A specialist is monitoring performance on a server. The data is on another partition within the same array as the OS. The following information is available： （1）The average record written to disk is 16KB （2）The I/O block size is 2KB （3）The stripe size on the RAID array is 16KB Which of the following will improve performance without rebuilding the operating system？（） Change the I/O block size to match the RAID Stripe size.。 Change the RAID stripe size to match the I/O block size.。 Change the record size of the database to match the RAID stripe size.。 Change the record size of the database to match the I/O transfer rate.。
（）负责项目工程资金的筹集、调度、结算支付和债务偿还及管理；建立健全各类统计台账，负责项目进度款支付； 质量安全部。 项目经理。 综合部。 技术部。
You are maintaining your database in Oracle10g. You have set the value of the STATISTICS_LEVEL initialization parameter to TYPICAL and the value of the FAST_START_MTTR_TARGET parameter to 900 seconds. To increase the performance of the database， you want to determine the optimal size of the online redo log files. Which tool enables you to determine the optimal size of the online redo log files？（） Oracle Enterprise Manager。 The V$LOG view。 The V$LOGFILE view。 The V$FLASHBACK_DATABASE_LOGS view。
How can the administrator display the boot paths from which AIX can boot？（） bootinfo -r。 lspath -boot。 bosboot -ad hdisk0。 bootlist -m normal -rv。
坡屋面应选用（）的防水材料。 耐候性好。 与基层黏结力强、感温性大。 适应位移能力强。 与基层黏结力强、感温性小。
A customer would like to have the ability to permanently activate processor and memory resources as their workload increases.
Which of the following supports the customer requirement?（）
