Twisted Pair,coaxial Cable and Optical Fiber Are Examples of ________

Q14: Defined as an electrical conductor,or system of

Q15: _ twisted pair is subject to external

Q16: A _ consists of two insulated copper

Q17: The most commonly used medium in the

Q18: Defined as the power output in a

Q20: Often used in LANs,_ transmission has a

Q21: For _ transmission media,the transmission capacity,in terms

Q22: A loss between the transmitting and receiving

Q23: In a data transmission system the _

Q24: The same antenna cannot be used for