On a Series 1010 lightweight access point, the alarm LED is flashing red, and all other LEDs are off. What is the lightweight access point indicating?()
A. It has lost contact with controller.
B. Its IP address already exists.
C. It requires a code upgrade.
D. It is operating normally.
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卷封机出现卡桶等异常情况停机时,应()
A. 重新开机取出
B. 拆卸设备取出
C. 开机后进料将其顶出
D. 关闭电源后手动盘车取出
规范第四条"教书育人"中对评价学生作了明确要求:不以()作为评价学生的唯一标准。
供电系统的供电状态是指用户与供电系统未失去电的联系,可从供电系统获得电能的状态。
A. 正确
B. 错误
结节性红斑的主要临床症状是在小腿伸侧出现红色疼痛结节,有时并有发热,呈急性经过。
A. 正确
B. 错误