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Anatomy of a Wireless LAN – Part I

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Presentation on theme: "Anatomy of a Wireless LAN – Part I"— Presentation transcript:

1 Anatomy of a Wireless LAN – Part I
Chris De Herrera Webmaster, CEWindows.NET Microsoft MVP – Mobile Devices 9/21/2018

2 Overview Ability to connect to a LAN or between multiple devices with b Glossary of the terms used in b. Hardware Requirements Ad Hoc vs Infrastructure Hands-on Demo 9/21/2018

3 Glossary 802.11, Wireless Ethernet - A wireless local area network protocol which allows high speed access to network resources.  It operates at 11, 5.5, 2 and 1 megabits per second depending on distance.  It uses the 2.4 ghz spectrum using direct sequence spectrum (DSS)..  WECA is the industry consortium which works with vendors on interoperability.  ESSID – Extended Service Set Identifier - Specifies which b network you are joining.  Some systems allow you to specify ANY SSID as an option so you can join any network. WEP - Wired Equivalent Privacy - the standard for encrypting data over an b wireless network. This 40 or 128 bit encryption has been shown to be insecure.  So the current recommendation is to use a VPN to secure corporate data. Additional terms are defined at 9/21/2018

4 Hardware Hardware Requirements
PC Card or CompactFlash Card supported by the Pocket PC – see Access Point Local Area Network 9/21/2018

5 Ad Hoc vs. Infrastructure
Ad Hoc is the term used to explain when a user is connecting to another b device directly without an access point. The user must decide what IP address and subnet to communicate. Infrastructure is the term used to explain when a user is connecting to the wireless LAN using an Access Point. The Access Point or another network device can provide services like DHCP and NAT. 9/21/2018

6 Demonstration Basic configuration of a Symbol Spectrum Access Point (The latest version, 4131 is being used here at the Pocket PC Summit to provide internet access. Basic configuration of a Pocket PC 2002 using a Socket Wireless LAN card. 9/21/2018

7 Anatomy of a LAN – Part I Question and Answers
Chris De Herrera Webmaster, CEWindows.NET Microsoft MVP – Mobile Devices 9/21/2018

8 Anatomy of a Wireless LAN – Part I
Chris De Herrera Webmaster, CEWindows.NET Microsoft MVP – Mobile Devices 9/21/2018


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