Installing, Troubleshooting, and Repairing Wireless Networks phần 5 docx

... documentation and links to several wireless resources. New York City Wireless: http://www.nycwireless.net San Francisco Wireless: http://www.sfwireless.net Seattle Wireless: http://www.seattlewireless.net FreeNetworks.org: ... theft. Wireless Network Security 153 Generic References The following sites provide a wealth of information and references for wireless networking in gen...

Ngày tải lên: 10/08/2014, 12:21

... other, and the third is 3 75 MHz up from the top of the second band. The low band runs from 5. 15 GHz to 5. 25 GHz, the middle band runs from 5. 25 GHz to 5. 35 GHz, and the high band runs from 5. 7 25 GHz ... civilian and state and local government Wireless Essentials 7 Installing, Troubleshooting, and Repairing Wireless Networks Chapter 14 Neighborhood and...

Ngày tải lên: 10/08/2014, 12:21

... Wired and Wireless Networks for 50 Systems Chapter 2 30 Equipment Wired Wired Wireless Wireless and Labor Network Cost Totals Network Cost Totals Network Card (50 ) $100 $5, 000 $100 $5, 000 Jacks and ... Cable $50 $2 ,50 0 0 0 Installation (50 ) Patch Panels (3) $400 $1,200 0 0 Patch Cables (100) $5 $50 0 0 0 Hub/Switch (2–3) $400 $1,200 0 0 Access Points (2) 0 0 $400 $800 Wor...

Ngày tải lên: 10/08/2014, 12:21

... about Chapter 5 80 Now that you have some idea of what wireless networking is about, including a briefing on rules and regulations, safety and interfer- ence, and how antennas and cables play in the wireless ... your business and its employees stay on-line. When your business expands beyond 50 to 100 users, and you have 3, 4, or 18 buildings to hook up to corporate network...

Ngày tải lên: 10/08/2014, 12:21

... available WEP keys 0, 1, 2, and 3, while most wireless devices number them 1, 2, 3, and 4 (equivalent to Windows’ 0, 1, 2, and 3, respectively). LinkSys wireless devices and Windows support entering ... location and coverage areas. Enhancing and expanding wireless signal coverage is the next topic. Hardware Installation and Setup 131 If you have not previously connected to...

Ngày tải lên: 10/08/2014, 12:21

... 3) ■ LPT1, 2, and/ or 3 (usually not using IRQ 5 or 7) ■ Hard drives (IRQ 14, 15) ■ Diskette drive (IRQ 6, DMA 2) ■ Sound card (IRQ 5 and/ or 7, and DMA 1, 3, or 5) ■ CD-ROM (w/ disk drives, sound, or ... point, or wandering client try to communicate with your network, you will get a pop-up dialog and a list of devices and their classification. Wireless Access and Security...

Ngày tải lên: 10/08/2014, 12:21

... addresses to 24.66.13 .5 and 24.66.12.6. ■ Configure the WLAN access point’s router LAN address to 10.10.10.1. ■ Configure the WLAN access point’s router LAN subnet mask to 255 . 255 . 255 .0. ■ Configure ... (quite dif- ferent from the WLAN equipment and users). ■ Configure the LAN router subnet mask to 255 . 255 . 255 .0. ■ Configure the LAN router to provide NAT and act as a DHCP s...

Ngày tải lên: 10/08/2014, 12:21

... 802.11g until the standard is approved. These throughput levels would be meaningless and a waste unless the wired network behind them is Upcoming Standards and Trends 2 75 Good Neighbor Policy and Local ... flow, and then remove the heat. I suggest practicing the tinning and sol- dering process with ordinary speaker cable and inexpensive lugs before moving to delicate RF connecto...

Ngày tải lên: 10/08/2014, 12:21

... GHz band. ■ 802.11h—A future standard for wireless spectrum management. ■ 802.11i—A standard for enhancing the security of wireless local area networks (WLANs). Preceded by an interim nonstandard ... available as part of the DOS command processor program, COMMAND.COM. DIR, COPY, DEL, TYPE, and CLS are examples of some internal DOS commands. See also internal command and your DOS ma...

Ngày tải lên: 10/08/2014, 12:21

... beam antennas), 28, 45 46, 50 56 , 137 flat panel, 55 , 56 gain in, 51 52 helical type, 54 55 parabolic dish, 55 , 55 Pringles potato chip can, 52 53 radiation patterns of, 51 , 51 , 52 reflection of ... from, to transmitters, 53 54 resonance in, 53 ring type, 54 standing wave ratio (VSWR) and, 54 distortion, 1 35 diversity, antennas and, 56 57 domain name server...

Ngày tải lên: 10/08/2014, 12:21