CWNA - w @RockstarWiFi

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Certified Wireless Network Associate

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The CWNA class is designed to introduced engineers to the world of Wireless (WiFi) and get them prepared to support life-cycle wireless services in a vendor neutral way. The CWNA program focuses on theory so engineer's are prepared to plan, design, implement, and troubleshoot modern enterprise wireless networks based on any vendors solution. The CWNP program has gained massive popularity in recent years, and the CWNA is the first certification in the path to becoming a wireless professional or expert from CWNP. To earn a CWNA certification, you must take the CWNA exam at a Pearson Vue Testing Center and pass with a 70% or higher. Instructors must pass with a 80% or higher. However you choose to prepare for the CWNA exam, you should start with the exam objectives, which cover the full list of skills tested on the exam. The CWNA certification is valid for three (3) years. To recertify, pass one of the professional level certifications exams (CWSP,CWDP, CWAP) BEFORE your CWNA expires. By doing so, the CWNA will be renwed for another three (3) years. Or retake the current version of the CWNA exam.

Main Areas Covered by CWNA:

    • Radio Frequency (RF) Technologies
    • Antenna Concepts
    • Wireless LAN Hardware and Software
    • Network Design, Installation, and Management
    • Wireless Standards and Organizations
    • 802.11 Network Architecture
    • Wireless LAN Security
    • Troubleshooting
    • How to Perform Site Surveys

CWNA Exam Summary:

Exam Number: CWNA-107
Cost: $175.00 (USD) - Exam Voucher
Availability: Pearson Vue Testing Center
Duration: 90 minutes
Questions: 60 multiple choice / multiple answer
Language: English

There are no formal prerequisites for the CWNA course. It is recommended but not required students attend the CWTS course, and complete the associated exam.

We recommend 1-2yrs IT experience, solid understanding of basic networking, theory of the OSI model, IPv4 stack, and basic L1 - L3 network principals.

The following list contains the materials covered in the lecture portion of the course.
Introduction to WLAN Standards

  • Introduction to WLAN industry organizations
  • Discussion of protocol standards and compliance
  • Overview of 802.11 standard and amendments
  • Discussion of additional networking standards
  • Regulatory domains and their impact

Radio Frequency (RF) Fundamentals

  • RF propagation
  • Properties of RF waves
  • Types of power loss and environmental impact on radio waves
  • Spread spectrum, modulation, and coding
  • Channels and bandwidth

Antennas

  • Antenna fundamentals
  • Polarization and gain
  • Types of WLAN antennas
  • Antenna systems
  • Antenna implementation and safety
  • RF cables, connectors, and accessories

RF Math

  • RF units of measurement
  • Basic RF math
  • RF signal measurements
  • Link budgets

Regulatory Domains

  • Regulatory domains
  • Regulatory bodies and frequency bands
  • Output power rules and examples

WLAN Operation

  • Basic WLAN hardware
  • Basic operating modes
  • WLAN hardware
  • WLAN connectivity
  • WLAN architecture
  • Wireless Network Management Systems (WNMS)

Power over Ethernet (PoE)

  • PoE device types
  • Power delivery
  • Planning for PoE
  • PoE standards

802.11 Service Sets

  • Service set types
  • Authentication and association
  • Network infrastructure
  • Roaming within a WLAN
  • Load-balancing

Basic WLAN Analysis

  • Protocol analysis
  • 802.11 frame types
  • Protection mechanisms
  • Power saving operations
  • Transmission rates

Coordinating Frame Transmissions

  • Introducing CSMA/CA
  • Distributed Coordination Function (DCF)
  • WLAN QoS

Modern 802.11 PHYs

  • HT (802.11n) PHY and MAC layer enhancements
  • MIMO and SISO systems
  • HT coexistence mechanisms
  • HT integration and deployment
  • HT site surveying and analysis
  • VHT (802.11ac PHY and MAC layer enhancements

Basic Site Surveying

  • RF site survey defined
  • Gathering information and resources
  • Spectrum analysis for site surveys
  • Site survey types
  • Survey considerations
  • Survey deliverables

Basic Security

  • Importance of WLAN security
  • Security policy
  • Legacy WLAN security mechanisms
  • Modern WLAN security mechanisms
  • Baseline WLAN security practices

Modern Challenges (BYOD and Guest Access)

  • Mobile Device Management (MDM)
  • Bring Your Own Device (BYOD)
  • Guest access
  • High density basics

Potential Hands-on Lab Exercises

  • Exploring 802.11
    • Understanding standard documents
    • Viewing the various sections
    • Mastering the terminology
  • 2.4 GHz vs. 5 GHz Congestion
    • Viewing activity in a spectrum analyzer
    • Viewing active networks in a Wi-Fi Finder (inSSIDer)
  • Antennas
    • Changing antennas for different results
  • Viewing RSSI
    • RSSI values of different adapters at the same location
  • 2.4 GHz Amplified
    • The impact of amplifiers vs. antenna gain
  • Configuring APs
    • Configuring an autonomous AP
    • Configuring a lightweight AP
  • Configuring CLients
    • Configuring connection profiles
    • Configuring security
  • Using PoE
    • Using a mid-span PoE injector
  • Protocol Analysis
    • Capturing frames
    • Analyzing frames
  • Spectrum Analysis
    • Viewing activity
    • Understanding signatures
  • RTS/CTS Impact
    • Protection mechanism configuration
    • Performance comparisons
  • 802.11n/ac Impact
    • Spectrum view with an 802.11n/ac AP
    • Spectrum view with an 802.11a/g AP
  • Site Survey Tools
    • Using tablet- or phone-based site survey software
    • Using laptop site survey software
    • Using predictive site survey software
  • Configuring Basic Security
    • Viewing packets without security
    • Configuring an AP to use WPA2-Personal
    • Connecting to the AP with a client
    • Viewing packets with security

The associated exam for this course measures the candidate’s ability to understand the fundamentals of RF behavior and to describe the features and functions of WLAN components as they apply to WLAN administration.  Also tested are the skills needed to install, configure, and troubleshoot WLAN hardware peripherals and protocols in small business and enterprise deployments. 

The skills and knowledge measured by this examination are derived from a Job Task Analysis (JTA) involving wireless networking experts (CWNEs) and professionals. The results of this JTA were used in weighing the subject areas and ensuring that the weighting is representative of the relative importance of the content.