Certified Wireless Technology Specialist

Wireless Level 1: Certified Wireless Technology Specialist (CWTS®) provides the intermediate knowledge for entering into or advancing within the wireless networking industry. From RF theory and regulatory requirements to implementation of wireless local area network (WLAN) devices, this course focuses on bringing Wi-Fi technical professionals up-to-speed on the latest in 802.11 technologies in a practical way.


Target Audience:

This course is designed for customer facing advanced technicians, business technicians, maintenance technicians, sales engineers, engineering, project managers and networkers.

Recommended Prerequisites:

  • SCTE·ISBE Broadband Wireless Specialist (BWS)

Requirements for Successful Course Completion:

  • Final exam with a passing grade of 80%
  • Completion of SCTE·ISBE course feedback form

Subject Areas:

  • Wi-Fi Technology, standards, and certifications
  • Hardware and software
  • Radio frequency fundamentals
  • Site surveying and installation
  • Applications, support, and troubleshooting
  • Security and monitoring

Duration: 25 Hours

Certification:

This course prepares participants to earn the CWTS® – Certified Wireless Technology Specialist certification (PW0-071). CWTS testing is available through Pearson VUE testing centers and is not part of the training.

Passing score on the certification 70% or higher.

Course Materials:

This course includes a book –

CWTS: Certified Wireless Technology Specialist Official Study Guide: Exam PWO-071

Upon Successful Course Completion You Will Receive:

  • SCTE·ISBE Course Completion Certificate
  • 2 recertification units (RUs) toward SCTE·ISBE certification renewal

Course Modules:

Module 01: Introduction to Computer Networking

Module 02: Introduction to Wireless Local Area Networking

Module 03: Wireless LAN Infrastructure Devices

Module 04: Wireless LAN Client Devices

Module 05: Access Methods, Architectures, and Spread Spectrum Technology

Module 06: RF Fundamentals for Wireless LAN Technology

Module 07: Wireless LAN Antennas and Accessories

Module 08: Wireless LAN Terminology and Technology

Module 09: Wireless LAN Security

Module 10: Planning a WLAN Site Survey

Module 11: Performing an RF Wireless LAN Site Survey

Module 12: Troubleshooting and Maintaining Wireless LANs

Module 13: Cable Wi-Fi

Course Objectives:

Module 01: Introduction to Computer Networking

Introduction:

Computer and device networking provides the foundation for installers to connect devices using wireless as a transport medium. In this module, the learner will be able to identify the types of networks used by cable operators, network topologies and how the international standard organization (ISO) open standards interconnect (OSI) model is used in computer networking.

Module Learning Objectives:

Upon successful completion of this topic, the learner will be able to:

  • Discuss the types of networks
  • Discuss the types of network topologies
  • Understand the role of the OSI Model

Module 02: Introduction to Wireless Local Area Networking

Introduction:

802.11x is a family of wireless specifications developed by the Institute of Electrical and Electronics Engineer (IEEE). Understanding the wireless computer network and deployment scenarios allow for accurate installation of wireless services. In this module, the learner will be able to identify the standards and regulations required for wireless within the subscriber’s premises.

Module Learning Objectives:

Upon successful completion of this topic, the learner will be able to:

  • The Wireless Computer Network
  • Common WLAN Deployment Scenarios
  • Building-to-Building Connectivity Using WLAN
  • RF Regulatory Domain Governing Bodies and Local Regulatory Authorities
  • IEEE and Wireless LAN Standards (802.11, 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac and amendments)
  • Interoperability Certifications

Module 03: Wireless LAN Infrastructure Devices

Introduction:

The modern home network, business service networks and community Wi-Fi hotspots takes advantage of numerous devices such as access points (APs), routers, bridges, repeaters and controllers. The devices will require a power source and in some cases, take advantage of a technology called power of Ethernet (POE). In this module, the learner will compare the different types of hardware required for connecting the cable customer over a WLAN.

