Question 16
Which of the following descriptions about ODUflex are correct? (Multiple choice)
Question 17
The last 256 columns in the OTN frame structure are the FEC area for forward error correction.
Question 18
Currently, 2Mbit/s signals are most widely used. Which of the following steps are involved in the process of multiplexing 2Mbit/s signals into STM-N? (Multiple choice)
Question 19
For non-returnable services, when the LSP is interrupted, the head node calculates an optimal path for service recovery, and then establishes a new LSP through signaling to transmit services through the new LSP. After the new LSP is established, will not delete the original LSP.
Question 20
OSN1500/2500/3500/7500 supports DC and AC power input.
