![](https://lstatic.shangxueba.com/sxbzda/h5/images/m_q_title.png)
[单选题]
宁溧线OTN节点箱站站之间传输使用尾纤是波长为__nm单模光纤()
A.850
B.1310及1550
C.1310
D.1550
![](https://lstatic.shangxueba.com/sxbzda/h5/images/tips_org.png)
A.850
B.1310及1550
C.1310
D.1550
第6题
A.借记卡0.3825%-16.25元、贷记卡0.4825%
B.借记卡0.45%-25元、贷记卡0.6%
C.借记卡0.5%-20.00元、贷记卡0.55%
D.借记卡0.5%-18元、贷记卡0.6%
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