633Software EngineeringMedium
The physical layer of a network________?
Adefines the electrical characteristics of signals passed between the computer and communication devices
Bcontrols error detection and correction
Cconstructs packets of data and sends them across the network
DAll of the above
Correct answer
A. defines the electrical characteristics of signals passed between the computer and communication devices
Explanation
The correct answer is defines the electrical characteristics of signals passed between the computer and communication devices.