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 differences between the two buildings. Which
media type should be used for the connection?
A.
coaxial cable
B.
fiber optic cable
C.
UTP cable
D.
STP cable
Explanation:
Since fiber optic cable does not carry electrical charges, all electrical cable problems disappear.
When fiber optic cable (outdoor quality) is used to link buildings, grounding problems, ground
loops, and voltage spikes are eliminated and fiber-optic cable is all so immune to electronic
eavesdropping. The other options (STP, Coax, and UTP) are all copper based and prone to
electrical interferences.