wireless sensor networks can be promptly understood simply by thinking about what they essentially are: a large number of small sensing self-powered nodes which gather information or detect special events and communicate in a wireless fashion‚ with the end goal of handing their processed data to a base station. Sensing‚ processing and communication are three key elements whose combination in one tiny device gives rise to a vast number of applications [A1]‚ [A2]. Sensor networks provide endless
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photograph‚ videos‚ and comments. These social networking sites can be describe as community based website‚ where users can form a relationship with others people who have the same network or interest‚ having private chat rooms‚ online discussions forum and other opportunity they have online. The attractiveness of using social network will keep growing and the population of users will keep growing anonymously. Firstly‚ the advantage of having social networking and the disadvantage side of having a social
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COMPUTER NETWORKS 4TH MARCH 2012 Examination Paper Answer ALL questions. Clearly cross out surplus answers. Time: 2 hours Any reference material brought into the examination room must be handed to the invigilator before the start of the examination. ANSWER ALL QUESTIONS Marks QUESTION 1 a) State FOUR (4) principles underpinning the Open Systems Interconnection (OSI) Reference Model. b) Describe the purpose of the physical layer of the OSI Reference Model. c) State THREE (3) elements
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The article I read is‚ “The Art of Savage Discovery: How to Blame the Victim”‚ by Ryan William (1976). His book dives into how society has shaped our views on lower classes and how we’ve become accustomed to blaming people for their struggles. According to William‚ “victim blaming is cloaked in kindness and concern‚ and bears all the trappings and statistical furbelows of scientism” (p. 6). In other words‚ William states that when one “victim-blames”‚ it isn’t because they’re being prejudice‚ they
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The novel “Looking for Alaska” written by John Green is predominately about self discovery. I found this novel was filled with overwhelming emotions that connected and allured me deeper as the novel carried on. I think the theme adolescence this novel portrays is very relevant to todays world because young teenagers are all going through a intimidating and perplexing time and this book relates to the way they feel and see the world in a way they can understand and relate to. Protagonist Miles’
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Wireless Network Security Partha Dasgupta and Tom Boyd Dept. of Computer Science and Engineering Fulton School of Engineering Arizona State University partha@asu.edu‚ tboyd@asu.edu Abstract Wireless networking is inherently insecure. From jamming to eavesdropping‚ from man-inthe middle to spoofing‚ there are a variety of attack methods that can be used against the users of wireless networks. Modern wireless data networks use a variety of cryptographic techniques such as encryption and authentication
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providers and form a provider network‚ and the members must see providers solely from this network if they have their health care paid for by HMOs. HMOs are
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SOCIAL NETWORKS. Nowadays in most Western countries there is an increase in the use of social networks. The most famous are for example youtube‚ Facebook and Twitter‚ but often these communication media are not used in the right way. There is no doubt‚ the use of the social networks might have positive and negative aspects. First of all the major advantage of using social networks is the possibility to keep in touch with friends that live abroad or people that we are unable to see because of
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GSM -> Architecture Architecture of the GSM network MobileStation BaseStationSubsystem Network Subsystem Following is the simple architecture diagram of GSM Network. [pic] A GSM network is composed of several functional entities‚ whose functions and interfaces are defined. Figure 1 shows the layout of a generic GSM network. The GSM network can be divided into three broad parts. The Mobile Station is carried by the subscriber‚ the Base Station Subsystem controls
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Network diagrams are schematic displays of project schedule activities and the interdependencies between these activities. When developed properly‚ this graphical view of a project’s activities conveys critical schedule characteristics required to effectively analyze and adjust schedules – thus resulting in accurate and feasible schedules. This document addresses what should be considered in the development of a network diagram‚ how network diagrams are created‚ and how they may be analyzed to identify
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