You execute the following RMAN commands in the order shown below： BACKUP VALIDATE DATABASE; BLOCKRECOVER CORRUPTION LIST; What will these commands do？（）A、create a backup of the database and recover all corrupted blocks found in the backupB、run a backup validation and list all the logically corrupt blocks as well as physically corrupt blocks in the databaseC、run a backup validation to populate V$COPY_CORRUPTION view， and then list any corrupt blocks recorded in the viewD、run a backup validation to populate V$DATABASE_BLOCK_CORRUPTION view， and then repair any corrupt blocks recorded in the viewE、run a backup validation， repair any corrupt blocks found during the validation process， and then update V$DATABASE_BLOCK_CORRUPTION view to indicate which corrupt blocks have been repaired
You execute the following RMAN commands in the order shown below： BACKUP VALIDATE DATABASE; BLOCKRECOVER CORRUPTION LIST; What will these commands do？（）
- A、create a backup of the database and recover all corrupted blocks found in the backup
- B、run a backup validation and list all the logically corrupt blocks as well as physically corrupt blocks in the database
- C、run a backup validation to populate V$COPY_CORRUPTION view， and then list any corrupt blocks recorded in the view
- D、run a backup validation to populate V$DATABASE_BLOCK_CORRUPTION view， and then repair any corrupt blocks recorded in the view
- E、run a backup validation， repair any corrupt blocks found during the validation process， and then update V$DATABASE_BLOCK_CORRUPTION view to indicate which corrupt blocks have been repaired
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ertkiller .com has purchased laptop computers that will be used to connect to a wireless network. You create a laptop organizational unit and create a Group Policy Object （GPO） and configure user profiles by utilizing the names of approved wireless networks. You link the GPO to the laptop organizational unit. The new laptop users complain to you that they cannot connect to a wireless network. What should you do to enforce the group policy wireless settings to the laptop computers（）A、Execute gpupdate/target：computer command at the command prompt on laptop computersB、Execute Add a network command and leave the SSID （service set identifier） blankC、Execute gpupdate/boot command at the command prompt on laptops computersD、Connect each laptop computer to a wired network and log off the laptop computer and then login again.E、None of the above
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单选题You issued the following statement： SQLALTER DATABASE ENABLE RESUMABLE TIMEOUT n； What will be the result of issuing the above statement？（）AThe command will not execute successfully because TIMEOUT is an invalid clause with the ALTER DATABASE ENABLE RESUMABLE command.B The command will not execute successfully because resumable space allocation is enabled at the session level.C The command will execute successfully and resumable space will be allocated at the session level.D The command will execute successfully and resumable space will be allocated at the instance level.
单选题You want to purge job entries older than 5 days from the job log. You do not want to purge window log entries. Which command will you use to accomplish this task？（）A EXECUTE DBMS_SCHEDULER.PURGE_LOG（log_history = 5， job_name = ’JOB1’）；B EXECUTE DBMS_SCHEDULER.PURGE_LOG（ log_history = 5， job_name = ’JOB_LOG’）；C EXECUTE DBMS_SCHEDULER.PURGE_LOG（ log_history = 5， which_log = ’JOB1’）；D EXECUTE DBMS_SCHEDULER.PURGE_LOG（ log_history = 5， which_log =’JOB_LOG’）；
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单选题You execute this command in MOUNT mode： ALTER DATABASE ARCHIVELOG； Where is the information that the database is now in ARCHIVELOG mode stored？（）ASPFILEBarchive logCcontrol fileDsystem tablespace
单选题You have an SQL query that takes one minute to execute. You use the following code segment to execute the SQL query asynchronously.IAsyncResult ar = cmd.BeginExecuteReader（ ）;You need to execute a method named Do Work（ ） that takes one second to run while the SQL query is executing. DoWork（ ） must run as many times as possible while the SQL query is executing. Which code segment should you use? （）Awhile（ar.AsyncWaitHandle==null）{DoWork（）；}dr=cmd.EndExecuteReader（ar）；Bwhile（!ar.IsCompleted）{DoWork（）；}dr=cmd.EndExecuteReader（ar）；Cwhile（Thread.CurrentThread.ThreadState==ThreadState.Running）{DoWork（）；}dr=cmd.EndExecuteReader（ar）；Dwhile（!ar.AsyncWaitHandle.WaitOne（））{DoWork（）；}dr=cmd.EndExecuteReader（ar）；
单选题You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a database named DB1 in the instance. DB1 has a table which is named Table01 and a stored procedure named Procedure01. Procedure01 choose data from Table01 by using a sp_executesql Transact-SQL statement. You company security rules forbid users to access tables directly in any database. Look at the exception below: "Msg 229, Level 14, State 5, Line 1 The SELECT permission was denied on the object 'Table01', database 'DB1', schema 'dbo'." The exception is raised when Procedure01 is executed by users. You must make sure that e user can successfully execute Procedure1 complying with the company rules. So what action should you perform to achieve this goal?（）AYou should execute the GRANT SELECT ON dbo.Table01 TO User1 Transact-SQL statement. BYou should execute the GRANT EXECUTE ON dbo.Procedure1 TO User1 Transact-SQL statement. CYou should alter Procedure01 and add the WITH EXECUTE AS OWNER option to its header DYou should alter Procedure01 and add the EXECUTE AS USER = apos;dboapos; option immediately before the call to the sp_executesql stored procedure.
多选题Identify four uses of the Oracle Scheduler.（）Aenables Oracle database to schedule which processes execute on which processors in a multiple CPU environmentBenables Oracle database to do patches according to a DBA-defined scheduleCenables you to schedule the execution of jobs based on timeDenables you to execute jobs in a clustered environmentEenables you to periodically execute operating systemscript files located on the same server as the databaseFenables you to create a job that makes use of saved programs and schedulesGenables you to automate the management of the jobs that are created using the DBMS_JOB package
多选题You work as a database administrator for Certkiller .com. Your database is opened in NOARCHIVEKLOG mode. You decide to place the database in ARCHIVELOG mode. How would you do this？（）AExecute the ALTER DATABASE ARCHIVELOG statementBSelect ARCHIVELOG option in the database control and restart the database to apply the changes.CShut down and start the instance, and in the NOMOUNT state execute the ALTER DATABASE ARCHIVELOG statement.DShut down and start the instance, mount the database, then execute the ALTER DATABASE ARCHIVELOG statement.
单选题Your network contains an Active Directory domain named contoso.com. All domain controllers run Windows Server 2012 R2. You create and enforce the default AppLocker executable rules. Users report that they can no longer execute a legacy application installed in the root of drive C. You need to ensure that the users can execute the legacy application. What should you do？（）AModify the action of the existing rulesBCreate a new rule.CAdd an exception to the existing rulesDDelete an existing rule