Which of the following actions will allow you to convert from Windows Server 2012 R2 Standard to Windows Server Datacenter, using the least administrative effort?()
A. You should run Setup from the installation media.
B. You should run the Install-WindowsFeature cmdlet from the Windows PowerShell.
C. You should run the dism /online /add-package command from an elevated command prompt.
D. You should run the dism /online /enable-feature command from an elevated command Prompt.
E. You should run the dism /online /set-edition command from an elevated command prompt.
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既有结构的可靠性评定应包括()
A. 安全性评定
B. 适用性评定
C. 耐久性评定
D. 经济性
E. 抗灾害能力评定
食品生产经营人员上岗时应遵守以下()个人卫生要求.
A. 穿戴清洁的工作服、工作帽
B. 有腹泻、化脓性性皮肤病不得上岗
C. 不涂指甲油和佩戴戒指
指出下列哪块骨骼不是眼眶的构成骨()
A. 额骨
B. 颞骨
C. 筛骨
D. 蝶骨
E. 上颌骨
YUV格式中Y是指()信号
A. 亮度信号
B. 色度信号
C. 色差信号
D. 彩色信号