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单选题A technician is renaming files on a PC from a command prompt and is currently in the root of driveC: Which of the following commands should the technician use to move to a different directory? （）A CDB DIRC MDD RD
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单选题Which of the following commands will be run at a command prompt to determine which WindowsOS is running on the computer?（）A VERB Device ManagerC VERIFYD SET
单选题You perform a backup using the following BACKUP command: RMAN> BACKUP AS COMPRESSED BACKUPSET DATABASE; Which statement is true of this command?（）A A different procedure is required to restore a database from compressed backupsB The AS COMPRESSED clause of the BACKUP command provided by RMAN is used to create compressed backup sets and image copies.C Using this command to create backups minimizes the bandwidth consumedD Using this command to create backups improves the performance of the backup process
单选题Which of the following tools is used to consolidate files and folders on a local drive?（）A CHKDSKB DEFRAGC DISK CLEANUPD Computer Management
单选题An AIX system administrator needs to adjust the maximum amount of memory that can be pinned. Which of the following commands is used to make the change？（）Avmtune -MBsvmon -mCvmstat -sDschedtune -m
单选题Given the following output： prompt> myapp [1]+ Stopped myapp prompt> Which of the following commands will resume executing the stopped process while allowing the user to continue to type commands at the command prompt？（）Abg myappBcontinue myappCexec myappDfg myappEmyapp &
单选题An operator has been asked if a system was rebooted. Which of the following commands should be used to determine if a reboot has occurred?（）A The name?command.The ?name?command.B The ptime?command.The ?ptime?command.C The hutdown ast?command.The ?hutdown ?ast?command.D The ?etc/rc.shutdown?command.
