Wireless Networks dor Dummies phần 5 ppsx

Wireless Networks dor Dummies phần 5 ppsx

Wireless Networks dor Dummies phần 5 ppsx

... access contact Figure 9-2: War chalking symbols. 155 Chapter 9: Considering a Deadbolt: Understanding the Risks of Wireless 14 _57 5 252 ch09.qxd 9/2/04 4:03 PM Page 155 ߜ What percentage of critical data is ... more productive. 1 45 Chapter 8: Using Wireless on the Road to Connect to the Office 12 _57 5 252 ch08.qxd 9/2/04 4:01 PM Page 1 45 War chalking It’s bad enough to know that...

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Wireless Networks dor Dummies phần 1 ppsx

Wireless Networks dor Dummies phần 1 ppsx

... 349 802.11g 350 802.11h 350 802.11i 350 802.11j 350 802.11k 351 802.11n 351 802. 15 351 802.16 352 xix Table of Contents 01 _57 5 252 ftoc.qxd 9/2/04 3 :50 PM Page xix Many of you already indulge in the Wireless ... IBSS, BSS, and ESS 50 Selecting the Wireless Mode 51 Considering ad hoc mode 51 Using infrastructure mode 52 Wireless Networks For Dummies xii 01 _57 5...

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Wireless Networks dor Dummies phần 4 ppsx

Wireless Networks dor Dummies phần 4 ppsx

... ovens use only about 50 0 mW. Makes you think! 1 05 Chapter 6: Connecting Your Clients 10 _57 5 252 ch06.qxd 9/2/04 3 :58 PM Page 1 05 Wireless roaming standards When you implement a wireless network, ... Windows XP. 1 15 Chapter 6: Connecting Your Clients 10 _57 5 252 ch06.qxd 9/2/04 3 :58 PM Page 1 15 wireless connection allows for remote locations to achieve connectivity. This i...

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Wireless Networks dor Dummies phần 2 pot

Wireless Networks dor Dummies phần 2 pot

... http://seattlewireless.net/index. cgi/DirectionalYagi . Figure 3-3: Examples of antennae. 55 Chapter 3: Matching Wireless Technologies to Your Plan 06 _57 5 252 ch03.qxd 9/2/04 3 :54 PM Page 55 At the ... investment. 05_ 5 752 52 ch02.qxd 9/2/04 3 :54 PM Page 35 Chapter 3 Matching Wireless Technologies to Your Plan In This Chapter ᮣ Choosing the right hardware ᮣ Finding out how to...

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Wireless Networks dor Dummies phần 3 docx

Wireless Networks dor Dummies phần 3 docx

... Figure 5- 1. 192.168.2 .5 255 . 255 . 255 .0 Wireless access point 192.168.2.1 255 . 255 . 255 .0 WAN 1234 Figure 5- 1: Connecting your PC to the access point. 85 Chapter 5: Moving On to a Wireless LAN: Your Wireless ... address again in Step 5. Figure 5- 2 shows an example of a successful ping command. 87 Chapter 5: Moving On to a Wireless LAN: Your Wireless Access Point 0...

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Wireless Networks dor Dummies phần 6 potx

Wireless Networks dor Dummies phần 6 potx

... 12-2: Tunneling traffic across a public network. 2 15 Chapter 12: Secure Wireless Access with Virtual Private Networking 17 _57 5 252 ch12.qxd 9/2/04 4:06 PM Page 2 15 Next is the Extranet VPN that allows one ... access point (see Chapter 5) . Figure 12-4: Supplying the IP address of your VPN server. 221 Chapter 12: Secure Wireless Access with Virtual Private Networking 17 _57 5 252 ch...

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Wireless Networks dor Dummies phần 7 potx

Wireless Networks dor Dummies phần 7 potx

... sunlight. 259 Chapter 14: Bridging Networks to Manage Coverage 20 _57 5 252 ch14.qxd 9/2/04 4:08 PM Page 259 248 Part IV: Keeping Your Network on the Air — Administration & Troubleshooting 19 _57 5 252 ... Troubleshooting 20 _57 5 252 ch14.qxd 9/2/04 4:08 PM Page 256 5. Click the Wireless Networks tab. Configure your wireless connection to match the access point you will bri...

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Wireless Networks dor Dummies phần 8 pps

Wireless Networks dor Dummies phần 8 pps

... Your Access Points Are? 22 _57 5 252 ch16.qxd 9/2/04 4:10 PM Page 297 282 Part IV: Keeping Your Network on the Air — Administration & Troubleshooting 21 _57 5 252 ch 15. qxd 9/2/04 4:09 PM Page 282 A ... sites being visited or file transfers. Figure 15- 5: CommView showing packet details. 273 Chapter 15: Dealing with Network Throughput Issues 21 _57 5 252 ch 15. qxd 9/2/04 4:09 PM Page 2...

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Wireless Networks dor Dummies phần 10 pot

Wireless Networks dor Dummies phần 10 pot

... 5. 240 U-NII Middle Band (5. 25 5. 35 GHz) 52 5. 260 56 5. 280 60 5. 300 64 5. 320 U-NII Upper Band (5. 7 25 5. 8 25 GHz) 149 5. 7 45 153 5. 7 65 157 5. 7 85 161 5. 8 05 An access point can support all standards because ... C -5 802.11a Usable Channels Frequency Band Channel Number Center Frequencies (GHz) U-NII Lower Band (5. 15 5. 25 GHz) 36 5. 180 40 5. 200 44 5. 220...

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