"There are 126 possible Class A network addresses. Why? The length of a Class A network address is 1 byte, and the first bit of that byte is reserved, so 7 bits in the first byte remain available for ...
What would that change? They are still teaching network using OSI model. Stillborn model for a stillborn set of protocols (are any of them still in use? I think Microsoft used X.500 which turned into ...
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