extend wireless network range with airport express
Wireless network security
Ngày tải lên :
22/01/2013, 23:02
... cả các thiết bị wireless mới được chứng
nhận bởi Wi-Fi Alliance
Wireless VLANs
Personal Wireless Security
Bảo mật wireless điển hình được chia thành 2 loại:
Personal wireless security: ...
một thành phần của mạng
wireless.
WPA Enterprise Security
TKIP Encryption
Personal Wireless Security
Lịch sử của WIFI
Sau thời gian ngắn phát hành 2 chuẩn mạng wireless 802.11b và 802.11a, ... về việc làm thế nào để công nghệ wireless mới này được chấp nhận
trên thị trường Một nhómcác nhà sản xuất thiết bị và phần mềm wireless
được thành lập tên là Wireless Ethernet Compatibility...
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Simulation of Wireless Network Systems
Ngày tải lên :
29/09/2013, 21:20
... quality of the voice/
Wireless Networks362
Figure 13.9 DCF state machine [18]
13
Simulation of Wireless Network
Systems
This chapter deals with simulation of wireless network systems. We introduce ... machine.
We have simulated a data combined with voice network and data combined with video
network operating in a WLAN environment. The network has 20 wireless stations transfer-
ring data and ... broadcast network where many nodes are within radio range of each other.
In WLANs, all nodes within the radio broadcasting range of a particular node can hear any
messages sent by that node. If a networking...
- 40
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Pattern Matching with egular Expressions R
Ngày tải lên :
05/10/2013, 13:20
... characte
w
subexpression within the regular expression. For example, \1 refers back to the first
subexpression and \3 refers to the third. Note that, because subexpressions can be nested
within others, ... so in this regular expression,
\2 refers to the text matched by (fun\w*).
expression is a powerful feature of regular
s within
( and ), begin the group with (?: and end it with ). Consider
g ...
regular expression, for example, the nested subexpression ([Ss]cript) is referred to as
\2:
/([Jj]ava([Ss]cript)?)\sis\s(fun\w*)/
A reference to a previous subexpression of a regular expression...
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- 0
Designing A Wireless Network
Ngày tải lên :
16/10/2013, 13:15
... Computers and Networks 9
Inventing Cell Phones 11
Exploring Present Applications for Wireless 12
Applying Wireless Technology to
Vertical Markets 13
Using Wireless in Delivery Services 14
Using Wireless ... 14
Using Wireless in the Financial World 15
Using Wireless in the Retail World 15
Using Wireless in Monitoring
Applications 16
Applying Wireless Technology to Horizontal
Applications 16
Using Wireless ... Messaging 17
Using Wireless for Mapping 17
Using Wireless for Web Surfing 17
Exploring This Book on Wireless 18
Apply Wireless
Technologies to
Horizontal
Applications
Along with the many
vertical...
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Tài liệu Network Programming with Perl pdf
Ngày tải lên :
21/12/2013, 04:19
... Server
Creates a generic socket with socket
Binds to a known address with bind
Tell system to watch for incoming connections with
listen
Waits for a connection with accept or select
☞
Ä
Ä
Ä
Ä
... the
buffer is full.
☞
Ä
Ä
Slide 25
Using UDP
With UDP, it is not normally required that the client
connect to the server.
Sending data is performed with send instead of
syswrite.
send, unlike ... (cont.)
Slide 42
Threaded server
All client connections are handled within one process.
Each client has its own thread within the server
process.
use Thread::Pool;
use Symbol qw(gensym);
...
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Tài liệu MCSE Study Guide - Designing a Network Infrastructure with Windows 2000 Exam 70-221 ppt
Ngày tải lên :
21/12/2013, 04:19
... hardware
protocols are designed to work with specific kinds of physical networks. The three most
commonly used network topologies are:
1. Backbone-based networks. Backbone-based networks consist of multiple ... but also deals with fault tolerance of the network
design. Issues include the loss of a critical network component, such as a backbone switch. What
will the business impact be of network failure ... finally compared with the specific requirements of the
organization.
DESIGNING A WINDOWS 2000 NETWORK INFRASTRUCTURE
A network infrastructure is the collection of technical network components...
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Tài liệu Hack Proofing Your Wireless Network pdf
Ngày tải lên :
21/12/2013, 06:16
... Limited
to Desk
Range of Access:
Wireless LANs: Up to 100 Meters
3G Wireless: Several Miles
Figure 1.7
Roaming Between Access Points
Wireless
Device
Wireless
Access Point #2
Wireless
Access Point ... Reaffiliation with New
Wireless Access Point
182_HPwireless_01.qxd 2/6/02 1:53 PM Page 19
The Wireless Challenge ã Chapter 1 21
network, the technician can move from one call ticket to another without ... project itself.
With wireless networking, all that is required to create a new network is radio
wave access between end nodes and/or between an end node and a wireless AP
hub within the vicinity...
