


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  • 4 Days Course
    Wireless / Mobility



    Certified Wireless Network Administrator – CWNA is the base certification for Enterprise Wi-Fi within the CWNP family of certifications and a springboard toward security, design, analysis and network expert certifications.


    The Certified Wireless Network Administrator – CWNA 4.0 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.


    Upon completing this course, the learner will be able to meet these overall objectives:

    • Introduction to 802.11 WLANs
    • Radio Frequency Fundamentals
    • Understand international, regional, and local RF spectrum management organizations
    • Basic WLAN Analysis
    • Coordinating 802.11 Frame Transmissions
    • RF Math and System Operating Margin
    • 802.11 Service Sets
    • Challenges addressed by 802.11n
    • Wireless LAN Operation
    • WLAN Security
    • Site Surveying
    • Antennas


    Hands-on Lab Exercises

    Spectrum Capture and Analysis

    • Installing spectrum analyzer software
    • Performing and analyzing a capture
    • Swept Spectrogram
    • Real Time FFT
    • FFT Duty Cycle
    • Channel Utilization
    • Interference with Wi-Fi Channels
    • Interfering Device Discovery

    Infrastructure Mode Throughput Analysis

    • Section A: Greenfield mode throughput (802.11b vs. g vs. a vs. n)
    • Section B: Mixed mode throughput
    • Section C: Adjacent and co-channel interference
    • Understanding speeds and feeds of Wi-Fi technologies

    Using Laptop Analyzers

    • Using laptop analyzers for WLAN discovery and protocol analysis.
    • Understanding security and performance related protocol analysis
    • Installing and configuring a WLAN discovery tool.
    • Installing and configuring a laptop protocol analyzer
    • Locating 2.4 GHz and 5 GHz WLANs
    • Capturing and analyzing Management, Control, and Data frames
    • Capturing and analyzing a WPA2-Personal authentication
    • A protocol analyzer is provided on the student CD

    Site Survey

    • Classes of site survey methodology
    • Section A: Manual site surveys (sometimes called the walkabout)
    • Section B: Predictive analysis (sometimes called automated site surveying)
    • Manual site surveying
    • Active mode vs passive mode
    • Predictive analysis software tools

    Basic WLAN Security

    • WPA compliant
    • WPA2 compliant
    • Personal vs Enterprise
    • TKIP encryption
    • 802.11i compliant CCMP
    • 802.1X/EAP authentication

    Wireless Intrusion Prevention Systems

    • security monitoring
    • performance monitoring
    • reporting
    • Installation and configuration of WIPS
    • Properly classifying authorized, rogue/unauthorized, and external/interfering access points or clients
    • Event monitoring and notification
    • Identifying and mitigating rogue devices
    Course Outline

    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 and coding schemes (MCS) used for 802.11 communications
    • How channels and bandwidth are related to each other in wireless networks
    • 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
    • Understand 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)
    • Recognize the differences between the two types of Power Sourcing Equipment (PSE)
    • 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
    • Understand the two standards currently available for PoE
    • Powering 802.11n APs

    Basic WLAN Analysis

    • Protocol Analysis
    • 802.11 Frame Types
    • Data Frames
    • Control Frames
    • Management Frames
    • Protection Mechanisms
    • Legacy Power Saving operations
    • Transmission Rates

    Coordinating 802.11 Frame Transmissions

    • Differences between CSMA/CD and CSMA/CA
    • Distributed Coordination Function (DCF)
    • Network Allocation Vector (NAV)
    • Clear Channel Assessment (CCA)
    • Interframe Spacing (IFS)
    • Contention Window (CW)
    • Quality of Service in 802.11 WLANs
    • Point Coordination Function (PCF)
    • Hybrid Coordination Function (HCF)

    RF Math and System Operating Margin

    • RF units of measure
    • Basic RF mathematics
    • RF signal measurements
    • Understand link budgets

    802.11 Service Sets

    • Three types of service sets defined for use within 802.11 WLANs
    • 802.11 authentication and association
    • 802.11 network infrastructure
    • Roaming within a WLAN
    • Load-balancing as a method to improve congestion in WLANs
    • The 802.11n Amendment

    Challenges addressed by 802.11n

    • 802.11n PHY/MAC layer enhancements
    • MIMO and SISO systems
    • 802.11n coexistence mechanisms
    • 802.11n integration and deployment considerations
    • 802.11n site surveying and analysis

    Wireless LAN Operation

    • WLAN Hardware Devices
    • WLAN Software
    • Architecture Types and Evolution
    • Ad Hoc & Infrastructure Connectivity Operation
    • AP Modes
    • Bridging & Repeating
    • Mesh Networking
    • WLAN Controller Deployments
    • WLAN Profiles
    • Multichannel Architecture (MCA)
    • Single Channel Architecture (SCA)
    • WLAN Management Systems (WNMS)

    WLAN Security

    • The Importance of WLAN Security
    • Security Policy
    • Legacy WLAN Security Mechanisms
    • Modern WLAN Security Mechanisms
    • Baseline WLAN Security Practices

    Site Surveying

    • Defining an RF site survey
    • Spectrum Analysis
    • Types of RF site surveys
    • Manual RF site surveys
    • Predictive Modeling
    • Dense AP deployments


    • Types of antennas and antenna systems commonly used in 802.11 WLANs
    • Antenna Polarization and Gain
    • Antenna implementation and safety
    • Types of antenna cables, connectors, and other accessories

    Pubblico di destinazione

    • This intensive, 5 day course is intended for network and system administrators, consultants and engineers that need to support Wireless LAN deployments.


    • Students should have basic networking knowledge, including understanding of the OSI Reference model and IP subnetting.