is using a wireless network without the owners permission wrong

... software is, the more accurate the map will be The coordinates of the receiver are placed on the topographical map in the program, usually in the form of a dot, and a display screen provides a visible ... displayed on the radar unit Passive monitoring is a long-term implementation whereby a device listens to a transmitter and records the data An example of this is when an animal is tagged with a ... Wide Area Networks (WANs) span a much wider physical distance Usually a WAN is a widely dispersed collection of LANs .The WAN uses a router to connect the LANs physically For example, a company may...

Ngày tải lên: 16/10/2013, 13:15

... of the patients and the statistical analysis, and wrote the manuscript SM also performed the evaluation of the patients and Sawamura et al BMC Psychiatry 2010, 10:105 http://www.biomedcentral.com/1471-244X/10/105 ... The first was the use of the CGI-SCH as a scale that substituted for the evaluation made by the patients’ psychiatrists There is no evidence that the CGI-SCH has perfect linearity and this was ... R-squared was 0.7524 (p value of analysis of variance was less than 0.001), unstandardized b, standardized b, and the p value are shown Data for schizophrenic patients (n = 150) Sawamura et al...

Ngày tải lên: 11/08/2014, 16:22

... purposes) Acta Veterinaria Scandinavica 2009, 51:4 lation after a 24-h milking interval They discussed whether this could facilitate the migration of leukocytes into the mammary gland and explain the ... milking 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 ... for citation purposes) Acta Veterinaria Scandinavica 2009, 51:4 After analysis it was revealed that none of mentioned parameters had any effect on the different variables, and that only days in...

Ngày tải lên: 12/08/2014, 18:22

... Wide Area Networks (WANs) span a much wider physical distance Usually a WAN is a widely dispersed collection of LANs .The WAN uses a router to connect the LANs physically For example, a company may ... showing that there is an update on your flight plans the flight is delayed Your teenagers, unflappable as always, make the best of the situation, flopping in the nearest chair and pulling from the carry-on ... engineers and LAN and WAN administrators as they attempted to troubleshoot and design their networks, and then on to consulting Chris has a wife and four sons Alicia Neely (CCNA, CCDA) is currently a...

Ngày tải lên: 14/08/2014, 14:20

... and the outer shield maintains this distance Kinking coaxial cable can permanently damage the cable and can attenuate the signal, so it is important to be careful with the cable Since the spacing ... in the previous example, there becomes a 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 ... energy is referred to as a beam Directional antennas fall into two general categories: parabolic and phased array Parabolic antennas function similar to a flashlight in that they use a dish-shaped...

Ngày tải lên: 14/08/2014, 14:20

... is the gain of an antenna and how is it different from one type to another? A: 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 theoretical omnidirectional antenna called an isotropic antenna All other things being equal, a high-gain antenna will transmit and receive weaker signals farther than a low-gain antenna ... Parabolic Antennas The most common examples of parabolic antennas are satellite dishes Parabolic antennas have an emitter that is mounted so that it is aimed into a bowl-shaped reflector Just as...

Ngày tải lên: 14/08/2014, 14:20

... 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 found at ... with the subnet mask, the time limit on the address lease, and IP address of the server .The device broadcasts a message of acceptance .The final step occurs when the address is actually assigned and ... process of mapping addresses is dynamic Once a user is finished using the external address, the address enters into the pool and is available again Figure 3.10 Network Address Translation 192.168.0.1...

Ngày tải lên: 14/08/2014, 14:20

... task As mentioned earlier in the station services section, the AP also can authenticate a wireless device against a list of MAC addresses.This list could reside locally on the AP, or the authentication ... network. This list of allowable MAC addresses may be on the AP or on a database somewhere on the wired network A wireless device can authenticate itself to more than one AP at a time.This sort of “pre-authentication” ... kilometers, as well as systems in the 1.25 Gbps data rate range with a maximum distance of 350 meters .The optical sector is growing in capability at a rapid rate, so expect these data rates and distance...

Ngày tải lên: 14/08/2014, 14:20

... you can move on to the gap analysis Performing a Gap Analysis The gap analysis will be a comparison of the existing network to the future requirements .The information obtained through the gathering ... satisfaction, increased revenue, and so on) An easy way to present the various risks is in a matrix form, where you place risk on the horizontal axis and return on the vertical axis Assign the ... during the planning phase For example, with a situation as indicated in the risk analysis section previously, the action plan may need to provide a solution to a particular risk Basically, the action...

