Your database has experienced a loss of datafile users_01.dbf， which is associated with a ablespace called USERS. The database is still running. Which answer properly describes the rder of the steps that you would use to recover from this error？（） a. Shut down the database. b. Take the users_01.dbf datafile offline with the alter database command. c. Restore the users_01.dbf datafile from backup media with the required archived redo logs. d. Restore all users tablespace-related datafiles from backup media. e. Issue the recover tablespace users command. f. Issue the recover datafile users_01.dbf command. g. Start up the database. h. Bring the users_01.dbf datafile online with the alter database command. a， c， f， g。 b， c， f， h。 a， b， c， f， g。 a， b， c， f， g， h。 b， c， f， e， g。
关于对物流定义的理解，错误的是（） 物流过程需要一体化。 物流过程始终是由一系列作业环节组成的。 物流的对象应该包括“人”。 物流过程从横向可以分解为环节、作业和动作。
A healthcare and life sciences client wants to maintain electronic patient records， including medical images， for two years after each patient’s death. How would the IT storage industry describe this business goal？（） Archive solution that requires event-based retention。 Backup solution that provides version-based expiration。 Business continuity solution that provides two years Recovery Time Objective （RTO）。 Business continuity solution that provides two years Recovery Point Objective （RPO）。
生态适宜度
The Business Partner technical specialist is called to check if the addition of host ports on an IBM System Storage DS8000 system has improved users’ response times for an IBM System p server running SAP. How can the improvement be verified（） check the output of the vmstat command on AIX。 check the performance reports via TotalStorage Productivity Center for Data。 check the performance reports via TotalStorage Productivity Center for Disk。 check the improvement through the TotalStorage Expert report。
A mainframe customer with a 2105-800 storage subsystem will be migrating to a new data center.They will be replacing existing servers with newer hardware and the 2105 subsystem with an IBMSystem Storage DS8100. The data centers are 613 kilometers apart. The data migration andproduction cutover must be accomplished with minimal disruption. Which solution best meetsthese requirements?（）
