题目内容

Before a Flashback Table operation，you execute the following command： ALTER TABLE employees ENABLE ROW MOVEMENT； Why would you need this to be executed？（）

A. Because row IDs may change during the flashback operation
Because the object number changes after the flashback operation
C. Because the rows are retrieved from the recycle bin during the flashback operation
D. Because the table is moved forward and back to a temporary during the flashback opertion

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Inyourdatabase,theLDAP_DIRECTORY_SYSAUTHinitializationparameterhasbeensettoYESandtheuserswhoneedtoaccessthedatabaseasDBAshavebeengrantedSYSDBAenterpriseroleinOracleInternetDirectory(OID).SSLandthepasswordfilehavebeenconfigured.AuserSCOTTwiththeSYSDBAprivilegetriestoconnecttothedatabaseinstancefromaremotemachineusingthecommand: Whichauthenticationmethodwouldbeusedfirst?（）

A. authenticationbypasswordfile
B. authenticationbyusingcertificatesoverSSL
C. authenticationbyusingtheOracleInternetDirectory
D. authenticationbyusingthelocalOSofthedatabaseserver

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View the Exhibit and examine the Flashback Database architecture. Identify the missing component （shown with a "？"） in the Flashback Database architecture.（）

A. DBWn
B. RVWR
C. ARCH
D. RECO
E. TRWR

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Which one of these statements is true regarding hot pluggable PCIe and PCI-X slots in a Power 550?（）

A. Cards can be added and then enabled via Hardware Management Console (HMC) GUI or command line.
B. The HMC allows access to the Advanced System Management Interface (ASMI), where the slots can be managed.
C. If the empty slot was already allocated to an LPAR, the LPAR can use the card after the cfgmgr script has been run.
D. The Hardware Management Console (HMC) GUI can guide a customer through the process of adding a card to an empty slot.

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In Recovery Manager （RMAN）， you are taking image copies of the data files of your production database and rolling them forward at regular intervals. You attempt to restart your database. After a regular maintenance task， you realize that one of the data files that belongs to the USERS tablespace is damaged and you need to recover the data file by using the image copy. Because a media failure caused the data file to be damaged， you want to place the data file in a different location while resto ing the file. Which option must you consider for this task？（）

A. using only the RMAN SWITCH command to set the new location for the data file
B. placing the database in the MOUNT state for the restore and recovery operations
C. using an RMAN RUN block with the SET NEWNAME and then the SWITCH command
D. configuring two channels： one for the restore operation and the other for the recovery operation

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