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【单选题】
若ONU下带的用户数量较多，比如带一个交换机，这种情况下ONU的端口上的vLAN最好添加成（）模式？A.
TAg
B.
TrANsLATiO
C.
TrANsPAreNT
D.
以上皆可以
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A.
one
B.
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【简答题】In Section A, you will hear ten short conversations between two speakers. At the end of each conversation, a question will be asked about what was said. The conversation and the question will be spoke...