Question 46
Which of the following boards can realize the broadcast function of service signals in the receiving direction? (Multiple choice)
Question 47
The following three optical layer protections have different protection ranges. Arrange them in ascending order. Which one is the correct one?
Question 48
Which of the following alarms did the peer report when a bit error was detected in the B2 byte?
Question 49
The reason for bit errors is mainly the () and () of the transmission system
Question 50
Which of the following paths can be configured on the network management? (Multiple choice)
