A customer plans to implement a new OLTP and data base application. The records are smalland access is random, with a lot of write activity. Which RAID level is the best solution for thisapplication?（） RAID 1。 RAID 3。 RAID 5。 RAID 10。
给水PH值不合格应增加（）的加入量 氨液。 碱液。 磷酸盐。
A company has acquired another company and is consolidating data centers. During the consolidation， half of the users of a business-critical application lost access. The users who maintained access experienced slow performance. What is the first action the SAN/storage administrator should take to determine the source of the problem（） review SAN configuration， connectivity， and zoning。 review application parameters for contention or tuning problems。 use internal disk monitoring tools to determine the problem source。 check the disk parameters in the OS setup on the system。
现在有一家进入成长期的小企业遇到了危机，该如何帮助塔摆脱困境？
In Recovery Manager （RMAN）， you have set control file autobackup to ON by using the following command： CONFIGURE CONTROLFILE AUTOBACKUP ON; Which two events would cause the control file to be backed up automatically？ （） a tablespace is taken offline。 the database instance is restarted。 a new data file is added to an existing tablespace。 a successful backup is recorded in the RMAN repository。 the RMAN connection is disconnected from the target database。
A banking customer plans to implement a BladeCenter H chassis. They plan for seven HS22 blades， six HX5 blades with MAX5， one 1U external Fibre Channel switch， and two 3U Fibre Channel storage devices with fourteen 146GB drives. Which is the minimum amount of rack space required to implement the solution of the following？（）
