The Raman amplifer uses which of the following effects?
Which of the following alarm/event storage modes does U2000 support? (Multiple choice).
For the devices that support multiple transmission rates and working modes, the____mechanism can be used to determine the optimal communication mode between two connected
devices. (Enter only lowercase letters.)
PDM uses a polarization beam splitter to divide the laser into two vertical directions: x and y.
SDH is a complete standard digital signal hierarchy that provides____, multiplexing, and cross-connection. (Enter only lowercase letters.)
Which of the following are prerequisites for self-healing networks?
In the colored scenario, the TM20fTD20 board can be used to add/drop wavelengths.
Which of the following boards can directly receive client-side signals?
The frame structure of ODU4 is four times that of ODU1
Which of the following statements about the advantages of OTN are incorrect?
