家客L2-单选（2022

34. PON（Passive Optical Network：无源光纤网络）技术是一种点到多点的光纤接入技术，它由局端侧的OLT、用户侧的（）以及ODN组成。

发布于 2021-03-23 11:30:43

【单选题】
A A.BBU
B B.ONU
C C.MSTP
D D.SDH

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zwk906156808 2023-03-23

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