APS灵敏度可分为哪几档（）A、高B、中C、低D、关闭
APS灵敏度可分为哪几档（）
- A、高
- B、中
- C、低
- D、关闭
相关考题：
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PTN在配置APS保护组时，上报APS帧丢失告警（ETH_APS_LOST），下列关于该告警产生的可能原因描述错误的是？A、工作通道业务中断B、对端网元未配置APS保护。C、APS保护组两端配置不一致D、APS保护组状态未激活
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