单项选择题
A. streams pool
B. shared pool
C. log buffer
D. keep buffer cache
E. recycle buffer cache
单项选择题 Youaremanagingadatabaseforwhichincrementalbackupscanbeverytimeconsuming.Inordertoperformoptimizedincrementalbackupsyouenabletheblockchangetrackingfeature.HowwouldyouinstructRMANtousetheblockchangetrackingfeaturewhenperformingincrementalbackups？（）
多项选择题 Youhavecreatedajobclass，CUST_JOB_1，withtwojobs，CUST_JOB_1_AandCUST_JOB_1_B.Whichtwostatementsaretrue？（）
单项选择题 Thedatabasehasthedatablocksizesetto8KB.Youneedtoimportatablespacewitha4KBblocksizeintothedatabase.Whichadditionalmemoryparameter（s）shouldbeconfiguredtoperformatransportabletablespaceimport？（）