14
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9 11 2011 .
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15
1. . ( . . . . . . . . Ethernet, Token Ring, Arcnet)
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...,
9 11 2011 .
------------------------------------------------------------------------------------------------------------
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16
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9 11 2011 .
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17
1. . ( OSI. TCP/IP. . . )
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9 11 2011 .
------------------------------------------------------------------------------------------------------------
һ
