Your network contains an Active Directory domain controller named DC1. DDC1 runs Windows Server 2008 R2. You need to defragment the Active Directory database on DC1. The solution must minimize downtime on DC1. What should you do first()
At the command prompt, run net stop ntds.
B. At the command prompt, run net stop netlogon.
C. Restart DC1 in Safe Mode.
D. Restart DC1 in Directory Services Restore Mode (DSRM).
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患者男,40岁。因外伤急症入院,在全身麻醉下行清创缝合术。麻醉诱导过程中发生大量胃内容物反流。气管插管后发现气道峰压高达35cmHO,听诊两肺满布哮鸣音,脉搏氧饱和度92%。。为了减少呼吸机相关肺损伤,在机械通气过程中应注意以下事项()。
A. 潮气量一般为6~8ml/kg
B. 潮气量一般为10~12ml/kg
C. 气道平台压不超过35cmHO
D. 允许PaCO2一定限度地逐渐升高
E. 采取有效措施促进肺复张
F. 加用适度PEEP,一般不超过25cmH2O
天然珊瑚()。
A. 外形常呈树枝状
B. 横截面呈放射状同心圆,纵切面上呈平行波状条纹
C. 表面有浅而小的寄生虫巢穴的圆形凹坑
D. C都是