is using a wireless network without the owners permission wrong
Designing A Wireless Network
Ngày tải lên :
16/10/2013, 13:15
... flight plans the flight is delayed.
Your teenagers, unflappable as always, make the best of the situation, flop-
ping in the nearest chair and pulling from the carry-on bag the Web pad
that they had been ... 2 :The Data-Link Layer 75
Layer 3 :The Network Layer 77
Layer 4 :The Transport Layer 78
Layer 5 :The Session Layer 78
Layer 6 :The Presentation Layer 79
Layer 7 :The Application Layer 80
OSI and DoD ... who accepts
the package.This information is transmitted wirelessly back to a central
location so that someone awaiting a delivery can log into the Web site
and get accurate information regarding...
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Báo cáo y học: " Is there a linear relationship between the Brief Psychiatric Rating Scale and the Clinical Global Impression-Schizophrenia scale? " doc
Ngày tải lên :
11/08/2014, 16:22
... checking the methodology of
the study and evaluating the results of the statistical analysis. In addition, all
authors read and approved the final version of the manuscript.
Competing interests
The authors ... schizophrenia patients using the BPRS and the CGI-SCH, then examined the scatter
plot distribution of the two scales and expressed it in a mathematical equation. Next, backward stepwise
regression was ... rela-
tionship. At this stage, we examined the distribution on
the scatter plot of the two scales and expressed the rela-
tionship in a precise mathematical equation. Next, back-
ward stepwise regression was...
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Báo cáo khoa học: " Is there a special mechanism behind the changes in somatic cell and polymorphonuclear leukocyte counts, and composition of milk after a single prolonged milking interval in cows" pptx
Ngày tải lên :
12/08/2014, 18:22
... compared
in pair wise t-tests at the 5% level. The baseline value, with
which values obtained after the PMI were compared, was
calculated as the mean of the values for each parameter in
all samples ... was used. The data were analyzed
using the Mixed procedure with repeated measure
ANOVA (Analysis of Variance) in SAS 9.1 (SAS Institute,
Cary, NC, USA, 2002). To obtain normal distribution, the
data ... citation purposes)
lactation and in lactation number 1 or 2. The herd is com-
parable to an average Swedish dairy herd regarding lacta-
tion stage and age distribution among the cows.
All cows were...
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designing a wireless network phần 1 pot
Ngày tải lên :
14/08/2014, 14:20
... contemporaries
Michael Faraday and Joseph Henry.
Michael Faraday, an English scientific lecturer and scholar, was
engrossed in magnets and magnetic effects. In 1831, Michael Faraday
theorized that a ... 24
Transmitting Radio Signals Over EM Waves 24
Anatomy of a Waveform 25
Modulating a Radio Signal 27
Propagating a Strong Radio Signal 34
Understanding Signal Power and
Signal-to-Noise Ratio 35
Attenuation ... Planning 178
Performing a Risk Analysis 179
Creating an Action Plan 179
Preparing the Planning Deliverables 180
Developing the Network Architecture 180
Reviewing and Validating the Planning
Phase...
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designing a wireless network phần 2 pptx
Ngày tải lên :
14/08/2014, 14:20
... standing wave in the antenna.
This standing wave will regenerate an electric field and the wave will
propagate away from the antenna again.Therefore, as soon as a signal is
received, it is retransmitted. ... represent the signal waveform .The signal wave
is also called the modulating wave because it is the wave that modifies
(or modulates) the carrier wave .The modulating wave can be anything
from analog audio ... to a computer-generated digital square wave .The car-
rier wave is called the modulated wave because it is the wave that is
being changed by the modulating or signal wave. Almost all carrier
waves...
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designing a wireless network phần 3 ppt
Ngày tải lên :
14/08/2014, 14:20
... than
directional antennas because they distribute their power over a wider
area. Parabolic antennas usually have the highest gain of any type of
antenna. A half-wave dipole antenna will have a gain of near ... Antenna gain is the measure of the amount of signal the antenna
radiates or receives. It is given as a decibel ratio, compared to a theo-
retical omnidirectional antenna called an isotropic antenna. ... drained from the
metal, it will be re-radiated from the metal.This is how the parasitic
elements of a Yagi work.
