Question 61
In the point-to-point WDM networking scenario, the signal-to-noise ratio of a certain single wave is low, and the other channels are normal. The reason is that it is impossible?
Question 62
If a ROADM site adopts WSS+RMU configuration, which of the following influences on SOM is wrong ()?
Question 63
The single-fiber bidirectional optical interface of PTN equipment distinguishes upstream and downstream service flows according to time slots.
Question 64
In the Linux system, configure an IP address of 129.9.1.100 for the network card Eth0, and the command used is ()
Question 65
A path is a transmission entity, which is connected by a pair of "one-way paths" that can simultaneously transmit information in opposite directions between their respective outputs and inputs.