Which of the following is typically used as the communication channel in local area networks?
A. Twisted-pair wiring
B. Coaxial cable
C. Microwaves
D. Nodes
Question 2
A (n) ___________________ _is a short-term increase in voltage that can sometimes result in the failure of computer equipment.
A. Sag
B. Surge
C. Spike
D. Oscillation