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Examine the following command： ALTER DISKGROUP data MOUNT FORCE； In which scenario can you use the above command to mount the disk group？（）
A . when ASM disk goes offline
B . when one or more ASM files are dropped
C . when some disks in a disk group are offline
D . when some disks in a failure group for a disk group are rebalancing
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In which of the following scenarios is a tablespace recovery required？（）
A . when recovering a lost read-only tablespace from a read-only tablespace backup
B . when recovering a lost read-only tablespace from a read-write tablespace backup when the database is running in ARCHIVELOG mode
C . when recovering a lost read-only tablespace from a read-write tablespace backup when the database is running in NOARCHIVELOG mode and the changes in the online redo log files have been overwritten
D . when recovering a lost read-only tablespace from a read-only tablespace backup using the backup of the control file， the control file was created using the ALTER DATABASE BACKUP CONTROLFILE TO TRACE statement， and this statement was issued when the tablespace was read-only
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In which scenario do you use the Flashback Database feature？（）
A . when a table is dropped and you restore it from the Recycle Bin
B . when a user’s schema is dropped and you recover the user’s schema
C . when some incorrect data is inserted in the table and you retrieve the table to a state that was at a certain timestamp
D . when a row of a table is updated frequently and committed， and you view all the versions of the row within a specific duratio
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You are working in a dedicated server environment. Your database is running in the automatic Program Global Area （PGA） memory management mode. Which two statements are correct in this scenario？（）
A . The WORK_AREASIZE_POLICY initialization parameter cannot be set to AUTO.
B . The Oracle database automatically controls the amount of PGA memory allotted to SQL work areas.
C . Setting the value of the SGA_TARGET initialization parameter to 0 will disable the automatic PGA memory management.
D . The SORT_AREA_SIZE parameter is ignored by all the sessions running in the automatic PGA memory management mode.
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You are working in a dedicated server environment. Your database is running in the automatic Program Global Area （PGA） memory management mode. Which two statements are correct in this scenario？ （）
A . The WORK_AREASIZE_POLICY initialization parameter cannot be set to AUTO.
B . The Oracle database automatically controls the amount of PGA memory allotted to SQL work areas.
C . Setting the value of the SGA_TARGET initialization parameter to 0 will disable the automatic PGA memory management.
D . The SORT_AREA_SIZE parameter is ignored by all the sessions running in the automatic PGA memory management mode.
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In which scenario would index be most useful? （）
A . The indexed column is declared as NOT NULL.
B . The indexed columns are used in the FROM clause.
C . The indexed columns are part of an expression.
D . The indexed column contains a wide range of values.
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In which scenario would TOP N analysis be the best solution? （）
A . You want to identify the most senior employee in the company.
B . You want to find the manager supervising the largest number of employees.
C . You want to identify the person who makes the highest salary for all employees.
D . You want to rank the top three sales representatives who have sold the maximum number of products.
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You are performing a block media recovery on the tools01.dbf data file in the SALES database using RMAN. Which two statements are correct in this scenario？（）
A . You must ensure that the SALES database is mounted or open.
B . You must restore a backup control file to perform a block media recovery.
C . You must take the tools01.dbf data file offline before you start a block media recovery.
D . You must put the database in NOARCHIVELOG mode to perform a block media recovery.
E . You can perform only a complete media recovery of individual blocks， point-in-time recovery of individual data blocks is not supported.
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You are working on Oracle Database 10g， which is in ARCHIVELOG mode. All the archived log files are intact. In which scenario would performing a recovery require the opening of the database with the RESETLOGS option？（）
A . loss of a tempfile
B . loss of a system data file
C . loss of one of the control files
D . loss of one of the tablespaces
E . loss of a member from each redo log group
F . loss of the only member of an unarchived redo log grou
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Examine the following command: ALTER DISKGROUP data MOUNT FORCE; In which scenario can you use the above command to mount the disk group? （）
A . when ASM disk goes offline
B . when one or more ASM files are dropped
C . when some disks in a disk group are offline
D . when some disks in a failure group for a disk group are rebalancing
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You are working on Oracle Database 10g， which is in ARCHIVELOG mode. All the archived log files are intact. In which scenario would performing a recovery require the opening of the database with the RESETLOGS option？（）
A . loss of one of the tablespaces
B . loss of a system data file
C . loss of one of the control files
D . loss of a tempfile
E . loss of the only member of an unarchived redo log group
F . loss of a member from each redo log grou
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In which scenario will you perform an incomplete recovery？（）
A . when a table is dropped and stored in the Recycle Bin
B . when all the control files are deleted
C . when a member of a multiplexed redo log group is dropped
D . when you are required to recover a table to its previous state
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In which scenario will you perform a cancel-based recovery？（）
A . when a tablespace is dropped and you have only RMAN-based backup of the database
B . when a table is dropped and stored in the Recycle Bin
C . when you are required to recover an existing table to its previous state
D . when a tablespace is dropped and you have only a user-managed full backup of the database
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Which scenario describes an appropriate use for opening a form in a new session?（）
A . The data entered into the called form is logically independent of the data entered in the calling form.
