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Wireless sensor network have become widely used in many civil and military issues. Like all other network, it is exposed to attacks but its simplicity structured (CPU & memory) prevent the traditional defense technic to be applied, so they need a s pecial for defense. Most security researches focus on data righteousness and privacy, in this research we focus on attacks that aimed to the power resources which are referred as Denial Of Sleep attacks (DoS), in this attacks the attacker try to keep the sensor in active phase causing the power source to be drained very quickly so that it is a very dangerous attack. In this research we reviewed the sources of energy Loss in wireless sensor network and classified the attacks that target the power resource, we built a simulation module to analysis the B-MAC protocol response to denial of sleep attacks.
Rural transport is one of the basic requirements imposed by the daily life conditions, so it should be has of certain conditions and basic standards which it purposed of achieving customer satisfaction and reach the level of a certain quality of se rvice provided by rural public transport. For that, Many studies were focusing on a number of most important criteria such as the waiting periods, comfort, safety, adherence regular capacity of bus, commitment tariff set for the fare, In addition to the commitment to a specific time. In this research, interviews with a random sample of residents of Sheikh Badr City were producted in order to obtain the information needed to evaluation the quality and appropriateness of public transport services on the line of Tartous-Sheikh Badr. After that we recorded the data obtained and analyzed the results using the program (excel). One of the most important results that we have obtained is the length of the waiting period, which ranged from 50-60 minutes. Search finished with evaluation the public transport, suggestions and recommendations to improve the efficiency of transport in rural areas.
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