Which of the following type of media is most commonly used in backbone networks because of its high capacity?
a. fiber
b. infrared frequencies
c. coax cable
d. unshielded twisted pair
e. shielded twisted pair
Answer: A
Which of the following type of media is most commonly used in backbone networks because of its high capacity?
a. fiber
b. infrared frequencies
c. coax cable
d. unshielded twisted pair
e. shielded twisted pair