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Tài liệu Enforcing Business Rules with Column Expressions docx
Ngày tải lên :
21/01/2014, 11:20
... Enforcing Business Rules with Column Expressions
Problem
You need to enforce a business rule based on multiple columns in a table at the user
interface tier.
Solution
Use expression-based columns ... or inserted and whether the value of the
expression column is false indicating that the data is invalid according to the
business rule defined by the expression in the column. If the business ... database.
The C# code is shown in Example 6-25
.
Example 6-25. File: EnforceBusinessRulesWithColumnExpressionsForm.cs
// Namespaces, variables, and constants
using System;
using System.Configuration;...
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Tài liệu Professional Services Assessment Tool for Wireless Network Operators doc
Ngày tải lên :
24/01/2014, 11:20
... network operators delivering voice,
video and data services over wireless, wireline
and cable networks. Learn more at
www.adc.com/professionalservices
10/05 ã 101535AE
Assessment Tool for Wireless ... week?
Wireless Expertise
Does the professional services provider have demonstrated experience in wireless
networks?
Does the professional services provider understand the business drivers in the
wireless ... intra-office network elements?
Validate network readiness?
Provide documentation?
Network Inventory and Audit
Does the professional services provider provide network inventory and audit services?
Can...
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Tài liệu Wireless Network Security and Interworking pptx
Ngày tải lên :
14/02/2014, 16:20
... 5
a network manager can use either an open or a closed network.
In an open network, anyone is permitted to join the network.
In a closed network, only those clients with knowledge of
the network ... following:
a) MN visits new network
b) New network obtains the address of old network
c) New network requests context transfer to old network
d) Old network transfers context of MN to new network
e) After ... server (nAS). With context transfer, the
communication delay between visiting network and home
network is replaced by a relatively smaller internetwork
communication delay between adjacent networks....
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Tài liệu Comparison of lung cancer cell lines representing four histopathological subtypes with gene expression profiling using quantitative real-time PCR pptx
Ngày tải lên :
15/02/2014, 04:20
... negatively
correlated with the expression of PLAU, SLCO4A1,and
TGM2, and positively correlated with IGSF3 , STMN1,
FOXG1, and RAB25. PC2 was negatively correlated with
the expression of STMN1, ... AMY2A,andISL1,andposi-
tively correlated with S100P, RAB25,andCDH1.PC3
was negatively correlated with the expression of RAB25
and AMY2A, and positiv ely correlated with TGM2,
MALL, and IGSF3.
Gene networks and gene ... corre-
lated with the expression of PLAU, SLCO4A1,and
TGM2, and positively correlated with IGSF3 , STMN1,
FOXG1, and RAB25. The loading number of component
2 (PC2) was negatively correlated with the expression...
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Tài liệu cwnaTMCertified Wireless Network AdministratorOfficial Study GuideEndorsed by the Wireless LAN AssociationIndustry Approved!TMExam PW0-100Objective-by-Objective coverage of the CWNA certification examVendor-neutral wireless network trainin pptx
Ngày tải lên :
17/02/2014, 15:20
... Spectrum Technology 47
Uses of Spread Spectrum 48
Wireless Local Area Networks 48
Wireless Personal Area Networks 49
Wireless Metropolitan Area Networks 49
FCC Specifications 49
Frequency Hopping ... popular networking certification programs leave off:
wireless LANs.
Your study of wireless networking will help you bring together two fascinating worlds of
technology, because wireless networks ... facilities benefit greatly from wireless LANs. Some
valuable uses of wireless LANs within these facilities include doctors using wireless
PDAs to connect to the networks and mobile diagnostic...
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Tài liệu Predicting Internet Network Distance with Coordinates-Based Approaches pptx
Ngày tải lên :
18/02/2014, 01:20
... net-
works [3][4], and overlay network multicast [1][2] which can
greatly benefit from network distance information.
Specifically, we propose coordinates-based approaches for
network distance prediction ... two nearest clusters, starting with 19 probe clus-
ters, until we are left with
clusters.
In addition, to observe how each prediction mechanism re-
acts to a wide range of unintelligent i-node ... perform significantly better than IDMaps,
with GNP achieving the highest overall accuracy in all cases.
With 15 Landmarks, GNP can predict 90% of all paths with rel-
ative error of 0.5 or less. We...
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Tài liệu Wireless Sniffing with Wireshark pptx
Ngày tải lên :
22/02/2014, 21:20
... Snifng with Wireshark ã Chapter 6 6:5
ethereal_ch06.qxd 11/8/06 5:07 PM Page 5
www.syngress.com
Wireless Snifng with Wireshark ã Chapter 6 6:35
Representing Wireless Frame Types
When assessing a wireless ... manipulating the wireless
card. First, let’s identify the wireless driver interface name by running the wireless
card configuration utility iwconfig with no parameters:
$ iwconfig
eth0 no wireless extensions.
lo ... take a broader look at your wireless
network and assess traffic for all of the APs in your capture file. Indeed, many of the
problems in wireless networking have to do with roaming between APs, which
forces...
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