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2021 Nov 1z0-053 exam dumps:
Q151. Which statement describes the effect of table redefinition on the triggers attached to the table?
A. All triggers on the table are invalidated and are automatically revalidated with the next DML execution on the table.
B. All triggers on the table are invalidated and must be manually recompiled before the next DML execution on the table.
C. All triggers on the table remain valid.
D. Only triggers that are affected by the changes to the structure of the table are invalidated and automatically revalidated with the next DML execution on the table.
Q152. Which two statements are correct about database transportation? (Choose two.)
A. The source and target platforms must be the same
B. Redo logs, control files and temp files are also transported
C. The transported database must have the same database identifier (DBID) as the source database and cannot be changed
D. The COMPATIBLE parameter must be set to 10.0.0.0 or higher and the database must be opened in readonly mode before being transported
E. Recovery Manager (RMAN) is used to convert the necessary data files of the database if the target platform is different and has different endian format
Q153. What view would you use to determine if a given tablespace is fully self-contained for the execution of a tablespace point-in-time recovery?
Q154. You need to perform a block media recovery on the tools01.dbf data file in the SALES database by using Recovery Manager (RMAN).
Which two are the prerequisites to perform this operation? (Choose two)
A. You must configure block change tracking file
B. You must have first level 1 backups for RMAN to restore blocks
C. You must ensure that the SALES database is mounted or open
D. You must have full or level 0 backups for RMAN to restore blocks
E. You must take the tools01.dbf data file offline before you start a block media recovery
Q155. When you create a backup control file, where is the resulting file written to?
A. The database user dump destination directory
B. The database diagnostic destination directory
C. To $ORACLE_HOME/rdbms
D. To $ORACLE_HOME/admin
E. To the directory and filename you specify in the command
Most recent oracle database 11g dba 1 1z0-053:
Q156. You want to take the backup of the USERS tablespace. It has a single data file of 900 MB. You have tape drives of 300 MB each. The SBT channel is configured for the RMAN. To accomplish the backup, you issued the following RMAN command:
RMAN> BACKUP SECTION SIZE 300M TABLESPACE users;
Which two statements are true regarding the execution of the above command? (Choose two.)
A. The RMAN parallelizes the backup although the parallelism is not set for a channel.
B. The backup piece size will be limited to 300 MB.
C. The operation is accomplished using the default channel available.
D. Three channels for the tape drive must be configured by setting the parallelism to three.
Q157. Which of the following is not an advantage of block media recovery (BMR)?
A. Reduced MTTR.
B. Datafiles remain offline while corrupt blocks are repaired.
C. Datafiles remain online while corrupt blocks are repaired.
D. A and C
Q158. When executing a SQL workload, you choose to generate execution plans only, without collecting execution statistics. Which two statements describe the implications of this? (Choose two.)
A. It produces less accurate results of the comparison analysis.
B. It automatically calls the SQL Tuning Advisor for recommendations.
C. It shortens the time of execution and reduces the impact on system resources.
D. Only the changes in the execution plan, and not performance regression, are detected.
Q159. Which of these components correctly identify the unique value of the NAME column in the DBA_RESUMABLE view?
A. Username, instance number, session ID
B. Instance number, username, session ID
C. Instance number, session ID, username
D. Username, session ID, instance number
E. None of the above
Q160. Which command is used to begin a tablespace point-in-time recovery?
A. Restore tablespace
B. Recover tablespace
C. Tablespace recover
D. Recover to time
E. recover datafile