While Monitoring the space usage in your database that is in ARCHIVELOG mode you observed
that the flash recovery area does not have enough free space to accommodate any more files and you do not have necessary permissions to add more space to it.
Identify the two events that can occur in the event of a log switch？（）
A. An entry is created in the alert log file and the database instance continues to function normally
B. The log switch hangs occur for transactions until free space is available in the flash recovery area
C. The Oracle database server deletes a file that is on the obsolete file list to make free space in the flash recovery area
D. The database instance status is implicitly changed to RESTRICTED mode and file creations to the flash recovery area are prevented
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Your database instance is running. You are not able to access Oracle Enterprise Manager Database Control because the listener is not started.
Which tool or utility would you use to start the listener？（）
A. Oracle Net Manager
B. Listener Control utility
C. Database Configuration Assistant
D. Oracle Net Configuration Assistant
A. The transparent encryption of backups uses the encryption wallet
B. The database uses the same encryption key for every encrypted backup
C. The password encryption of backups only uses the password while creating and restoring backup
D. If transparent encryption is configured， you cannot use the SET ENCRYPTION BY PASSWORD command to make password-protected backups
A. Granting UNLIMITED QUOTA on the SYSTEM tablespace to the owner
B. Allocating the SYSTEM tablespace as the default tablespace and granting the SYSDBA privilege to the user
C. Creating a new tablespace，allocating this as the default， and granting UNLIMITED QUOTA on this tablespace to the user
D. Allocating the SYSAUX tablespace as the default tablespace and granting UNLIMITED QUOTA on this tablespace to the user
The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each. One of the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file：
ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3；
Which action should you perform immediately after using this command？（）
A. You should perform a log switch
B. You should make a backup of the database
C. You should switch the database to the NONARCHIVELOG mode
D. You should shut down the database instance and perform a complete database recovery
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
A. New channels for restore and recovery tasks
B. New name for the data files of the tablespace
C. Auxiliary name for the data files of the tablespace
D. Auxiliary destinations for an auxiliary set of data files
Your database is running in ARCHIVELOG mode. One of the data files， USERDATA01.dbf， in the USERS tablespace is damaged and you need to recover the file until the point of failure. The backup for the datafile is available.
Which three files would be used in the user-managed recovery process performed by the database administrator （DBA）？（）
A. Redo logs
B. Control file
C. The latest backup of only the damaged data file
D. The latest backup of all the data file in the USERS tablespace
E. Temporary files of temporary tablespace
F. Archive Logs since the latest backup to point of failure
You work with a newly created database. Presently， there is no application load on the database instance. You want to create a baseline for tuning the application， so you decide to collect recommendations that can be implemented to improve application performance.
What action must you take to achieve this？（）
A. Run Segment Advisor
B. Run the SQL Tuning Advisor （STA）
C. Run the Automatic Workload Repository （AWR） report
D. Run the SQL Access Advisor with a hypothetical workload
A. Enable supplemental logging for the database.
B. Specify undo retention guarantee for the database
C. Create Flashback Data Archive in the tablespace where the tables are stored.
D. Create Flashback Data Archive and enable Flashback Data Archive for specific tables
A. The data file backup is done with multiple channels
B. The data files is in the read-write mode after being backed up in the read only mode
C. The backup was taken after the data files was taken offline-normal or is in the read only mode
D. The data file backup complies with the back retention policy and the backup duplexing fe ture
最新试题
View the Exhibit and examine the disk groups created at the time of migrating the database storage to Automatic Storage Management （ASM）. Why does the FRA disk group initially have more free space even though both DATA and FRA disk groups are provided with the same size？（）
In your production database， users report that they are unable to generate reports on an important table because it does not contain any data. While investigating the reason， you realize that another user executed the TRUNCATE TABLE command， which accidentally caused the data to be lost. Now you want to recover the lost data of the table without affecting objects in other schemas. Which method must you use to recover the lost data？（）
Identify the persistent configuration setting for the target database that can be set for the backup by using RMAN.（）
Which two operations are NOT performed by the DUPLICATE command in Recovery Manager （RMAN） while duplicating a running database？（）
The database is currently open and the temp03.dbf tempfile belonging to the default temporarytablespace TEMP has been corrupted. What steps should you take to recover from this tempfile loss in an efficient manner？（）
In Recovery Manager （RMAN）， you are taking image copies of the datafiles of your production database and rolling them forward as regular intervals. You attempt to restart your database instance 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 datafile by using the image copy. You could perform the following steps to accomplish this： 1） Mount the database 2） Take the data file offline 3） Bring the data file online 4） Use the RMAN SWITCH TO command to switch the image copy 5） Apply the archived redo logs 6） Open the database 7） Use the RMAN RESTORE TO command to switch to the image copy Which two options illustrate the correct sequence of steps that you could follow？（）
Which three tasks can be performed using a duplicate database？（）
Examine the following RMAN command： RMAN> CONFIGURE ENCRYPTION FOR DATABASE ON； RMAN> BACKUP DATABASE PLUS ARCHIVELOG； Which prerequisite must be met before accomplishing the backup？（）
View the Exhibit and examine the output. You execute the following RMAN command to perform the backup operation： RMAN> RUN { ALLOCATE CHANNEL c1 DEVICE TYPE disk MAXOPENFILES 8； BACKUP DATABASE FILESPERSET 4； } What is the multiplexing level in the preceding backup process？（）
Which command creates an image copy？（）