Module Learning Objectives:

Upon successful completion of this topic, the learner will be able to:

  • The Wireless Access Point
  • Wireless Mesh
  • Wireless LAN Routers
  • Wireless Bridges
  • Wireless Repeaters
  • Wireless LAN Controllers
  • Power over Ethernet

Module 04: Wireless LAN Client Devices

Introduction:

Wireless clients utilize various types of hardware to provide connectivity over the modern home network. The client hardware utilizes drivers and may also require software to provide activation of the client on the device’s operating system. In this module, the learner will select the correct wireless peripheral for network connectivity, and verify the association on the subscriber’s devices. 

Module Learning Objectives:

Upon successful completion of this topic, the learner will be able to:

  • Radio hardware used with Wireless LAN Technology PCMCIA and ExpressCard
  • USB 1.0, USB 1.1, USB 2.0 and USB 3.0
  • Peripheral Component Interconnect (PCI), Mini-PCI, Mini-PCIe and Half Mini-PCIe
  • Additional Adapter Types
  • CompactFlash Devices
  • Secure Digital (DSIO)
  • Wireless Workgroup Bridges
  • Client Device Drivers
  • Client Utility Software

Module 05: Access Methods, Architectures and Spread Spectrum Technology

Introduction:

Two of the IEEE 802.11x Wi-Fi functional layers are the physical (PHY) and media access control (MAC). WLAN access methods, spread spectrum technology, and the difference in PHY transport will be key topics throughout this module. In this module, the learner will be able to list the features of the PHY layer of Wi-Fi.

Module Learning Objectives:

Upon successful completion of this topic, the learner will be able to:

  • Network Access Methods
    • CSMA/CD
    • CSMA/CA
    • Distributed Coordination Function (DCF)
    • Point Coordination Function (PCF)
    • Hybrid Coordination Function (HCF)
    • InterFrame Spacing (IFS)
  • Spread-Spectrum Technology
    • Half Duplex
    • Narrowband and Spread Spectrum
    • Frequency-Hopping Spread Spectrum (FHSS)
    • 11 Direct-Sequence Spread Spectrum (DSSS)
    • 11b High Rate/Direct-Sequence Spread Spectrum (HR/DSSS)
    • IEEE 802.11 DSSS and HR/DSSS Channels
  • IEEE 802.11g Extended Rate Physical (ERP)
  • IEEE 802.11n High Throughput (HT)
  • IEEE 802.11a, 802.11g and 802.11n Orthogonal Frequency Division Multiplexing (OFDM)
    • Channels
  • Multiple Input/Multiple Output (MIMO) Technology
    • Beamforming and Diversity
    • MCS Tables

Module 06: RF Fundamentals for Wireless LAN Technology

Introduction:

RF fundamentals will build on the previous module Access Methods, Architectures and Spread Spectrum Technology. In this module, the learner will be able calculate basic RF units of measure, along with identifying interference sources in a WLAN.

Module Learning Objectives:

Upon successful completion of this topic, the learner will be able to:

  • Understanding Radio Frequency fundamentals and characteristics
    • Wavelength
    • Frequency
    • Amplitude
    • Phase
    • Binary Phase Shift Keying
  • Radio Frequency Used in Wireless LANs
    • Wireless LAN Coverage and Capacity
    • Radio Frequency Channel Reuse and Device Co-location
    • Radio Frequency Range and Speed
    • Line of Sight (LoS) in Wireless Networking
      • Fresnel Zone
    • Wi-Fi and Non-Wi-Fi Interference
      • Co-channel and Adjacent Channel Interference
        • Channel Separation
      • WLAN/WPAN Interference
        • Environment: RF Behavior
        • Wave propagation
        • Gain (Amplification), Loss (Attenuation)
        • Reflection
        • Refraction
        • Free Space Path Loss (FSPL)
        • Diffraction
        • Scattering
        • Multipath
        • Absorption
      • Basic Units of Radio Frequency Measurement
        • Positional Number System
        • Exponential Notation
        • Power
          • Absolute
          • Relative
        • Large Values
          • Scientific Notation
          • Engineering Notation
        • Watt
          • W, mW
        • Decibel
          • dBm, dBd, dBi
        • Equivalent Isotropically Radiated Power (EIRP)
        • RSSI
        • SNR

Module 07: Wireless LAN Antennas and Accessories

Introduction:

Good RF propagation in a WLAN is dependent on the quality of signal provided by the antennas system. Peaking the antenna system and proper placement also are significant to a healthy RF signal. In this module, the learner will be able list the pros and cons of various types of antenna systems.

