Question 16
The NS4 board features test includes: (Multiple choice)
Question 17
The E&M signal defines the type of connection between a relay device and a signaling unit. Which of the following belongs to the relay device?
Question 18
What are the functions of MPLS-TP OAM? (Multiple Choice)
Question 19
For the SSM protocol, which of the following statements are correct? (Multiple choice)
Question 20
Which of the following alarms trigger optical line protection switching?