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السؤال #1
Tape streaming is not happening while performing RMAN tape backup. On investigation, you find that it is not because of the incremental backup or the empty file backup and that RMAN is sending data blocks to tape drive fast enough. What could be a solution to make streaming happen during the backup?
A. Configure backup optimization
B. Configure the channel to increase MAXOPENFILES
C. Configure the channel to increase the capacity with the RATE parameter
D. Configure the channel to adjust the tape buffer size with the BLKSIZE option
عرض الإجابة
اجابة صحيحة: D
السؤال #2
You configured the Fast Recovery Area (FRA) for your database. The database instance is in ARCHIVELOG mode. The default location for the archived redo log files is the FRA. Which two files are removed automatically if space is required in the FRA as per the retention policy? (Choose two.)
A. Archived redo log files that have multiple copies in a different archive location
B. user-managed backups of data files and control files
C. RMAN backups that are obsolete
D. flashback logs
عرض الإجابة
اجابة صحيحة: ABE
السؤال #3
For which three requirements would you use the Database Resource Manager? (Choose three.)
A. specifying an idle time limit that applies to sessions that are idle and blocking other sessions
B. limiting the degree of parallelism of operations performed by user sessions in a consumer group
C. specifying the maximum number of concurrent sessions allowed for a user
D. limiting the CPU used per database call
E. specifying the amount of private space a session can allocate in the shared pool of the SGA
عرض الإجابة
اجابة صحيحة: AC
السؤال #4
Examine the following command: SQL> DBMS_STATS. SET_TABLE_PREFS ('SH', 'CUSTOMERS', 'PUBLISH', 'false'); What is the effect of executing this command?
A. Existing statistics for the CUSTOMERS table become unusable for the query optimizer
B. Automatic statistics collection is stopped for the CUSTOMERS table
C. Statistics for the CUSTOMERS table are locked and cannot be overwritten
D. Statistics subsequently gathered on the CUSTOMERS table are stored as pending statistic
عرض الإجابة
اجابة صحيحة: CE
السؤال #5
Automatic Shared Memory Management (ASMM) is enabled for your database instance. You execute the following command: SQL> ALTER SYSTEM SET DB_CACHE_SIZE = 100M; Which statement is true?
A. It succeeds and the minimum size for the DEFAULT buffer pool is set to 100M
B. It fails because DB_CACHE_SIZE is a static initialization parameter
C. It fails because ASMM is enabled and individual SGA components cannot be sized
D. It succeeds and the value is changed in the SPFILE immediately, but the change takes effect only at the next instance startup
عرض الإجابة
اجابة صحيحة: D
السؤال #6
You enabled block change tracking for faster incremental backups in your database. Which background process writes to the change tracking file?
A. RBAL
B. CKPT
C. SMON
D. PMON
E. MMON
F. CTWR G
عرض الإجابة
اجابة صحيحة: CDF
السؤال #7
Which three statements are true about Oracle Data Pump? (Choose three.)
A. Oracle Data Pump export and import operations can be performed to move data across different database releases
B. DBMS_DATAPUMP PL/SQL packages can be used independent of Data Pump clients
C. A directory object must exist and a user performing an EXPDP or IMPDP operation must have read and write permission on that directory object
D. Oracle Data Pump export and import operations can be performed only by users with the SYSDBA privilege
E. Oracle Data Pump export operations invoked from the clients that are connected remotely by using a connection string, create Data Pump files on the client file system
عرض الإجابة
اجابة صحيحة: D
السؤال #8
You create a locally managed tablespace ORDERS_TBS with automatic segment management. You then create the table DAILY_ORDS_LST in the ORDERS_TBS tablespace using the command. CREATE TABLE daily_ords_1st(ordno NUMBER, ord_date DATE) PCTFREE 20; How does the PCTFREE storage parameter influence data storage for this table?
A. It allows only 80% of space to be occupied in all data blocks of this table
B. It minimizes row chaining during row insertion
C. It minimizes row migration during existing row data updation
D. It automatically coalesces free space of a data block when it reaches 20% of available spac
عرض الإجابة
اجابة صحيحة: B

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