【多选题】【消耗次数：1】
对于设置操作员密码，以下说法正确的有( )。
①
不能为空
②
必须输入两次
③
可以输入数字
④
不能修改
参考答案：
复制
纠错
相关题目
【单选题】
设置操作员、授权和密码管理，正确的说法是(）。
①
用户不能为别人授权，只能为自己授权
②
自己管理自己的密码
③
只有系统管理员才可以设置用户，并为用户授权和设置、修改密码
④
被授权和设置了密码的用户才能合法操作
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so I will
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Since
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Because
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those
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playing
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in another words
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