Broadcast television antennas are examples of Yagi type antennas.
Planar Array...
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designing a wireless network phần 4 pptx
Ngày tải lên :
14/08/2014, 14:20
... the address pool.As the name indi-
cates, the process of mapping addresses is dynamic. Once a user is fin-
ished using the external address, the address enters into the pool and is
available again.
Overloading, ... necessary to obtain a range. In
North America, South America, the Caribbean, and sub-Saharan
Africa, the organization responsible is the Address Registry for
Internet Numbers (ARIN), which can be ... region, the organization is
the Asia/Pacific Network Information Centre (APNIC), which can
be found at www.apnic.net.
Q: When using PAT, how can I accommodate all the necessary ports?
A: Approximately...
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designing a wireless network phần 5 pot
Ngày tải lên :
14/08/2014, 14:20
... received and
will transmit it again.
All this takes place at the MAC layer. Noticing that an ACK has not
been received, the sending unit is able to grab the radio medium before
any other unit can and ... packets is greater than the cost
of sending the same information in a couple of large packets.Thankfully,
the 802.11 standard has made this a configurable feature.This way, a net-
work administrator ... roaming calling
state .The VLR is a database consisting of visitor devices in a given
system’s area of operation .The HLR is the database of registered users to
the home network system.
General...
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designing a wireless network phần 6 potx
Ngày tải lên :
14/08/2014, 14:20
... complete the integration.This is
where the information from the gap analysis is utilized. As you may
recall, the gap analysis provides information on what the network is
lacking, and the integration ... the current network provide the data
needed to develop a gap analysis .The gap analysis is a method of devel-
oping a plan to improve the existing network, and integrate the new
requirements .The ... offering any services with the new
design, then this step can be skipped. Once the operations planning step
is complete, you can move on to the gap analysis.
Performing a Gap Analysis
The gap analysis...
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designing a wireless network phần 7 ppt
Ngày tải lên :
14/08/2014, 14:20
... merchandise .The warehouse also con-
tains the company office, where the administrators run the store’s
accounting software and track employee database information.As Figure
7.2 shows, the warehouse also ... register
is available in the sunglasses department. All sunglass purchases must be
made using this register; this is a physical security implementation due to
the ever-increasing prices in the ... with medical equipment.This is one
area where research is very important.
■
Are there any existing monthly costs that can be replaced with
wireless link? The hospital administration staff wants to...
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designing a wireless network phần 8 ppsx
Ngày tải lên :
14/08/2014, 14:20
... addresses the administrative, athletic, and academic areas of
the campus. At this time, only three academic areas are addressed .The
planned network must be easy to adapt as these areas of study increase ... building.These LANs are
totally exclusive to the teaching staff .The staff network is maintained as
a separate network from the student network to help maintain data
privacy such as student grades and ... students and staff .The reasons for choosing 802.1 1a for the
student network are the same as for the staff network. The staff is being
provided with access to the student network as an additional courtesy
and...
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designing a wireless network phần 9 potx
Ngày tải lên :
14/08/2014, 14:20
... family PC, she must
purchase a wireless access point (AP) rather than network the PC and the
laptop .Without the access point, the family PC would have to act as a
server to the laptop, since the ... category is the logical layer and
involves IP address management, network security, and user administra-
tion. As with any implementation, the fundamental project management
is critical to the ... both
physical and human, were identified and administrative measures to fill
them were put in place. Once a definitive plan was in place and
approved, the work began and the Tiger Team became the program
managers...
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designing a wireless network phần 10 pps
Ngày tải lên :
14/08/2014, 14:20
... 71
antenna point bridge placements,
218
quarter-wavelength momopole
antennas, 51
phased array antennas, 51
planar array antennas, 53–54
receiver antennas, 48
transmitter antennas, 48
AP Manager ... practices, gap analysis, and risk
analysis.
; The architecture phase is responsible for taking the results of the
planning phase and marrying them with the business objectives or
client goals .The ... com-
pany LAN and to a printer .The user in the case study has an
existing PC with broadband access that is for family use only, and is
located far from the home office.
Designing the Wireless Home Network
;...
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