You have lost all your database control files. To recover them， you are going to use the results of the alter database backup controlfile to trace command. Your datafiles and your online redo logs are all intact. Which of the following is true regarding your recovery？（） [" You will need to open the database with the resetlogs command."," All you need to do is execute the trace file from SQL*Plus and it will perform the recovery for you."," You will use the resetlogs version of the create controlfile command."," You will use the noresetlogs version of the create controlfile command."," You will use the trace file to create a backup control file， and then you will recover the database with the recover database using backup controlfile command"]
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A customer is concerned about rising power costs， and the limited space they have left in the computer room. They have been doing some research into virtualization and would like to know if they should pursue this solution. Which of the following architectural features should be discussed with them？（） ["x3650 M3 servers and racks","x3550 M3 servers， VMware and racks","BladeCenter， blades and VMware","x3620 M3 servers and VMware"]
A customer has 5 older POWER5 systems and they want to consolidate them onto a POWER6 system. What information is important to analyze when deciding how to design the new machine using the System Planning Tool?（） [" vmstat and iostat data from the older machines "," The number of CPUs that were installed in the original machines "," Data from Workload Estimator (WLE) and IBM Performance Management (PM) "," Performance data that is collected from the new system after it has been put into productio"]
为什么说没病一定就是健康？
如何准确理解电子商务这一概念？
