Which of the following IP addresses are not part of the private IP address?

Which of the following description of the single station commissioning is wrong?

Which of the following is not a PW APS switching condition?

Which of the following options can reduce the effects of nonlinear effects in the WDM system? (Multiple Choice)

In the non-aggregated OTU processing SDH standard signal scenario, both A and B are WDM stations, and the R_Los alarm is detected on the client side of the OTU of the A station. After the alarm is processed on the WDM side of the OTU, the client side of the downstream B station detects and reports the REM_SF alarm, and the B station transmits the signal to the downstream client device and reports the R_LOS alarm to the client device.