1Z0-053 | Updated 1Z0-053 Exam Study Guides With New Update Exam Questions
Q241. What will be the end result of this set of RMAN commands?
shutdown abort
startup mount
restore datafile 4 until time `09/30/2008:15:00:00'
recover datafile 4 until time `09/29/2008:15:00:00'
alter database open resetlogs;
A. Datafile 4 will be recovered until 9/30/2008 at 15:00 and the database will open.
B. The restore command will fail.
C. The recover command will fail.
D. The alter database open resetlogs command will fail.
E. All these commands will fail because they must be in the confines of a run block.
Answer: D
Q242. You have applications that have frequently executed queries, and produce small and static result sets.
You configure the sqlnet.ora file in the client machine to set a nonzero value for the OCI_RESULT_CACHE_MAX_SIZE parameter.
What is the purpose of this configuration?
A. to avoid round trips to the server by enabling caching of query results in client memory
B. to improve performance by storing a copy of the data from the private SQL area of the PGA
C. to enhance the query performance by creating a cache in the client memory for sorting operations
D. to avoid the storing of query plans and results in the server by creating a cache in the client memory
Answer: A
Q243. Which view shows all valid values for the NLS_LANGUAGE, NLS_SORT, NLS_TERRITORY, and NLS_CHARACTERSET parameters?
A. V$VALID_NLS_VALUES
B. NLS_VALID_VALUES
C. NLS_VALUE_OPTIONS
D. V$NLS_VALUE_OPTIONS
E. V$NLS_VALID_VALUES
Answer: E
Q244. You want to perform an RMAN backup of database as a copy. Which two factors will you consider while performing the backup operation? (Choose two).
A. The backup as copy can only be taken to disk
B. The backup as copy can only be taken to tape
C. Backup can be performed only when the instance is shutdown
D. Backup will constitute all used and unused blocks in the database
Answer: AD
Q245. You want the Automatic SQL Tuning process to stop accepting and implementing the recommended SQL profiles automatically. Which action would you perform to achieve this?
A. Edit the automatic maintenance window group configuration.
B. Set the CURSOR_SHARING parameter to EXACT for the database instance.
C. Use the DBMS_SQLTUNE.SET_TUNING_TASK_PARAMETERS procedure to set ACCEPT_SQL_PROFILES to FALSE.
D. Set the SQLTUNE_CATEGORY parameter to DEFAULT for the database instance.
Answer: C
Q246. Which statement is true regarding online redefinition for the migration of BasicFile LOBs to SecureFile LOBs?
A. It cannot be done in parallel.
B. It can be done at the table level or partition level.
C. It does not require additional storage because the operation is done online.
D. Local and global indexes are maintained automatically during the operation.
Answer: B
Q247. You are in the process of creating a virtual private catalog in your Oracle Database 11g database. The PROD1, PROD2, and PROD3 Oracle Database 10g databases are registered in the base recovery catalog. The database user who owns the base recovery catalog is CATOWNER. CATOWNER executes the following command to grant privileges to a new user VPC1 using Oracle Database 11g RMAN executables:
RMAN> GRANT CATALOG FOR DATABASE prod1, prod2 TO vpc1;
Then you issue the following commands:
RMAN> CONNECT CATALOG vpc1/oracle@catdb;
RMAN> SQL "EXEC catowner.dbms_rcvcat.create_virtual_catalog;"
What is the outcome of the above commands?
A. They execute and create a virtual catalog for pre-Oracle 11g clients.
B. They produce an error because PROD1 and PROD2 databases belong to the older version.
C. They produce an error because you need to connect as CATOWNER to execute this packaged procedure.
D. They produce an error because you need to connect to the target database to execute this packaged procedure.
Answer: A
Q248. Over the course of a day, a department performed multiple DML statements (inserts, updates, deletes) on multiple rows of data in multiple tables. The manager would like a report showing the time, table name, and DML type for all changes that were made. Which Flashback technology would be the best choice to produce the list?
A. Flashback Drop
B. Flashback Query
C. Flashback Transaction Query
D. Flashback Versions Query
E. Flashback Table
Answer: C
Q249. Which statement about recovering from the loss of a redo log group is true?
A. If the lost redo log group is ACTIVE, you should first attempt to clear the log file.
B. If the lost redo log group is CURRENT, you must clear the log file.
C. If the lost redo log group is ACTIVE, you must restore, perform cancel-based incomplete recovery, and open the database using the RESETLOGS option.
D. If the lost redo log group is CURRENT, you must restore, perform cancel-based incomplete recovery, and open the database using the RESETLOGS option.
Answer: D
Q250. View the Exhibit to examine the error during the database startup.
You open an RMAN session for the database instance. To repair the failure, you executed the following as the first command in the RMAN session:
RMAN> REPAIR FAILURE;
Which statement describes the consequence of the command?
A. The command performs the recovery and closes the failures.
B. The command only displays the advice and the RMAN script required for repair.
C. The command produces an error because the ADVISE FAILURE command has not been executed before the REPAIR FAILURE command.
D. The command executes the RMAN script to repair the failure and removes the entry from the Automatic Diagnostic Repository (ADR).
Answer: C