Which is not a function of the physical layer:

a. transmission of bits.
b. defining the rules by which one and zeroes are transmitted.
c. providing error-free transmission of data.
d. providing the physical connection between sender and receiver.
e. specifying the type of connection and type of signals, waves or pulses that pass though it.


Answer: c. providing error-free transmission of data.

Computer Science & Information Technology

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