H31-311-ENU試験無料問題集「Huawei HCIA-Transmission(Huawei Certified ICT Associate-Transmission) 認定」
The pointer is used for alignment and indicates the start position of VC-n in the corresponding AU or TU frame. In this way, the receive end can correctly remove the corresponding VC from the STM-N, and then split the VC and C encapsulation to separate low-rate signals, such as PDH. That is, low-rate tributary signals can be directly dropped from the STM-N signal.
正解:B
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