Which WebSphere Commerce catalog management tool creates an XML file and DTD file from CSV formatted data？（） DTD Generator。 Extractor。 Mass Loader。 Text Transformer。 XML Transformer。
迄今为止，只有（）可以准确判别人类致癌物的致癌性。 急性毒性试验。 致畸试验。 致突变试验。 动物诱癌试验。
In the parameter file of the production database， the BACKGROUND_DUMP_DEST parameter is set to $ORACLE_HOME/users. Which two types of files would you find in this location？（） the alert log file。 the core dump files。 the change tracking file。 the user session trace files。 the database audit trail files。 the background process trace file。
A customer with a small IT budget has one data center. Their main application is a database running on an IBM System Storage DS8000. The database has a data change rate of 50% per day. Once a week， they must do a point-in-time backup from the database to tape. The time it takes to run the backup now exceeds the backup window allowed. The customer requests a proposal to reduce database downtime caused by running backups， with nearly no impact to production volumes. In addition to the tape backup， which DS8000 feature should a technical specialist propose（） FlashCopy。 FlashCopy SE。 Metro Mirror。 Global Mirror。
体育教学过程5要素：（）、（）、（）、（）、（）。
Which command enables a user to exit the vi editor, overwriting the existing file without prompting for confirmation?（）
