Cisco Wireless Lan Support Specialist (CWLSS) - Learning Segments

CWLSS Course Introduction

Module 1 - Introduction to Wireless LAN Technologies

Wireless LAN Standards

Network Extension

Building-To-Building Connectivity

Last Mile Data Delivery

Mobility

Small Office Home Office

Summary

Module 2 - Radio Frequency Overview

Radio Frequency Defined

RF Behaviors

Gain and Loss

Reflection

Refraction

Diffraction

Scattering

Absorption

Voltage Standing Wave Ratio

Principles of Antennas - Line of Sight

Principles of Antennas - Fresnal Zone

Antenna Gain

Intentional Radiator

EIRP - Equivalent Isotropically Radiated Power

Radio Frequency Mathematics

Decibels

Gain & Loss Measurements

Summary

Module 3 - Radio Frequency Spread Spectrum Technology

Unlicensed Frequency Bands

Spread Spectrum RF Technology

Transmitting a Signal

Spread Spectrum Technologies

Frequency Hopping

Direct Sequence vs. Frequency Hopping

Scalability Issues

Summary

Module 4 - Access Points Overview

Access Points

Wireless Bridge and Antennas

Device Configuration

Client Adaptors

Hardware In-depth - Access Points

Hardware In-depth - Wireless Bridges

Hardware In-depth - Client Devices

Access Point - Setup

Client Devices - Setup

Wireless Bridge - Setup

Module 5 - Antennas Overview

Omni-Directional Antennas

Semi-Directional Antennas

Highly-Directional Antennas

RF Antennas - Concepts

Free Space Path Loss

Antenna Installation

WLAN Accessories

Summary

Module 6 - Standards Overview

WLAN Organizations

ISM Bands

Output Rules

IEEE

802.11 Standard

Misc. Organizations and Standards

Summary

Module 7 - Network Architecture Overview

SSID

Beacons

Authentication & Association

802.1x and EAP

VPN

Service Sets

Roaming

VLANs

Power Mgmt.

LAB - Ad Hoc Mode

Module 8 - MAC and Physical Layer Overview

WLAN and Ethernet Frames

Control

Collisions

Fragmentation

DRS / NAV

DCF / PCF

IFS / SIFS / PIFS

DIFS / Slot Times

RTS/CTS

Modulation

Module 9 - Security Overview

WEP

Actual Threats

Encryption Suites

TKIP vs. CKIP

WPA

MIC (Michael)

Keys and Key Management

Authentication Methods

802.11i - WPA/2

WLAN Security Hierarchy

War-Driving

War-Chalking

Inherent Problems with Wireless Networks

New Security Enhancements

Security Policy

Cell Sizing

SSID / Wireless DMZ

LAB - Net Stumbler

LAB - Hot Spot Def Kit

EAP-FAST

RADIUS / TACACS+

AAA / ACS

Summary

Module 10 - Troubleshooting Overview

Multipath

Hidden Node

Near/Far

Throughput

Interference Issues

Weather Issues

Co-Channel Interference

Range

Summary

Module 11 - Site Survey Overview

Site Survey Fundamentals

Existing Network Information

External Considerations

Business Requirements

Bandwidth & Roaming

Security / Preparation

Site Survey Equipment

Documentation / Signal Loss

Summary

Module 12 - Management Overview

Wireless LAN Solution Engine

Cisco SWAN

Roaming

WLSE Options

Summary

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