EncartaLabs

Certified Wireless Network Administrator (CWNA)

( Duration: 5 Days )

The Certified Wireless Network Administrator (CWNA) training 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.

By attending Certified Wireless Network Administrator (CWNA) workshop, attendees will learn:

  • Spectrum Capture and Analysis
  • Infrastructure Mode Throughput Analysis
  • Using Laptop Analyzers
  • Site Survey
  • Basic WLAN Security
  • Wireless Intrusion Prevention Systems

  • Basic networking knowledge, including understanding of the OSI Reference model and IP subnetting.

The Certified Wireless Network Administrator (CWNA) class is ideal for:

  • Network and System Administrators, Consultants & Engineers that need to support Wireless LAN deployments.

COURSE AGENDA

1

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
2

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
3

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
4

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
5

Basic WLAN Analysis

  • Protocol Analysis
  • 802.11 Frame Types
  • Data Frames
  • Control Frames
  • Management Frames
  • Protection Mechanisms
  • Legacy Power Saving operations
  • Transmission Rates
6

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)
7

RF Math and System Operating Margin

  • RF units of measure
  • Basic RF mathematics
  • RF signal measurements
  • Understand link budgets
8

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
9

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
10

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)
11

WLAN Security

  • The Importance of WLAN Security
  • Security Policy
  • Legacy WLAN Security Mechanisms
  • Modern WLAN Security Mechanisms
  • Baseline WLAN Security Practices
12

Site Surveying

  • Defining an RF site survey
  • Spectrum Analysis
  • Types of RF site surveys
  • Manual RF site surveys
  • Predictive Modeling
  • Dense AP deployments
13

Antennas

  • 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

Encarta Labs Advantage

  • One Stop Corporate Training Solution Providers for over 4,000 Modules on a variety of subjects
  • All courses are delivered by Industry Veterans
  • Get jumpstarted from newbie to production ready in a matter of few days
  • Trained more than 50,000 Corporate executives across the Globe
  • All our trainings are conducted in workshop mode with more focus on hands-on sessions

View our other course offerings by visiting http://encartalabs.com/course-catalogue-all.php

Contact us for delivering this course as a public/open-house workshop/online training for a group of 10+ candidates.

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