is using a wireless network without the owners permission wrong
Designing A Wireless Network
... 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...
Ngày tải lên: 16/10/2013, 13:15
Báo cáo y học: " Is there a linear relationship between the Brief Psychiatric Rating Scale and the Clinical Global Impression-Schizophrenia scale? " doc
... 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...
Ngày tải lên: 11/08/2014, 16:22
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
... 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...
Ngày tải lên: 12/08/2014, 18:22
designing a wireless network phần 1 pot
... 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...
Ngày tải lên: 14/08/2014, 14:20
designing a wireless network phần 2 pptx
... 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...
Ngày tải lên: 14/08/2014, 14:20
designing a wireless network phần 3 ppt
... 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...
Ngày tải lên: 14/08/2014, 14:20
designing a wireless network phần 4 pptx
... 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...
Ngày tải lên: 14/08/2014, 14:20
designing a wireless network phần 5 pot
... 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...
Ngày tải lên: 14/08/2014, 14:20
designing a wireless network phần 6 potx
... 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...
Ngày tải lên: 14/08/2014, 14:20
designing a wireless network phần 7 ppt
... 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...
Ngày tải lên: 14/08/2014, 14:20
designing a wireless network phần 8 ppsx
... 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...
Ngày tải lên: 14/08/2014, 14:20
designing a wireless network phần 9 potx
... 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...
Ngày tải lên: 14/08/2014, 14:20
designing a wireless network phần 10 pps
... 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 ;...
Ngày tải lên: 14/08/2014, 14:20
