Immediately after adding a new disk to or removing an existing disk from an ASM instance, you find that the performance of the database goes down initially until the time the addition or removal process is completed, and then gradually becomes normal. Which two activities would you perform to maintain a consistent performance of the database while adding or removing disks?（） Define the POWER option while adding or removing the disks。 Increase the number of ARB processes by setting up a higher value for ASM_POWER_LIMIT.。 Increase the number of DBWR processes by setting up a higher value for DB_WRITER_PROCESSES。 Increase the number of slave database writer processes by setting up a higher value for DBWR_IO_SLAVES。
血清结合珠蛋白测定正常参考值（） 0.2-19gHb/L。 <0.15Ghb/L。 >0.20gHb/L。 <0.10gHb/L。
IBM SAN Volume Controller 在哪个层面实现存储虚拟化？（） 主机及操作系统层面。 存储网络层面。 磁盘存储层面。 以上都不对。
简述配送中心总体设计的一般步骤。
DS3000系列磁盘阵列最多支持多少个驱动器？（） 12。 24。 36。 48。
How can permissions be set up on /tmp so that a user cannot delete another user’s files？（）
