Which of the following archiving methods only backs up data that has changed since the previous full backup?()A. SnapshotB. IncrementalC. CopyD. Differential

题目
Which of the following archiving methods only backs up data that has changed since the previous full backup?()

A. Snapshot

B. Incremental

C. Copy

D. Differential

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更多“Which of the following archiving methods only backs up data that has changed since the previous full backup?() ”相关问题

  • 第1题：

    Whichviewprovidesinformationonthebackupstatusofthedatafilesinthedatabase?()

    A.V$BACKUP

    B.V$BACKUP_STATUS

    C.V$BACKUP_DATAFILE

    D.V$DATAFILE_BACKUP

    E.V$TABLESPCE_BACKUP


    参考答案：A

  • 第2题：

    Youperformdifferentialincrementallevel1backupsofyourdatabaseoneachworkingdayandlevel0backuponSundays,totape.Whichtwostatementsaretrueaboutdifferentialincrementalbackups()

    A.ThebackupperformedonSundayscontainsalltheblocksthathaveeverbeenusedinthedatabase.

    B.ThebackupperformedonSundayscontainsalltheblocksthathavechangedsincethelastlevel1backup.

    C.Thebackupperformedoneachworkingdaycontainsalltheblocksthathavechangedsincethelastlevel0 backup.

    D.ThebackupperformedonMondaycontainsalltheblocksthathavechangedsincethelevel0backup，and everyotherworkingdaycontainsalltheblocksthathavechangedsincethelevel1backup


    参考答案：A, D

  • 第3题：

    Whichofthefollowingrolesmustbegrantedtoausertoperformafulldatabaseimport?()

    A.CONNECT

    B.IMP_FULL_DATABASE

    C.FULL_EXPORT_PRIVS

    D.RESOURCE

    E.FULL_IMPORT_PRIVS


    参考答案：B

  • 第4题：

    Thewarninglevelthresholdvalueforatablespace,&ens

    Thewarninglevelthresholdvalueforatablespace，DATA1，issetto60%andthecriticallevelthresholdvalueissetto80%.Thetablespace，DATA1，isinfrequentlyusedandisnotapartoftheproductionenvironment.Youissuedthefollowingcommand：

    SQL>EXECUTE

    DBMS_SERVER_ALERT.SET_THRESHOLD

    （dbms_server_alert.tablespace_pct_full，

    dbms_server_alert.operator_ge，80，

    dbms_server_alert.operator_ge，90，

    1，1，NULL，

    dbms_server_alert.object_type_tablespace，’DATA’）；

    Whatwillbetheresultofthecommand？（）


    参考答案：B

  • 第5题：

    Consider the Mysql Enterprise Audit plugin. A CSV file called data.csv has 100 rows of data. The stored procedure prepare_db ( ) has 10 auditable statements.You run the following statements in the mydb database: Mysql＞ CALL prepare_db ( );Mysql＞ LOAD DATA INFILE ‘/tmp/data.cav‘ INTO TABLE mytable; Mysql＞ SHOW TABLES;How many events are added to the audit log as a result of the preceding statements?（）

    A.12; only top-level statements and stored procedure events are logged

    B.111; top-level statements and all lower-level statements are logged

    C.3; only the top-level statements are logged

    D.102; top-level statements are logged, but LOAD DATA INFILE is logged as a separate event


    参考答案：C

  • 第6题：

    AnOrganization2010has2MailboxServersnamedServer1andServer2.EachonehasMailboxDatabaseand1PublicFolderDatabase.AlluserscreatePublicFoldersonServer1only.YouneedtoensurethatalluserscreatePublicFolderonServer2only.Whatshouldyoudo？（）

    A.MoveallMailboxestoServer2

    B.RemoveallPublicFolderreplicasfromServer1

    C.ModifypropertiesofbothMailboxDatabases

    D.ModifypropertiesofbothPublicFolderDatabases


    参考答案：D

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