题目内容
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[单选题]
What does OAM LT check of ZXCTN series equipment mean？（)
A.nloopback check
B.nlinktrace check
C.nconnectivity verificatio
D.nservice consistency check
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题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
A.nloopback check
B.nlinktrace check
C.nconnectivity verificatio
D.nservice consistency check
如果结果不匹配，请 联系老师 获取答案
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