Module Learning Objectives:

Upon successful completion of this topic, the learner will be able to:

  • Basic Radio Frequency Antenna Concepts
    • Magnetic Field
    • Radio Frequency Lobes
      • Azimuthal
      • Elevation
    • Antenna Beamwidth
    • Antenna Gain
    • Passive Gain
    • Beam Width
    • RF Power Regulations
    • EIRP
    • Active Gain
    • Antenna Polarization
  • Wireless LAN Antenna Types
    • Omnidirectional Antennas
      • Low Gain
      • High Gain
    • Semidirectional Antennas
      • Patch
      • Sector Panel
    • Highly Directional Antennas
      • Yagi
      • Grid
      • Parabolic
    • Spatial Streams
    • Diversity Array
    • Antenna Aperture
    • RF Cables and Connectors
      • Cable Length
      • Impedance
      • VSWR
      • BNC, SMA, SMB, UHF, N and TNC
    • Link Budget
    • Factors in Antenna Installation
      • Eath Curvature
    • Minimizing the Effects of Multipath fading
    • Environmental Effects
      • Arrestors
    • Installation Safety
    • Mounting Antennas
      • Pole/Mast
      • Ceiling
      • Wall
    • Maintaining Clear Communications
      • Fresnel Zone
      • Visual Line of Sight (VLoS)
      • Radio Frequency LoS (RF LoS)

Module 08: Wireless LAN Terminology and Technology

Introduction:

The technology of wireless comes with an abundant amount of industry jargon. Service set identifiers, modes of operation, data rates and switching; protection mechanisms, and roaming will be some of the topics covered. In this module, the learner will be able to use proper terminology to explain wireless features and benefits to a cable subscriber.

Module Learning Objectives:

Upon successful completion of this topic, the learner will be able to:

  • Terminology
    • Starting, Joining a BSS and Basic service set identifier (BSSID)
    • Mesh basic service set (MBSS)
  • Wireless LAN Modes of Operation
    • Service set identifier (SSID)
    • Basic Service Set (BSS)
    • Ad Hoc mode and independent basic service set (IBSS)
    • Infrastructure mode and extended service set (ESS)
  • Connecting to an IEEE 802.11 Wireless Network
  • Wireless Distribution System (WDS)
  • Data Rates
  • Throughput
  • Dynamic Rate Switching
  • Wireless LAN Roaming or Transition
  • IEEE 802.11 Power Save Operations
  • IEEE 802.11 Protection Mechanisms

Module 09: Wireless LAN Security

Introduction:

Wireless signals travel over the air using RF, making them susceptible to hacking. These signals must remain secure for the subscriber’s sensitive data transfers over a WLAN. In this module, the learner will choose the correct security solution that allows maximum protection in a wireless cable network.

Module Learning Objectives:

Upon successful completion of this topic, the learner will be able to:

  • Introducing IEEE 802.11 Wireless LAN Security
  • Wireless LAN Threats and Intrusion
  • IEEE 802.11 Standard Security
    • Open System / Shared Key
  • 11 Legacy Security Methods
  • IEEE 802.11 Authentication and Data Encryption
  • IEEE 802.11 SOHO and Enterprise Security Technologies
  • Wi-Fi Protected Access (WPS)
    • PIN and PBC
  • WPA and WPA2
    • Personal Security
    • Enterprise Security
    • Preshared Key
    • AES-CCMP
    • AES-RC4
  • IEEE 802.1x/EAP
  • RADIUS
  • IEEE 802.11 Encryption Methods
    • Wired Equivalent Privacy (WEP)
    • Temporal Key Integrity Protocol (TKIP)
    • Counter Mode with Cipher Block Chaining Message Authentication Code Protocol (CMCBCM)
  • Role-Based Access Control (RBAC)
  • Virtual Private Networking (VPN)
  • Wireless Intrusion Prevention System (WIPS)
  • WLAN Management and Monitoring Systems
  • Industry Regulatory Compliance

