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The OSI Reference Model: All About the Physical Layer

The physical layer basically specifies the characteristics of physical used between networked devices including wires, fibers, cables, and so on. All receipt and transmission of data from physical mediums are handled in the physical layer. This layer is the bottommost layer of the seven open system interconnection or OSI reference model. Here’s what you …

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A Brief Look at America Before European Contact

America Before Americans: A Brief Look at America Before European Contact

Despite numbering more than 5 million people, many Americans are unaware of Native American history, culture, and their way of life. Many Americans remain unaware of what the country was like prior to European migration, which is unfortunate, considering that the history and culture of the Native Americans is one worthy of study. People …

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