安全裕度的数值通常由被测零件的尺寸公差确定,一般取零件公差范围的10%,对于计量器具的不确定度u1,标准规定为u1=()A。
A. 0.90
B. 0.85
C. 0.95
D. 0.94
Application A holds an Update lock on a single row and application B is trying to read that row. If both applications are using isolation level UR, which of the following will occur?()
Application B will read the row.
B. Applications A and B will cause a deadlock situation.
C. Application B will wait until application A releases the Update lock.
D. Application A will be terminated so that application B can read the row.
A customer has an existing IBM System Storage DS8700 2-way model with 8 mega packs of 300 GB disks and 16 fibre ports. How many additional fibre ports and mega packs can be installed in the base frame()
A. 16fibre ports and 0 mega packs
B. 4fibre ports and 8 mega packs
C. 8fibre ports and 4 mega packs
D. 12fibre ports and 0 mega pack
对员工的能力判断应从教育、培训、技能和经历方面考虑。
A. 正确
B. 错误