试题与答案

链路状态信令单元LSSU是由MTP的哪一功能级产生并接收的() A.信令数据链路功能

题型:单项选择题

题目:

链路状态信令单元LSSU是由MTP的哪一功能级产生并接收的()

A.信令数据链路功能级

B.信令链路功能级

C.信令网功能级

D.MTP第一功能级

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B

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