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Wireless LAN Administration
Associated Certification: CWNA
Course Summary
Duration: 4 days, Classroom
Prerequisites: Basic networking knowledge,
including OSI model and IP subnetting
Introduction
The Wireless LAN Administration 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.
Course Outline
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
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
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
RF Math and System Operating Margin
RF units of measure
Basic RF mathematics
RF signal measurements
Understand link budgets
RF Power Output Regulations
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
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)
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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
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
Basic WLAN Analysis
Protocol Analysis
802.11 Frame Types
Data Frames
Control Frames
Management Frames
Protection Mechanisms
Legacy Power Saving operations
Transmission Rates
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)
The 802.11n Amendment
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
Site Surveying
Defining an RF site survey
Spectrum Analysis
Types of RF site surveys
Manual RF site surveys
Predictive Modeling
Dense AP deployments
WLAN Security
The Importance of WLAN Security
Security Policy
Legacy WLAN Security Mechanisms
Modern WLAN Security Mechanisms
Baseline WLAN Security Practices |
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Hands-on Lab Exercises
Spectrum Analysis
Infrastructure Mode Throughput Analysis
Using Laptop Analyzers
Site Survey
Basic WLAN Security
Wireless Intrusion Prevention Systems
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