单项选择题 You issued the following statement in your SQL*Plus session：   SQL>ALTER SESSION ENABLE RESUMABLE TIMEOUT 600；   Which operation is neither suspended nor resumed using the Automatic Resumable Allocation feature in your database？（）

多项选择题 You have the following online redo log configuration：    Group       Member   1     ’/disk1/oradata/redo01a.log’   2     ’/disk2/oradata/redo02a.log’   3     ’/disk3/oradata/redo03a.log’   You decide to multiplex the online redo log groups for recovery of redo log files in case of any disaster. Which two statements will you NOT issue to multiplex the online redo log files？（）

单项选择题 YouaremaintainingyourOLTPdatabaseinOracle10g.YouhavenotsetthewarninglevelandcriticallevelthresholdvaluesforspaceusageoftheDATA1tablespace.Whatwillbetheimpact？（）