Huawei H35-211_V2.5 Exam - Topic 5 Question 87 Discussion
In video services, if the VOD service is normal but the live service encounters a black screen, which of the following are possible causes?
C) On the ONU, the VLAN of the VoD service is different from that of the live service. On the OLT, there is only one video service stream.
A) PQ is used for downstream congestion management of an OLT.
B) DWRR is used for upstream congestion management of an OLT.
D) The traffic profile corresponding to the OLT upstream multicast service flow is set to a low priority.
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