Installing, Troubleshooting, and Repairing Wireless Networks phần 1 ppsx

... 11 1 Connecting and Configuring Your Client Adapters 11 2 Configuring Your Wireless Adapter 11 4 Windows XP 11 4 Windows 98, 98SE, and Me 12 0 First Connect Problems 12 3 Common Connection Problems 12 5 Summary 13 1 Chapter ... manages civilian and state and local government Wireless Essentials 7 Installing, Troubleshooting, and Repairing Wireless Networks Chap...

Ngày tải lên: 10/08/2014, 12:21

... Criteria and Expectations 31 used by 802 .11 b wireless devices—effectively 2400 MHz 1/ 4 wave- length ϭ 1. 17 inches, making for a very short antenna! A 1/ 4 wavelength antenna offers no signal gain and ... or 10 12 dB or more. Most base station antennas for wireless services—2.4 GHz 802 .11 b or 5.3–5.8 GHz 802 .11 a—are high signal gain devices. Their physical size is several...

Ngày tải lên: 10/08/2014, 12:21

... networked wirelessly using a wireless bridge device LinkSys PPS1UW for a USB printer, or LinkSys BEFW11P1, which includes a wireless access point, router for cable digital subscriber line (DSL), and ... your business and its employees stay on-line. When your business expands beyond 50 to 10 0 users, and you have 3, 4, or 18 buildings to hook up to corporate networks, servers, an...

Ngày tải lên: 10/08/2014, 12:21

... 10 .10 .10 .32 to 10 .10 .10 .82. 10 .10 .10 .99 will work, or pick an address lower than 32 if you like to group your network equipment together by address. The IP Mask value should Creating a SOHO Wireless ... into what I call the 10 -net range, if only because it is easier to type 10 .10 .10 .x than 19 2 .16 8.x.x when config- uring fixed addresses into workstations. Thus, 10 .10...

Ngày tải lên: 10/08/2014, 12:21

... access. ■ 802 .11 g—Provides 20+ Mbps in the 2.4 GHz band. ■ 802 .11 h—A future standard for wireless spectrum management. ■ 802 .11 i—A standard for enhancing the security of wireless local area networks ... or DSSS. ■ 802 .11 b—(Also known as Wi-Fi or wireless fidelity.) A subset of 802 .11 that provides 11 Mbps data rates with the ability to scale back to 5.5, 2, or 1 Mbps rates...

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 13 1 If you have not previously connect...

Ngày tải lên: 10/08/2014, 12:21

... Properties dialog for that network—Figure 11 .13 . Changes to the network con- figuration can be made from the Networks menu option—Figure 11 .14 . Chapter 11 18 8 being introduced regularly to implement, ... is on which channel, and perhaps with a directional antenna, find other WLANs. Chapter 10 16 8 Open Wireless Node Database: http://www.nodedb.org 80 211 HotSpots: http://80 2...

Ngày tải lên: 10/08/2014, 12:21

... Coprocessor 10 8 -12 Fh Not Assigned or Reserved 13 0 -13 Fh Not Assigned I/O Address System Use or Device 14 0 -14 Fh Not Assigned 15 0-1EFh Not Assigned or Reserved 17 0 -17 7h Secondary PC/AT+ Hard Disk Adapter 1F0-1F7h ... COM 1 1st Serial I/O Port I/O Address System Use or Device 13 0 -14 F SCSI Host Adapter 14 0 -15 F SCSI Host Adapter (as may be found on a sound card) (continue...

Ngày tải lên: 10/08/2014, 12:21

... if we can and will stay with- in the laws that govern what we do now. Going Beyond Current Wireless Networking Standards IEEE 802 .11 b and then 802 .11 a differed in both RF spectrum and modulation ... (WEP) encryption and support for other security or privacy methods. Pend- ing IEEE standard 802 .11 g brings some of 11 a’s technology to 2.4 GHz devices for higher throughput. Pend...

Ngày tải lên: 10/08/2014, 12:21

... adapters, 73, 10 7 11 3, 205–207, 218 , 220, 237–238, 255 UNIX/Linux platforms and, 16 7 16 9 Windows 98/98SE/Me and, 12 0 12 3, 12 1, 12 2, 12 3 Windows XP configuration for, 11 4 12 0, 11 5, 11 6, 11 8, 11 9 wireless ... and, 10 7, 11 0, 11 1, 11 7, 12 6 12 7, 14 5, 238, 240–2 41 alternatives to, 16 0 16 1 ASCC vs. Hex key configuration in, 11 0, 12 6 12 7 connect...

Ngày tải lên: 10/08/2014, 12:21