Ngày tải lên: 14/08/2014, 14:20

... that there are communications and mechanical rooms in the center of the floor plan area; these rooms may generate noise and affect the wireless design .The rest of the floor plan is open-area space ... s Plan the access point locations to take advantage of transmission coverage Make sure one or two radios are added to the access point as needed for transmission Extend the radio antennas as needed ... departments, a shoe department, a baseball/soccer department, a golf department, a seasonal department, and a sunglasses department Generally, the most active of all the first-floor departments is...

Ngày tải lên: 14/08/2014, 14:20

... PM Page 260 Chapter • Designing a Wireless Industrial Network: Retail Case Study Install the AP Manager Software After the access points are installed, install the AP Manager software on a Windows ... make sure that they can run the AP Manager software on the PC This software establishes the connection of the AP-1000s Since there are multiple AP-1000s, the consultants configure the other AP-1000s ... campus At this time, only three academic areas are addressed .The planned network must be easy to adapt as these areas of study increase or change For example, the Math and Computer Sciences department...

Ngày tải lên: 14/08/2014, 14:20

... 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 ... (AP) and what is its main function? A: An access point is a wireless bridge that provides access to a wireless station so that it can communicate with a wired LAN An access point can also be a bridge ... to the amount of raw data passed through a link or network and includes both overhead signaling data as well as user data.Throughput refers to the actual amount of user data passed through the...

Ngày tải lên: 14/08/2014, 14:20

... capabilities .The raw data rate available is up to a 3.75 kilometer distance with 10 Mbps There are no interference or licensing issues with optical wireless, and its data rate and distance capabilities ... 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 ... directional antennas, 49–55 parabolic antennas and, 55 planar array antennas, 53–54 sectorized array antennas, 54–55 Yagi array antennas, 52–53 director elements, 52 distance vector routing, 98–100 distribution...

Ngày tải lên: 14/08/2014, 14:20

... whereby a device listens to a transmitter and records the data An example of this is when an animal is tagged with a transmitter and the signal is collected and data is gathered over a period of time ... throughout the day and wirelessly transfer the data back to the main computer system.This increases efficiency in that the device is mobile and small, and the data is recorded without manually having ... weather patterns; and geologists using radio waves to gather information on earthquakes Applying Wireless Technology to Horizontal Applications Along with the many vertical markets and applications,...

Ngày tải lên: 14/08/2014, 18:22

... application .The wpa_supplicant is installed as a daemon that runs as a background process It has a command-line interface as well as a graphical user interface As of this writing, the latest stable release ... encryption standard, whereas WPA uses the TKIP standard.This is not to say that WPA is not secure but to acknowledge that wireless security is ever changing WPA2 also supports a personal authentication ... your local host Open a command prompt and change to the directory that contains the installation package Untar the package by issuing the command tar xvfz wpa_supplicant-0.4.9.tar.gz Change your...

Ngày tải lên: 14/08/2014, 18:22

... William A Arbaugh and Arunesh Mishra, An Initial Security Analysis of the IEEE 802.1x Standard, the authors discuss how one-way authentication and other weaknesses made 802.1X vulnerable to manin -the- middle ... each RRAS server A primary advantage of doing this is easier administration and centralized logging of dial-in access Installing an IAS server also provides a standards-based RADIUS server that ... organization’s network as far as the wireless signal can travel An intruder who takes advantage of this fact can be one of your neighbors in the office park, an employee at another organization...

Ngày tải lên: 14/08/2014, 18:22

... user workstation There are many network scanners that can be used to scan large user LANs One of the more popular scanners is called NMAP NMAP is a free network scanner available at www.nmap.org ... sniffer has the ability to detect wireless radio signals and access points within a reachable signal area that can then be compared against a list of known authorized access points If the new MAC address ... (FCS) that is added at the end of the ISL-encapsulated frame When an ISL header is added to an already large Ethernet packet (1518 bytes), the packet will go over its Ethernet standard allowed...

Ngày tải lên: 14/08/2014, 18:22

... you can move on to the gap analysis Performing a Gap Analysis The gap analysis will be a comparison of the existing network to the future requirements .The information obtained through the gathering ... 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 plan provides ... analysis ■ Industry practices analysis ■ Operations plan ■ Gap analysis ■ Technology plan ■ Collocation plan ■ Risk analysis ■ Action plan Once the planning deliverable document is complete and...

Ngày tải lên: 14/08/2014, 18:22

... AP also can authenticate a wireless device against a list of MAC addresses.This list could reside locally on the AP, or the authentication could be checked against a database of allowed MACs ... Authentication can also be made against a list of MACs allowed to use the network. This list of allowable MAC addresses may be on the AP or on a database somewhere on the wired network A wireless ... information in a couple of large packets.Thankfully, the 802.11 standard has made this a configurable feature.This way, a network administrator can specify short packets in some areas and longer packets...

Ngày tải lên: 14/08/2014, 18:22