改进IT服务管理需要进行一系列的活动，首先要做的工作是哪项（） IT部门要组织进行现状评估。 相关方共同确定服务管理的远景目标。 高层管理者提供资源并作出承诺。 作出服务改进的规划。
You are maintaining the PROD database for NetFx Corporation. You have configured controlfile autobackup in your database. At 6：00 P.M. on Monday， you issue the following command： RMAN>BACKUP DATABASE； At 8：00 A.M. on Tuesday， you are unable to start the database because all the control files are missing. You decide to restore the control files from the backup by using the RMAN> RESTORE CONTROLFILE FROM AUTOBACKUP； command. Which operation should you perform before using the RMAN> RESTORE CONTROLFILE FROM AUTOBACKUP； command？（） Start the database in the MOUNT stage.。 Back up the control file to trace.。 Set the DBID。 Issue the RECOVER DATABASE command.。
患者，男性，30岁。应车祸致“脾破裂”急诊手术。入手术室时，神志清，T37.2℃，P94/min。，BP96/60mmHg，硬膜外麻醉成功后，突然出现意识丧失，面色苍白，口唇四肢严重发绀，脉搏、心音、血压均测不出，血氧饱和度下降至20％。该患者可能发生了以下哪种情况（） 心脏骤停。 面色苍白。 心源性休克。 呼吸衰竭。 窒息。
Examine the following scenario: The target database instance is running. The most recent backup available for the target database was taken two days ago. Log files switches have occurred in last two days. The target database is duplicated on the same host, using the Recovery Manager (RMAN) duplicate command as follows: Which statement is true about the duplicate database in this scenario?（） It contains data till the last backup。 It contains all data from target database until the current time。 It contains all data from only the committed transactions in the target database。 It contains all data except that which is used by the transactions in the current online redo file of target database。
M12以上的丝锥采用（）分配切削量。
工业动火是指（）产生明火的施工作业。
