Wireless Networks dor Dummies phần 3 docx
Wireless Networks dor Dummies phần 3 docx
... place.
Figure 5-6:
Enabling
wireless
access and
setting the
SSID and
channel.
93
Chapter 5: Moving On to a Wireless LAN: Your Wireless Access Point
09_575252 ch05.qxd 9/2/04 3: 57 PM Page 93
Also worthwhile ... Infrared devices and then click Next.
63
Chapter 4: Getting a Quick Start with Wireless Personal Area Networks
08_575252 ch04.qxd 9/2/04 3: 56 PM Page 63
find non-dis...
Advanced wireless networks 4g technologies phần 3 docx
... where
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Figure 7.4 Illustration of a walk.
JWBK0 83- 05 JWBK0 83- Glisic February 23, 2006 3: 39 Char ... the
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GRAPHS AND ROUTING PROTOCOLS 201
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Wireless Networks dor Dummies phần 1 ppsx
... .34 7
802.1x 34 7
802.11 34 8
802.11a 34 8
802.11b 34 8
802.11c 34 9
802.11d 34 9
802.11e 34 9
802.11f 34 9
802.11g 35 0
802.11h 35 0
802.11i 35 0
802.11j 35 0
802.11k 35 1
802.11n 35 1
802.15 35 1
802.16 35 2
xix
Table ... . . . .35 3
Radio Frequency 35 3
Behavior of Radio Waves 36 0
Gain 36 0
Loss 36 0
Reflection 36 1
Refraction 36 1
Diffraction 36 1
Scattering 36 1...
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_575252 ch 03. qxd 9/2/04 3: 54 PM Page 55
At ... network consists of in the wireless
Figure 3- 2:
Example of
BSS, DSS,
and ESS
interaction.
51
Chapter 3: Matching Wireless Technologies to Your Plan
06_575252 ch 03. qxd 9/2/04 3: 5...
Wireless Networks dor Dummies phần 4 ppsx
... Control and Provisioning
of Wireless Access Points (capwap) working group.
132
Part II: Implementing Your Wireless Network
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Outlook Mobile Access provides ... difficult and expensive to connect between vendors’ wireless
networks. This is less because of technical reasons than pure marketing and
cost-sharing issues. Vendors such as T-Mobil...
Wireless Networks dor Dummies phần 5 ppsx
... to maximize ROSI:
1 83
Chapter 10: Designing a Secure Network
15_575252 ch10.qxd 9/2/04 4: 03 PM Page 1 83
Chapter 9
Considering a Deadbolt:
Understanding the Risks of
Wireless Networks
In This Chapter
ᮣ ... their wireless
networks. That’s a troubling statement, especially given that wireless net-
working and mobile computing are two of the fastest growing technologies
since the I...
Wireless Networks dor Dummies phần 6 potx
... following four WEP 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 ... to
implement wireless VLANs. There are many vendor products, including Cisco’s
Aironet 1200 and Symbol’s WS 5000 Wireless Switch.
To implement this functionality, you need both the spe...
Wireless Networks dor Dummies phần 7 potx
... or other items that
can impact a signal.
233
Chapter 13: Problems with Keeping on the Air
19_575252 ch 13. qxd 9/2/04 4:07 PM Page 233
Chapter 14
Bridging Networks to
Manage Coverage
In This Chapter
ᮣ ... repeater mode. Figure 14 -3
shows a bridge in repeater mode.
Wireless Workgroup Bridge
A device that is similar to a wireless bridge, and often confused with it, is the
wireless...
Wireless Networks dor Dummies phần 8 pps
... wireless networks, only to find out they did. This chapter is
for those who acknowledge that they have wireless networks installed (and
for those who don’t).
Discovering the Extent of
Your Wireless ... (host- or target-based IDS) and networks (network-based IDS). More
recently, vendors have developed a wireless intrusion detection system (WIDS)
for wireless networks. A WIDS c...
Wireless Networks dor Dummies phần 10 pot
... point), 53
DSSS, 49, 238 , 35 5
802.11, 36 0
802.11a, 53, 34 8, 35 5, 35 9, 36 0
802.11b, 53, 34 8, 35 5, 35 9, 36 0
802.11g, 53, 35 5, 35 6, 35 9, 36 0
introduced, 53
modulation, 68, 35 5 35 6
OFDM, 30 , 49, 238 , 34 4
phase ... frequency)
antenna, 35 3, 36 0, 36 5, 36 6, 36 7 36 8
attenuation, 35 6 35 7, 35 8
blockage, 33
channel capacity, 35 7 35 9
coverage, su...
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