在安全服务中,所有参与者都不可能否认或抵赖曾经完成的操作,称为()。 ["认证服务","数据完整性服务","数据保密性服务","抗抵赖服务"]
教育科学
You have an existing Windows Communication Foundation (WCF) service. You need to ensure that other services are notified when the service is started.What should you do?() ["

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外墙外保温工程大规模应用的保温隔热材料,主要优点是()。 ["A.质轻、保温隔热性好 ","B.易吸水、耐热 ","C.容重大、耐热 ","D.质轻、易吸水"]
公元前4世纪,雅典官员在任职前要接受陪审法庭的任职资格审查,还要在一年的任期内接受公民大会10次的信任投票,在任期结束还要接受账目审计。这些规定直接作用是()。 ["维护民主制度","体现法治精神","实现轮番而治","防止权力滥用"]
全面质量管理的基本核心是什么?