Wireless Networks dor Dummies phần 4 ppsx

... Configure security options. 4. Configure Outlook Web Access compression. 142 Part II: Implementing Your Wireless Network 12_575252 ch08.qxd 9/2/ 04 4:01 PM Page 142 Peripheral Component Interconnect ... vehicle using your wireless network card and your friend driving close behind or beside you. 1 34 Part II: Implementing Your Wireless Network 12_575252 ch08.qxd 9/2/ 04 4:01 PM...

Ngày tải lên: 14/08/2014, 14:20

... connectivity but also wireless hot spot roaming, extending your ability to remain connected. 144 Part II: Implementing Your Wireless Network 12_575252 ch08.qxd 9/2/ 04 4:01 PM Page 144 You can set up ... key. 64- bit WEP is the same as 40 -bit WEP! The lowest level of WEP uses a 40 -bit user key with the 24- bit IV. It’s just that some vendors refer to this level of WEP as 40 -bit...

Ngày tải lên: 14/08/2014, 14:20

... 1012 141 618 0 1 2 3 4 a - Drop Tail 8 1012 141 8 0 1 2 3 4 b - Random Drop 01 a - Drop tail 8 1012 141 61 0 1 2 3 4 b - Random drop Node 5 throughput (%) Node 5 throughput (%) Buffer sizeBuffer size 46 81012 0 1 2 3 4 c ... cellular wireless networks, Wireless Networks, vol. 1, no. 4, 1995. [17] H. Balakrishnan, V.N. Padmanabhan, S. Seshan and R. Katz, A comparison of mech- a...

Ngày tải lên: 14/08/2014, 09:21

... connected to Wired LAN Figure 3-1: Examples of wireless networks. 48 Part I: Planning and Acquiring Your Network 06_575252 ch03.qxd 9/2/ 04 3: 54 PM Page 48 ߜ What technology do I want to use? Or, ... loss: – 84. 34 dB. ߜ Receiver antenna gain: +6 dBi. ߜ Receiver-side coaxial cable and connector loss: –0.90 dB. 43 Chapter 2: If You Fail to Plan, You Plan to Fail 05_575252 ch02.qx...

Ngày tải lên: 14/08/2014, 14:20

... model number SMC2804WBR. All wireless routers and access points have similar steps. 84 Part II: Implementing Your Wireless Network 09_575252 ch05.qxd 9/2/ 04 3:57 PM Page 84 To establish an infrared ... security features. Figure 4- 6: BlueGear Advanced Settings dialog box. 73 Chapter 4: Getting a Quick Start with Wireless Personal Area Networks 08_575252 ch 04. qxd 9/2/ 04 3:5...

Ngày tải lên: 14/08/2014, 14:20

... sequences as default keys: 10 11 12 13 14 21 22 23 24 25 31 32 33 34 35 41 42 43 44 45 It is not surprising that a vendor has such simple default keys. What is sur- prising is that the first key ... ch11.qxd 9/2/ 04 4: 04 PM Page 192 The IV is a part of the RC4 encryption key. The fact that an eavesdropper knows 24 bits of every packet key, combined with a weakness in the RC4 ke...

Ngày tải lên: 14/08/2014, 14:20

... Troubleshooting 20_575252 ch 14. qxd 9/2/ 04 4:08 PM Page 2 54 Chantry Networks (www.chantrynetworks.com), Cisco Systems (www.cisco. com ), Extreme Networks (www.extremenetworks.com), Gateway Inc. ... Troubleshooting 20_575252 ch 14. 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 bridge usin...

Ngày tải lên: 14/08/2014, 14:20

... to detect wireless networks. It’s 11 p.m. — do you know where your access points are? 306 Part V: The Part of Tens 24_ 575252 ch17.qxd 9/2/ 04 4:11 PM Page 306 (the figure is showing 4. 6 percent). ... tab. 3. Enable Channels 1– 14. 2 94 Part IV: Keeping Your Network on the Air — Administration & Troubleshooting 22_575252 ch16.qxd 9/2/ 04 4:10 PM Page 2 94 Detecting Wireless...

Ngày tải lên: 14/08/2014, 14:20