Question 201
What is the line code type of the commonly used SDH optical interface?
Question 202
Physical port: also known as MAC port, which is the external port of the board.
Question 203
TMD E1 PWE3 encapsulation is used to solve the transmission of E1 services. What is the frame rate of E1 services per second? Which of the following is correct?
Question 204
OPC is an optical layer platform board that needs to be used with a pluggable module to work properly.
Question 205
The subnet mask of 255.255.255.248, according to the calculation formula, can accommodate 23 devices, or 8 devices.