Refer to the exhibit. Two buildings on the San Jose campus of a small company must be connected to use
Ethernet with a bandwidth of at least 100 Mbps. The company is concerned about possible problems from
voltage potential difference between the two buildings. Which media type should be used for the
connection?
A. UTP cable
B. STP cable
C. Coaxial cable
D. Fiber optic cable
两栋建筑物之间相差55米,答案是D,不懂,请哪位帮我解答一下,谢谢!