Module 12 wireless
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This document provides an overview of wireless networking and three lessons on related topics: 1. Networking Without Wires discusses wireless network basics, technologies like 802.11a/b/g, and security options like WEP and WPA. 2. Connecting to a Wireless Network covers configuring wireless hardware and clients, improving signal strength, and troubleshooting connections. 3. Working with Offline Files explains how offline files allow access to shared files without a network and demonstrates configuration options.
Module 12 wireless
- 2. Overview Networking Without Wires Connecting to a Wireless Network Working with Offline Files
- 3. Lesson 1: Networking Without Wires What Is a Wireless Network? Wireless Network Technologies Wireless Network Security Options
- 4. What Is a Wireless Network? A wireless network: Wireless networks can work in 2 modes: Uses radio waves instead of wiresUses radio waves instead of wires Enables users to roamEnables users to roam Adds additional security headachesAdds additional security headaches Ad hocAd hoc InfrastructureInfrastructure
- 5. Wireless Network Technologies Standard Speeds up to Pros Cons 802.11a 54 Mbps Fast Speed Many simultaneous users Uses 5 GHz frequency Short-range signals Not compatible with 802.11b 802.11b 11 Mbps Cheap Good signal range Slower speeds Fewer simultaneous users Uses 2.4 GHz frequency Interference 802.11g 54 Mbps More simultaneous users Best signal range Compatible with 802.11b Uses 2.4 GHz frequency Interference More expensive than 802.11b
- 6. Wireless Network Security Options Option Features Wired Equivalent Privacy (WEP) Open system or shared key authentication RC4 encryption Wi-Fi Protected Access (WPA or WPA-2) User and computer authentication RC4 with IV Encryption 802.1x Authentication Physical port authentication
- 7. Lesson 2: Connecting to a Wireless Network Hardware for Connecting to a Wireless Network Wireless Signal Strength Demonstration: Connecting to a Wireless Network Process for Troubleshooting a Wireless Network Connection
- 8. Hardware for Connecting to a Wireless Network Connect and configure a WAPConnect and configure a WAP Configure a client computer to connect to the wireless network Configure a client computer to connect to the wireless network
- 9. Wireless Signal Strength To improve signal strength, move the computer:To improve signal strength, move the computer: Closer to the WAPCloser to the WAP Away from devices that might cause interferenceAway from devices that might cause interference
- 10. Demonstration: Connecting to a Wireless Network Your instructor will demonstrate how to: Connect to a Wireless Network Connect to an Unlisted Wireless Network
- 11. Process for Troubleshooting a Wireless Network Connection To run the Windows Network Diagnostics:To run the Windows Network Diagnostics: Resolve the problemResolve the problem55 Identify the problemIdentify the problem44 Review the informationReview the information33 Diagnose the connectionDiagnose the connection22 Attempt to connect to a networkAttempt to connect to a network11
- 12. Lesson 3: Working with Offline Files What Are Offline Files? Options for Configuring Offline Files Options for Making a Network File Available Offline Demonstration: Accessing Offline Files by Using Windows 7
- 13. What Are Offline Files? With Offline Files, you can take your computer off the network and still have access to shared files With Offline Files, you can take your computer off the network and still have access to shared files
- 14. Options for Configuring Offline Files With Offline Files, you can choose how your offline files are configured With Offline Files, you can choose how your offline files are configured
- 15. Options for Making a Network File Available Offline With Offline Settings, you can choose how your computer makes files available to computers with Offline Files configured With Offline Settings, you can choose how your computer makes files available to computers with Offline Files configured
- 16. Demonstration: Accessing Offline Files by Using Windows 7 Your instructor will demonstrate how to: Setup an offline share Access offline files Edit offline files Sync offline files
- 17. Lab: Networking Mobile Computers Exercise 1: Configuring a Wireless Network Exercise 2: Troubleshooting a Wireless Network Exercise 3: Using Offline Files