TESTED 14 Jan
1Z0-053 Online Practice Questions and Answers
Which two statements are true regarding the functionality of the remap command in ASMCMD? (Choose two.)
A. It repairs blocks that have read disk I/O errors.
B. It checks whether the alias metadata directory and the file directory are linked correctly.
C. It repairs blocks by always reading them from the mirror copy and writing them to the original location.
D. It reads the blocks from a good copy of an ASM mirror and rewrites them to an alternate location on disk if the blocks on the original location cannot be read properly.
As DBA for the Rebalance, you have decided that you need to facilitate some redundancy in your database. Using ASM, you want to create a disk group that will provide for the greatest amount of redundancy for your ASM data (you do not have advanced SAN mirroring technology available to you, unfortunately).
Which of the following commands would create a disk group that would offer the maximum in data redundancy?
A. B. C. D. E.
The NLS_LANGUAGE parameter specifies the default conventions to be used for which of the following globalization elements?
A. Languages for server messages
B. Day and month names and abbreviations
C. Symbols to represent a.m., p.m., AD, and BC
D. Affirmative and negative response strings (YES, NO)
E. None of the above
F. All of the above
Which of the following tasks is not performed by the job coordinator?
A. Update job log when a job completes
B. Spawn and remove job slaves
C. Write/read job info to/from memory cache
D. Query job table
E. Pass job information to job slaves
Evaluate the following command and its output: SQL>SELECT * FROM dba_temp_free_space;
TABLESPACE_NAME TABLESPACE_SIZE ALLOCATED_SPACE FREE_SPACE =============== =============== =============== ========== LMTEMP 250609664 101048576 149561088
Which two statements correctly interpret the output? (Choose two.)
A. FREE_SPACE indicates only the space that is currently unallocated.
B. ALLOCATED_SPACE indicates only the space currently allocated and in use.
C. FREE_SPACE indicates only the space that is currently allocated and available for reuse.
D. ALLOCATED_SPACE indicates both the space currently allocated and used, and the space that is available for reuse.
E. FREE_SPACE indicates both the space that is currently allocated and available for reuse, and the space that is currently unallocated.
Which statement most accurately describes the implementation of a SQL Access Advisor recommendation?
A. SQL Access Advisor recommendations are automatically implemented.
B. Individual SQL Access Advisor recommendations can be scheduled for implementation.
C. All SQL Access Advisor recommendations for a specific task must be implemented at the same time.
D. SQL Access Advisor recommendations are automatically scheduled for implementation during the maintenance window.
E. None of the above.
Which of the following information will be gathered by the SQL Test Case Builder for the problems pertaining to SQL-related problems? (Choose all that apply.)
A. ADR diagnostic files
B. all the optimizer statistics
C. initialization parameter settings
D. PL/SQL functions, procedures, and packages
E. the table and index definitions and actual data
You executed the following PL/SQL block successfully:
The above command produces Automatic Database Diagnostic Monitor (ADDM) analysis ____.
A. with the CPU Usage finding if it is less than 90
B. without the CPU Usage finding if it is less than 90
C. with the CPU Usage finding for snapshots below 90
D. with the CPU Usage finding for snapshots not between 150 and 162
Which of the following are NOT fundamental tasks of the Support Workbench? (Choose all that apply.)
A. View long-running SQL workloads
B. View problem details
C. Gather additional diagnostic information
D. Create a Service Request
E. Clean up incident data after upload to Oracle Support
Consider the following command: backup database plus archivelog delete input;
How many backup sets would be created by this command if the following were true:
Control-file auto backups were enabled. The size of backup sets was not restricted. One channel was allocated.
A. 1
B. 2
C. 3
D. 4
E. 5
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