Question 76
When there is a Critical Error In Seconds (SES) in the PM portion of the ODUk layer, which of the following alarms is reported by NMS?
Question 77
When configuring VLAN-based service types, which of the following features must be enabled on the port?
Question 78
When the ACT indicator light of the SDH board is off, it means that the board has a hardware failure and cannot be used.
Question 79
Which of the following boards can directly receive client-side signals?
Question 80
The encapsulation formats of TMD E1 service PWE3 mainly include SAToP mode and CESoPSN mode. The main difference lies in whether the structure and processing overhead of TDM signal are perceived.