[单选] In order to upgrade from AIX Version 4.3 to AIX Version 5.2， which of the following actions should be performed？（）

You executed the following query in your database：  FROM V$FLASHBACK_DATABASE_LOG;  What would you determine from the output？（） the time when the last flashback operation in your database was performed。 the time when the first flashback operation in your database was performed。 a list of flashback operations performed in your database using SCN and time。 the approximate time and the lowest system change number （SCN） to which you can flash back your database。 请列举机组检测的温度 Companycom wants to use Virtual SCSI disks to boot multiple operating systems from the same disk. How will the volumes appear in the Virtual IO Server and how will the logical volumes appear in the partition?（） The Virtual SCSI disks are defined as logical volumes in the Virtual IO Server. The logical volumes appear as real devices (hdisks) in the client partitions. 。 The Virtual IO adapters are connected to a virtual host bridge. On the Virtual IO Server they are vdisks, on the client partition, the exported disks are visible as virtual disks. 。 The Virtual SCSI disks are represented in the ODM as a bus device whose parent is sysplanar0. Logical volumes will be assigned to the Virtual IO Server and virtual disks, vdisks, in the client partition. 。 The Virtual IO adapters are represented as adapter devices with the virtual host bridge as their parent. On the Virtual IO Server they are vdisks attached to vscsi, on the client partition the exported disks are visible as virtual disks.。 How can WebSphere Commerce Payments be started？（） By executing the payments ’startWCP’ command with the appropriate parameters.。 WebSphere Application Server provides a command to start it.。 The Configuration Manager provides a start option for it.。 From the WebSphere Commerce Payments User Interface.。 From the WebSphere Commerce Administration console.。 Given the following scripts， what output would be generated（） usr/local/bin/scriptl    #!/usr/bin/ksh    VARl=red    export VARl=green    VARl=blue    /usr/local/bin/script2    ARl=yellow   /usr/local/bin/script2     #!/bin/ksh   echo "The sky is ${VAR1}." The sky is red.。 The sky is blue.。 The sky is green.。 The sky is yellow.。 In order to upgrade from AIX Version 4.3 to AIX Version 5.2， which of the following actions should be performed？（）