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单选题
697.以下关于CMC工作情况正确的是( ) which of the following description of the CMC is correct?
A
CMC1主用,CMC2备有 CMC1 master, CMC2 standby
B
CMC2主用,CMC1备有 CMC2 master, CMC1 standby
C
CMC1,CMC2同时工作,不分主次 CMC1, CMC2 simultaneously, regardless of primary and secondary
答案解析
正确答案：A
解析：
关于CMC工作情况的正确描述是什么？
答案: A. CMC1主用,CMC2备用
解析: 答案A是正确的，因为它描述了CMC1是主要的工作CMC，而CMC2是备用的。这是关于CMC工作情况的准确描述。
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