[单选]

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（）

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。 简述Switch 1.5MW变流器主空开吸合实验的操作过程? Which command enables a user to exit the vi editor, overwriting the existing file without prompting for confirmation?（） :w。 :qw。 :x!。 :we!。 How should TCP/IP be configured on the ent0 network adapter？（） ifconfig en0 192.168.10.1 netmask 255.255.255.0 gateway 192.168.10.254。 ifconfig ent0 192.168.10.1 netmask 255.255.255.0 gateway 192.168.10.254。 mktcpip h test61 -a 192.168.10.1 -i en0 m 255.255.255.0 g 192.168.10.254 -s。 mktcpip h test61 -a 192.168.10.1 -i ent0 m 255.255.255.0 g 192.168.10.254 -。 钳工在台虎钳上进行强力作业时，应使力量朝向台虎钳的活动钳身。

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（）