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What are the four layers of the tcp/ip reference model?
a. software, hardware, network interface, internet
b. application, transport, internet, and network interface
c. physical, application, internet, and network interface
d. application, hardware, internet, and network interface
e. physical, application, transport, and network interface

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What are the four layers of the tcp/ip reference model?
a. software, hardware, network inter...
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