Question 29 (1 point) Transmission media work by conducting energy along a physical path. Data needs to be changed to. bytes signals random numbers hexadecimal Save Question 30 (1 point) The_in a packet switch performs the physical and data link functions. input/output ports routing processor switching fabric routing table lookup Save Question 31 (1 point) In_propagation, signals are transmitted in a straight line from antenna to antenna. omnidirectional line of sight sk laser Save