Module 10: Planning a WLAN Site Survey

Introduction:

Determining the proper placement of wireless equipment is vital to strong RF signals and suitable coverage at the premises. Gathering business requirements, performing interviews, reviewing floor plans and blueprints; and learning about the client requirements are important phases to revealing appropriate coverage and robust signal levels. In this module, the learner will plan the steps required for a successful WLAN site survey.

Module Learning Objectives:

Upon successful completion of this topic, the learner will be able to:

  • Wireless LAN Site Surveys
  • Gathering Business Requirements
  • Interviewing Stakeholders
  • Defining Physical and Data Security Requirements
  • Gathering Site-Specific Documentation
  • Identifying Infrastructure Connectivity and Power Requirements
  • Understanding Application Requirements
  • Application Effects on Wireless LAN Capacity
  • Understanding RF Coverage and Capacity Requirements
  • Client Connectivity Requirements
  • Antenna Use Considerations

Module 11: Performing an RF Wireless LAN Site Survey

Introduction:

As we mentioned, determining the proper placement of wireless equipment is vital to strong RF signals and suitable coverage at the premises. In this module, the learner will identify the tools that allow operators to determine proper placement of wireless equipment at the premises.

Module Learning Objectives:

Upon successful completion of this topic, the learner will be able to:

  • The Physical Radio Frequency Site Survey Process
  • Radio Frequency Spectrum Analysis
  • Performing a Manual Radio Frequency Wireless LAN Site Survey
  • Performing a Predictive Modeling Site Survey
  • Protocol Analysis
  • Documenting Existing Network Characteristics
  • RF Coverage Requirements
  • Infrastructure Hardware Selection and Placement
  • Infrastructure Connectivity and Power Requirements
  • Received Signal Strength Indicator (RSSI)
  • Testing Antenna Use
  • Testing Multiple Antenna Types
  • Wireless Device Installation Limitations
  • Site Survey Report

Module 12: Troubleshooting and Maintaining IEEE 802.11 Wireless Local Area Networks

Introduction:

One of the most important skills is the ability to troubleshoot WLAN failures. Connectivity, coverage, capacity, performance and interference are common issues experience by customers. In this module, the learner will apply solutions for common WLAN failures, identify ways to optimize WLANs and education the customer appropriately.

Module Learning Objectives:

Upon successful completion of this topic, the learner will be able to:

  • Identifying Wireless LAN Problems
  • Wireless LAN Connectivity—Coverage and Capacity Problems
  • Application Performance Problems
  • Optimizing WLANs
    • Wireless Infrastructure Hardware Selection and Placement
    • Identifying, Locating, and Removing Sources of Wi-Fi and Non-Wi-Fi Interference
    • Wireless Client Device Load Balancing and Infrastructure Device Redundancy
    • Wireless Infrastructure Device Redundancy
    • Analyzing Wireless Infrastructure Capacity and Utilization
    • Radio Frequency Performance Problems: Multipath
    • Radio Frequency Performance Problems: Hidden Node

Module 13: Cable Wi-Fi

Introduction:

Community Wi-Fi is happening now. Cable Wi-Fi hotspots include outdoor public areas, business facilities, and neighborhood hotspots in private homes. In this module, the learner will identify the elements and technology used with Cable Wi-Fi networks.

Module Learning Objectives:

Upon successful completion of this topic, the learner will be able to:

  • Define the components of the Cable Wi-Fi network.
  • Explain carrier class Wi-Fi.
  • Discuss technologies like HotSpot 2.0 and 802.11ac.
  • Describe antenna and fast handoff technology.
  • Understand Wi-Fi and small cells.

Program


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