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.