SONET Fundamentals Quiz

Test your understanding of Synchronous Optical Networking concepts with these analytical questions

For Undergraduate Electrical Engineering Students

5 Analytical Questions

1

A SONET network is transmitting an STS-3 signal. If each STS-1 frame has a data rate of 51.84 Mbps, what is the total data rate of the STS-3 signal?

51.84 Mbps 103.68 Mbps 155.52 Mbps 466.56 Mbps

2

In a SONET frame, the transport overhead occupies 27 bytes and the path overhead occupies 9 bytes. If the total frame size is 810 bytes, what percentage of the frame is available for payload data?

85.5% 89.6% 92.8% 95.6%

3

A SONET network uses a UPSR (Unidirectional Path Switched Ring) with a circumference of 120 km. If the signal propagation speed in fiber is 2 × 10⁸ m/s, what is the maximum path delay for protection switching?

0.2 ms 0.4 ms 0.6 ms 0.8 ms

4

A SONET STS-1 frame is transmitted every 125 μs. How many frames are transmitted in one second, and what is the duration of each byte within the frame?

8000 frames/s, 48.6 ns/byte 8000 frames/s, 64.8 ns/byte 12500 frames/s, 80.0 ns/byte 10000 frames/s, 100.0 ns/byte

5

In a SONET network, an OC-48 signal has a line rate of 2.48832 Gbps. How many STS-1 channels can be multiplexed into this OC-48 signal?

24 48 96 192

SONET Quiz Results

🌐

0/5

Review your answers to strengthen your understanding of SONET principles.