SONET’s three layers arE. (Choose three.)
A.
DS1
B.
Frame
C.
Path
D.
Line
E.
Section
Explanation:
SONET Layers
SONET divides the overhead and transport functions into three layers:
•Section
•Line
•Path
These three layers are associated with both the physical equipment that segments the network
and the bytes of information that flows through the network elements.