文件系统中，设立打开文件（Open)系统功能调用的基本操作是（)。A.把文件信息从辅存读到内存 SXB

A.cover all project risks by buying appropriate insurance

B.ignore the risks,since nothing can be done about them and move forward with the project in an expeditious manner

C.avoid project with clear and present risk

D.identify various risks and implement actions to mitigate their potential impact

A.IP

B.TCP

C.UDP

D.ARP

A.primarily coused by poor workmanship of workers who are building or manufacturing the produce

B.associated with non-conformence to specifications and requirements

C.used to determine whether a quality management program is suitable for a given project

D.negligible for most large projects

A.influencing the factors that create schedule changes to ensure that the changes are beneficial

B.determing that the schedule has changed

C.managing the actual changes when and as they occur

D.changing the shedule based on customer demands