Training Course

Certified Wireless Technical Specialist (CWTS)

  • CWTS
  • £1,895 +VAT
  • 2 days

Why this CWTS course?

This unique course provides a technical grounding in 802.11 / Wi-Fi networks, including 802.11 / Wi-Fi standards and amendments, 802.11 protocol operation, equipment configuration, installation and testing; RF Channels, RF spectrum analysis, and an overview of Wi-F Site Survey. The course helps attendees prepare for the Certitrek Certified Wireless Technician (CWT) and Certified Wireless Specialist (CWS) on-line certification exams

CWTS Training Course Objectives

On completing this course, you will be able to:

  • Understand 802.11 / Wi-Fi terminology
  • Understand Wi-Fi equipment and its primary functions
  • Understand the configuration process for SSIDs, security settings and other client adapter settings
  • Properly configure and install Wi-Fi access points
  • Configure a WLAN client for connectivity
  • Understand essential aspects of outdoor wireless networks
  • Gather information from a design specification document
  • Specify Wi-Fi site survey requirements
  • Troubleshoot basic Wi-Fi connection problems and help users regain network connectivity
  • Prepare for the Certitrek Certified Wireless Technician (CWT) and Certified Wireless Specialist (CWS) on-line certification exams.

Who should attend this CWTS course

  • Wi-Fi sales professionals or marketing personnel.
  • Level 1 and Level 2 IT support staff supporting Wi-Fi network users.
  • Installers of Wi-Fi access points and other wireless products.
  • Project managers responsible for wireless network deployments.
  • People wanting to take the Certitrek Certified Wireless Specialist (CWS) and/or Certified Wireless Technician (CWT) on-line certification exams.

CWTS Course Pre-requisites

Students should have a basic knowledge of Ethernet networks.

Lifetime Post-Course Support

After completing this CWTS training course, delegates receive lifetime post-training support from LEVER Technology Group, to help them apply the technologies and skills they have learned with us, to provide career-long support, and to ensure they are better equipped for their future roles in IT and networking.

CWTS Training Course Content

Introduction to Networking

  • Understanding Network Models
  • Understanding Protocols
  • SDU
  • PDU
  • OSI – The de facto Reference Model
  • The seven layer model
  • Equipment per layer
  • Mapping other protocols into the OSI model
  • TCP/IP – four layer model

Wi-Fi Organisations and Standards

  • Regulatory Bodies
  • IEEE
  • Wi-Fi Alliance
  • WLAN Connectivity
  • WLAN Security
  • WLAN QoS and Power-Save
  • IEEE 802.11 Standards,
  • Amendments, and Drafts
  • 802.11-2016
  • Wi-Fi 6
  • 802.11a/b/g/n/ac/ax
  • 802.11e/h/i/j/k/r/s/u/v/w
  • Hotspot 2.0

Wi-Fi Hardware and Software

  • Access Points
  • Lightweight
  • Autonomous
  • WLAN Routers
  • WLAN Bridges
  • WLAN Repeaters
  • WLAN Controllers/Switches
  • Direct-connect APs
  • Distributed-connect APs
  • PoE Infrastructure
  • Midspan
  • Endpoint
  • Client hardware and software
  • Antenna types and uses

Radio Frequency (RF) Fundamentals

  • Units of RF measurements
  • Factors affecting network range and speed
  • Environment
  • Line-of-sight
  • Interference

Spread Spectrum Concepts

  • OFDM and HR/DSSS channels
  • Co-location of HR/DSSS and OFDM systems
  • Adjacent-channel and co-channel interference
  • WLAN / WPAN co-existence
  • CSMA/CA operation half duplex
  • Defining differences between physical layers
  • MIMO

RF Antenna Concepts

  • Passive gain
  • Beam widths
  • Simple diversity
  • Polarisation
  • Antenna Mounting
  • Pole/mast mount
  • Ceiling mount
  • Wall mount
  • WLAN Accessories
  • RF cables
  • RF connectors
  • Lightning arrestors and grounding rods

Wi-Fi Site Surveying

  • Information gathering and reporting
  • Multiple Channel Architecture (MCA) cell planning basics
  • Single Channel Architecture (SCA) cell planning basics
  • Predictive Site Survey
  • Manual Site Survey
  • Passive Survey
  • Active Survey
  • Mesh Access Layers
  • Use of Analysers:
    • Spectrum Analysers
    • Protocol Analysers
    • Site Survey tools
  • Identifying and locating RF interference sources
  • Wi-Fi versus Non-Wi-Fi interference
  • Hardware placement limitations
  • Best practices for antenna use

Wi-Fi Operational Concepts

  • Range, Coverage, Capacity
  • Frequencies/channels used
  • Channel reuse and co-location
  • Active and passive scanning
  • Power saving operation
  • Data rates and throughput
  • Dynamic rate selection
  • Authentication and association
  • The distribution system and roaming
  • Infrastructure and ad hoc modes
  • Protection mechanisms

Applications, Support, and Troubleshooting

  • Installation/configuration of common network types
  • Small Office / Home Office (SOHO)
  • Extension of existing networks into remote locations
  • Building-to-building connectivity
  • Public wireless hotspots
  • Mobile office, classroom, industrial, and healthcare
  • Corporate data access and end-user mobility
  • Last-mile data delivery (WISP)
  • Transportation networks

Wi-Fi Security and Compliance

  • 802.11 Legacy Security Methods (including WEP)
  • Encryption – TKIP, CCMP/AES
  • Authentication Passphrases and 802.1X/EAP
  • WPAv1 versus WPA2
  • WPA-Personal
  • WPA-Enterprise
  • WPS Pushbutton / PIN
  • Role-Based Access Control (RBAC)
  • VPN Security
  • Wireless Intrusion
  • Protection Systems (WIPS)
  • PCI Compliance
  • HIPAA Compliance
  • Enforcing Compliance

Recognising and troubleshooting wireless network problems

  • Decreased throughput
  • Intermittent or no connectivity
  • Weak signal strength
  • Device upgrades
  • Wi-Fi Network Optimisation Procedures
  • Infrastructure hardware selection and placement
  • Identifying, locating, and removing sources of interference
  • Client load-balancing
  • Analysing infrastructure capacity and utilisation
  • Multipath and hidden nodes

Classroom Demonstrations

  • AP/Client Connectivity with WPA2-Personal Security and PoE Power
  • Spectrum Analysis of RF Environment
  • Protocol Analysis of RF Environment
  • Configuring an Autonomous AP
  • Configuring a Controller-based wireless network
  • Configuring “controller-less” systems
Repair, Installation, Training & Support

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