A LAN‚ or local area network‚ is a group of computers ranging from small to large within a single office or building. Security and access control has to be robust to secure data‚ applications‚ and confidential records. Unauthorized access to the network is a massive security risk for the infrastructure. One way to reduce the risk of access is to implement access doors with key cards to only allow authorized personnel. So if there was a breach in security its only limited to select personnel. The
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Continental drift has helped create the diversity we see present in modern day plants and animals. Through a process of speciation‚ the movement of the continents has had a generous role throughout evolution‚ effecting and distributing flora and fauna. The Earth’s continents were once one‚ a large supercontinent called Pangea that later separated into two smaller ones known as Gondwana and Laurasia. The separation and collision of continents has not only created some of the valleys and mountain ranges
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Storage Space Outline -Bits and Bytes -storage devices Hard drives (internal‚ external‚ network) Flash drives Cloud Storage -Technologies currently in development -Summary The purpose of this paper is to shed some light on computer storage devices. In order to understand how computer storage devices work‚ I will have to discuss bits and bytes. According to About.com’s contributing author
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of history that have been left unclear because so much time has lapsed. Thanks to fossils or remains‚ among other things‚ historians have been able to piece together many things. In the 1500’s the first contact was made in the Americas. During this time‚ the America’s and the world as we know it was changed radically. Humans influenced America the most because of their ways to manipulate animals‚ diseases they spread‚ and their eagerness and ambition to take control. Humans have influenced the world
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What is biodiversity and what are the impacts do invasive species have on biodiversity? Biodiversity is the variety of animal and plant life in a particular habitat; it also means all of the different natural processes on the earth. There is estimated to be more than 11000 tree species in the amazon rainforest‚ that a huge amount of different species and that’s only for one part of the world. It is important to have biodiversity‚ Biodiversity boost ecosystems productivity. What is productivity?
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1. Cold Storage a. Overview The name “Cold Storage” is an icon and its story is unique in the corporate histories of Singapore. The Company had humble beginnings - a small depot storing and selling mainly frozen meat from Australia. From that‚ it has grown to become the premier player in retailing in Singapore. Established in 1903‚ Cold Storage was the child of the Industrial Revolution and Pax Britannica‚ when Singapore was the “Clapham Junction of the Eastern Seas”. Together with electricity
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The Immigration and Economy of the United States Economic globalization is a tendency‚ and it can move goods‚ services‚ technologies‚ and capital to achieve the cross-border cooperation. The United States also is a nation of immigrants‚ and a lot of foreign people who believe in American Dream has helped the economic success of the U.S. over the centuries. However‚ now the immigration is a very controversial issue in American‚ and the both presidential candidates also proposed a series of policies
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................................................................1 1.1 Overview ……………………………………………………………………………………………..….2 2.0 Fast Ethernet ………………………………………………………………………………3-4 2.1 Overview of the Fast Ethernet ………………………………………………………………………..4 2.2 Implementation of the Fast Ethernet ………………………………………………………………5-6 2.3 Advantages and Disadvantages of the Fast Ethernet ……………………………………………...7 3.0 Token Ring ………………………………………………………………………………...8-9 3.1 Overview of the Token Ring… ………………………………………………………………………
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The need for more storage is growing. The amount of data produced is doubling in every two years. (in 2010 – 1.8 zettabytes) The cost of creating‚ managing and storing the data is decreasing‚ but can the optical storage expand further? The current Blu-ray lasers emit light in the blue part of the electromagnetic spectrum (about 420 nanometer wavelength). There are ongoing researches using UV light‚ that would probably have to be 200 nm and would provide storage capacities of over 100 GB in a single
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Cloud storage is a model of networked online storage where data is stored on multiple virtual servers‚ generally hosted by third parties‚ rather than being hosted on dedicated servers.Hosting companies operate large data centers; and people who require their data to be hosted buy or lease storage capacity from them and use it for their storage needs. The data centeroperators‚ in the background‚ virtualize the resources according to the requirements of the customer and expose them as storage pools
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