Installing, Troubleshooting, and Repairing Wireless Networks phần 1 ppsx
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...
Installing, Troubleshooting, and Repairing Wireless Networks phần 2 ppsx
... 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...
Installing, Troubleshooting, and Repairing Wireless Networks phần 3 ppsx
... 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...
Installing, Troubleshooting, and Repairing Wireless Networks phần 7 ppsx
... 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...
Installing, Troubleshooting, and Repairing Wireless Networks phần 9 ppsx
... 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...
Installing, Troubleshooting, and Repairing Wireless Networks phần 4 potx
... 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...
Installing, Troubleshooting, and Repairing Wireless Networks phần 5 docx
... 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...
Installing, Troubleshooting, and Repairing Wireless Networks phần 6 pot
... 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...
Installing, Troubleshooting, and Repairing Wireless Networks phần 8 potx
... 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...
Installing, Troubleshooting, and Repairing Wireless Networks phần 10 pptx
... 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...
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