In Huawei's u2000 management system, when adding network elements, you can only add -- ones- when you access the network element.
(Single) A total of 100 multicast users on OLT are watching 20 multicast programs, assuming that each multicast program occupies 2M bandwidth, then how much multicast traffic is currently on the OLT upstream port
(Radio) Which of the following options can improve the service experience of multicast users when switching channels (switching time is shorter)
(Radio) The following is not the QOS service model, is