Difference between revisions of "CCNA Explorer 3 Basic Wireless Concepts and Configuration"

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===Planning the Wireless LAN===
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==WIreles LAN Security==
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===Threats to Wireless Security===
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|[[Image:ScreenShot245.jpg|800px|left|thumb|Unauthorized Access]]
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|[[Image:ScreenShot247.jpg|800px|left|thumb|Denial of Service 1]]
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|[[Image:ScreenShot248.jpg|800px|left|thumb|Denial of Service 2]]
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===Wireless Security Protocols===
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|7.2.2

Revision as of 16:58, 25 August 2010

Basic Wireless Concepts and Configuration

The Wireless LAN

Why Use Wireless?

Wireless Techonologies
Wireless LANs
WLAN vs. LAN
WLAN Devices
Clients

Wireless LAN Standards

WLAN Graph
WLAN Table
Wi-Fi Certifications
  • ITU-R regulates allocation of RF bands.
  • IEEE specifies how RF is modulated to carry information.
  • Wi-Fi ensures that vendors make devices that are interoperable.

Wireless Infratructure Components

Wireless NICs
Wireless Access Points
Hidden Nodes

CSMA/CA - Carrier Sense Multiple Access with Collision Avoidance
(RTS/CTS) - CSMA/CA feature called request to send/clear to send

Wireless Routers

Wireless Operation

Configure Wireless AP
Wireless modes
SSID
Channels
Ad Hoc Networks
Basic Service Set
Extended Service Set
Wireless Beacon
Wireless Probe
Wireless Authentication
Wireless Association

Planning the Wireless LAN

Map
Coverage Area
Align Coverage Areas
Plan

WIreles LAN Security

Threats to Wireless Security

Unauthorized Access
MITM
Denial of Service 1
Denial of Service 2

Wireless Security Protocols

Wireless Security Protocols
7.2.2
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