SONET:
A)is a standard for optical transmission that currently operates at Terabit per second speeds
B)is almost identical to the ITU-T standard, synchronous digital hierarchy (SDH))
C)uses existing copper cabling and the PSTN network
D)refers to Sprint Overall Network
E)is not currently available, even in large cities

Question

Quizplus · Accepted Answer

SONET is the American National Standards Institute (ANSI) standard for optical transmission, while SDH is the ITU-T standard for the same technology. They are nearly identical in terms of functionality and capabilities. The other options are incorrect as SONET operates at much lower speeds than Terabit per second, does not use copper cabling or the PSTN network, does not refer to Sprint Overall Network, and is currently available in many areas.