Opleiding: Certified Wireless Specialist [CWS]
OVERVIEW
This course of the CWNP program provides an excellent, vendor-neutral introduction to 802.11 / Wi-Fi networks for "non-technical" people, and helps attendees prepare for the Certified Wireless Specialist (CWS) on-line exam and certification. The course goes beyond the basic CWS curriculum, explains the language and terminology of 802.11 standards and Wi-Fi, as well as the hardware and software used in indoor and outdoor wireless networks (WLANs) - from Radio Frequency (RF) concepts, through 802.11 / Wi-Fi terminology, to the details of Wi-Fi AP, client devices and wireless bridges.
The Certified Wireless Specialist (CWS) certification validates the knowledge of wireless sales, marketing, entry-level support and decision-making professionals in 802.11 / Wi-Fi networks.
OBJECTIVES
After completing this course, you will be able to:- Understand Wi-Fi equipment and its primary functions
- Understand 802.11 / Wi-Fi terminology
- Identify Wireless LAN hardware and software
- Understand essential aspects of outdoor wireless networks
- Specify Wi-Fi site survey requirements
- Understand how to define an Organisation's goals and requirements for a Wi-Fi network
- Prepare for the Certitrek Certified Wireless Specialist (CWS) on-line certification exam.
AUDIENCE
- People responsible for selling or marketing wireless products and services.
- Entry-level / Level 1 IT support staff, supporting Wi-Fi network users.
- Decision-making professionals and stakeholders with influence over Wi-Fi network purchases.
- People wanting to take the Certitrek Certified Wireless Specialist (CWS) on-line certification exam.
CERTIFICATION
The CWS course helps attendees prepare for the CWS-101 exam: Certified Wireless Specialist (CWS).
Primary Knowledge Domains of the CWS Exam:
- Understand Basic RF Hardware and Functions - 15% of exam
- Identify 802.11 Features and Functions - 30% of exam
- Identify Wireless LAN Hardware and Software - 30% of exam
- Understand Organizational Goals - 25% of exam
CONTENT
Understanding Radio Frequency (RF) concepts- Understanding the essential characteristics of Radio Frequency transmissions
- How do RF signals move through an environment?
- Understanding the RF bands used for Wi-Fi
- RF channels and Channel Plans
- From 802.11 to 802.11ax and beyond
- What are DSSS, OFDM, ERP, HT, VHT and HE?
- What are the capabilities of each standard
- Understanding the basic Physical layer (PHY) characteristics
- The role and functions of Wireless Access Points (APs)
- AP features and capabilities
- Standalone, controller-based, branch and controller-less APs
- Understanding AP management
- Understanding Wi-Fi antennas
- Choosing between WLAN antenna types
- Understanding the capabilities of Wi-Fi client devices
- Discovering client devices and the applications in use
- Understanding the loads that Wi-Fi clients place on networks
- PTP versus PtMP
- How fast and far can we go with wireless links?
- Wireless link reliability
- Overview of Mesh networks
- Factors that affect Wi-Fi network performance
- The Wi-F client perspective
- What affects Wi-Fi network capacity?
- The requirements for VoWLAN (Voice over Wi-Fi)
- Understanding WPA, WPA2 and WPA3 security
- Understanding Captive Portals (and splash pages)
- What are BYOD and MDM?
- Determining the best solution for BYOD and Guest Access
- Understanding the more advanced features of 802.11n, 802.11ac and 802.11ax
- What are the requirements for fast and secure roaming?
- What's wrong with most Wi-Fi site surveys today?
- Why too many Wi-Fi networks fail to deliver
- The 7 types of Wi-Fi site survey
- What should a real Wi-Fi site survey involve?
