The basic building block of the SONET digital transmission hierarchy is called the______________
A. . STS-LEVEL 1
B. STS-LEVEL 12
C. STS-LEVEL 1
D. STS-LEVEL 13
Answer:C
The basic building block of the SONET digital transmission hierarchy is called the______________
A. . STS-LEVEL 1 B. STS-LEVEL 12 C. STS-LEVEL 1 D. STS-LEVEL 13