NOS从根本上说是一种管理器,用来管理连接,资源和通信量的流向
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道路运输管理机构建立的机动车维修经营者档案内容包括()等。
A. 土地使用权及产权证明复印件
B. 运输车辆技术档案
C. 机动车维修从业人员花名册
D. 交通行政许可决定书机具设备明细表
A system administrator needs to backup datavg which contains a database that pre-allocates files by padding them with nulls, similar to treating them as sparse files. In order to effectively backup and be able to restore the datavg files, which backup method should be used?()
A. savevg
B. tar
C. cpio
D. mksy