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How does a parallel port send and receive data
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How does synchronous communication work
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Are serial ports synchronous or asynchronous devices
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Explain Asynchronous communication
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Explain a dial up line
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List the two types of dedicated or leased lines
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List the two types of switched networks
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Explain circuit switching
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Explain packet switching
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List the two categories of packet switching
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Explain attenuation
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Explain EMI
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What does ISDN stand for
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