While performing the backup of the datafile，data1.dbf，one backup set is created.
While performing the backup of the datafile，data1.dbf，two backup sets are created.
While performing the backup of the datafile，data1.dbf，three backup sets are created.
While performing the backup of the datafile，data1.dbf，the command for performing a backup of the datafile，data1.dbf，will fail.
第1题：
ExaminethecommandsexecutedinaDBAsession：SQL>CREATEBIGFILETABLESPACEMRKT2DATAFILE’/u01/app/oracle/oradata/orcl/mrkt.dbf’size10MLOGGING3EXTENTMANAGEMENTLOCALSEGMENTSPACEMANAGEMENTAUTO；Tablespacecreated.SQL>ALTERDATABASEDEFAULTTABLESPACEMRKT；Databasealtered.WhichtwostatementsaretrueregardingtheMRKTtablespace（）
A.Nomoredatafilescanbeaddedtothetablespace.
B.Segmentspaceismanagedbyfreelistsinthetablespace.
C.Ausercreatedwithoutbeingassignedadefaulttablespaceusesthistablespace.
D.Thetablespacecanbedroppedwiththecurrentsettingwithsegmentspresentinit
第2题：
A.Whileperformingthebackupofthedatafile，data1.dbf，onebackupsetiscreated.
B.Whileperformingthebackupofthedatafile，data1.dbf，twobackupsetsarecreated.
C.Whileperformingthebackupofthedatafile，data1.dbf，threebackupsetsarecreated.
D.Whileperformingthebackupofthedatafile，data1.dbf，thecommandforperformingabackupofthedatafile，data1.dbf，willfail.
第3题：
Based on the description of a lahar deposit, how do clasts and matrix particles differ in size?
A.Any clast is larger than the largest matrix particle.
B.Any clast is smaller than the smallest matrix particle.
C.Some, but not all, clasts are smaller than the largest matrix particle.
D.Some, but not all, matrix particles are larger than the smallest clast.
第4题：
With regard to its size,Australia is（）country in the world.
第5题：
第6题：
Whileworkingonthedatabase，youreceivethefollowingerror：01578：ORACLEdatablockcorrupted（file6，block54）ORA-01110：datafile6：’u01/oracle/oradata/data1.dbf’YoudecidetorecoverthecorrupteddatablockbyusingtheBlockMediaRecoveryfeature.WhichoptionisNOTadisadvantageofusingblockmediarecovery？（）
A.BlockMediaRecoverymustbeusedwithRMAN.
B.Youmustperformcompleterecoveryofindividualblocks.
C.YoumusthaveafullRMANbackup，notanincrementalbackup.
D.YoumustusetheDBVERIFYutilitybeforeusingtheBlockMediaRecoveryfeature.
第7题：
第8题：
We would appreciate your sending us a catalogue of your Rubber Boots ()with termsof payment and the largest discount you can allow us.
A、togethering
B、togethered
C、together
D、togetherness
第9题：
With regard to its size,Australia is（）country in the world.
Athe third largest
Bthe fourth largest
Cthe fifth largest
Dthe sixth largest
第10题：
You have lost datafile 4 from your database. Which is typically the fastest way to restore your database？（）