1. Wireless networking Unit objective: Identify wireless networking standards, and install a SOHO network

2. Topic A Topic A: Wireless networking standards Topic B: Wireless SOHO networking

3. Major wireless standards StandardSpeedsFrequencyIndoor distance Outdoor distance Interference 802.11b<= 11 Mbps 2.4 GHz50 m300 mYes 802.11a<= 54 Mbps 5 GHz15 m30 mNo; Not compatible with 802.11b 802.11g20+ Mbps Ad. to 54 Mbps 2.4 GHz45 m90 mYes; Compatible with 802.11b 802.11n<= 600 Mbps 2.4 or 5 GHz 70 m250 mNo; Compatible with 802.11g, b, & a

4. Bluetooth A standard for short-range wireless communication and data synchronization between devices Transmitters and receivers are application-specific integrated circuits (ASICs) Rates in excess of 1 Mbps Up to three voice channels available 2.4-GHz frequency range 10 meters range

5. Transmission encryption WEP WPA WPA2

6. Topic B Topic A: Wireless networking standards Topic B: Wireless SOHO networking

7. Purposes of a plan Verify that all business requirements will be met Verify that all technical requirements will be met Create a roadmap for network implementation Document the network design for future use

8. Creating a plan 1.Determine business requirements 2.Review the current infrastructure 3.Review new and existing technologies 4.Determine the appropriate infrastructure requirements 5.Document the design 6.Review the documentation with the appropriate personnel

9. Ongoing planning Plans evolve New technologies emerge

10. Implementing a plan 1.Purchase equipment 2.Install network media 3.Connect your networking devices 4.Connect your computers

11. Wireless LAN components Wireless NICs Wireless access points

12. Firewalls Controls traffic Blocks or permits traffic based on rules

13. NAT Correlates internal and external addresses Protects internal devices Reasons for NAT –Availability of addresses –Security

14. Port address translation NAT services using port numbers Port triggering

15. Security zones Intranet Perimeter DMZs

16. Configuration options Encryption Firmware updates Change default administrator accounts Change default SSID Disable SSID Disable DHCP MAC filtering WPS QoS

17. Configuring wireless clients Windows Zero Configuration Options 802.1X

18. Unit summary Identified wireless networking standards, and installed a SOHO network