B . The called form requires different privileges than the calling form.
C . The called form must execute as a different user than the calling form.
D . The calling form must be able to query data in the called form before it is saved.
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In which two scenarios should you issue the following command？（） FLASHBACK TABLE SCOTT.EMP TO TIMESTAMP SYSTIMESTAP- INTERVAL ’15’ MINUTE；
A . when the schema of the user， SCOTT， was deleted by mistake 15 minutes ago
B . when the table EMP of the SCOTT schema was dropped by mistake 15 minutes ago
C . when some rows of the table， EMP， in the SCOTT schema were deleted by mistake 15 minutes ago
D . when some incorrect values were inserted in the EMP table in the user Scott’s schema during the last 15 minutes
E . never， because FLASHBACK TABLE is not a valid command in Oracle 10g.
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In which scenario will you use the Flashback Transaction Query feature？（）
A . when you want to restore an important table that is dropped from the Recycle Bin
B . when you want to obtain the SQL statements to undo the deletion of some important records from a table by a transaction
C . when you want to restore a dropped user’s schema
D . when a row of a table is updated many times within a specific time period and you want all the versions of the row in the specified time period
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You are managing an Oracle Database 11g database. You configured the database to run in ARCHIVELOGmode. Which two statements are true in this scenario（）
A . You must shut down the database instance to perform the backups.
B . You must configure the Flash Recovery Area （FRA） for the database.
C . You can perform complete database backups without closing the database.
D . All the previous closed database backups including control files become invalid after you configure thedatabase to ARCHIVELOG mode.
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In which scenario is a Database Administrator NOT required to perform an incomplete recovery？（）
A . when all the online redo log groups are multiplexed and one of the members of a group is missing
B . when all the online redo log groups are not multiplexed and one log group is missing
C . when all the control files are missing
D . when some important tables are deleted from the database and purged from the Recycle Bi
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In which scenario will you issue the following command？（） SQL> RECOVER DATABASE UNTIL TIME ’2005-10-04 ： 12：09：08’ USING BACKUP CONTROLFILE；
A . when all the control files are missing and only a binary backup of the current control file exists
B . when a multiplexed copy of the current control file is missing
C . when all the control files are missing and only a script containing the CREATE CONTROLFILE statement exists
D . when the SPFILE is missing
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In which scenario， will you issue the following command？（） RMAN> REPORT NEED BACKUP DAYS 7；
A . to configure RMAN to maintain backup information in the RMAN repository for seven days
B . to configure RMAN to maintain backup information in the control file for at least seven days
C . to display the list of files that have not been backed up for the last seven days
D . to display the list of files that must be backed up within seven day
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In which scenario will you use the Flashback Version Query feature？（）
A . when you want to restore a table that has been dropped from the Recycle Bin
B . when you want to identify the transaction ID of the transaction that deleted some important records from a table
C . when you want to recover the schema of a dropped user
D . when you want to restore a dropped tablespace
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In which of the scenarios will the DBA perform recovery（）
A . The alert log file is corrupted.
B . A tablespace is accidentally dropped.
C . One of the redo log members is corrupted.
D . A database user terminates the session abnormally.
E . The hard disk on which the data file is stored is corrupted.
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In which of the following scenarios would the "show cdp neighbors detail"command be an appropriate troubleshooting tool?（）
A . Two switches are connected via a trunk. Both switches have been assigned an IP address, subnet mask, and default gateway. A ping is successful between the two switches. However, VLAN information is not passed from one switch to the other switch.
B . A router and a switch have been assigned an IP address, a subnet mask, and a default gateway. They are directly connected, but a ping between the two devices fails.
C . A router connects to another router through a serial interface. Both routers have been assigned an IP address, subnet mask, and default gateway. The routers are running RIP and the networks directly connected to the first router do not pass to the second router. However, a ping from one router to the serial interface of the directly connected neighboring router is successful.
D . A router connects to another router via a switch. Both routers and the switch have been assigned an IP address, subnet mask, and default gateway. Neither the routers nor the switch are able to ping one of the hosts that is directly to the switch.
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Identify three scenarios in which you would recommend the use of SQL Performance Analyzer to analyzeimpact on the performance of SQL statements.（）
A . Change in the Oracle Database version
B . Change in your network infrastructure
C . Change in the hardware configuration of the database server
D . Migration of database storage from non-ASM to ASM storage
E . Database and operating system upgrade
