Iuwne10 S01 L10

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  • Lesson Aim <Enter lesson aim here.>
  • Iuwne10 S01 L10

    1. 1. Module Summary <ul><ul><li>Wireless networks can be peer to peer or organized around access points. </li></ul></ul><ul><ul><li>Wavelength , frequency , and amplitude are used to describe wireless waves. </li></ul></ul><ul><ul><li>dBm and dBi are the main units used to evaluate power levels. </li></ul></ul><ul><ul><li>Antennae are used to send wireless signals; they can be directional or omnidirectional. </li></ul></ul><ul><ul><li>DSSS is used to offer better resistance to narrowband interference. </li></ul></ul><ul><ul><li>The IEEE defines the standards used in wireless networks, the Wi-Fi Alliance ensures compatibility among vendors, and local regulation bodies decide what usage of the wireless spectrum is legal. </li></ul></ul><ul><ul><li>There are different types of wireless frames, which are sent at different speeds. </li></ul></ul><ul><ul><li>Some other wireless technologies may complement or share the same spectrum as Wi-Fi networks. </li></ul></ul><ul><ul><li>On the Ethernet side of the network, VLANs are used to extend the isolation or groups caused by different SSIDs. </li></ul></ul>

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