1Z0-053 | The Updated Guide To 1Z0-053 practice test
Q291. Which statement about the enabling of table compression in Oracle Database 11g is true?
A. Compression can be enabled at the table, tablespace, or partition level for direct loads only.
B. Compression can be enabled only at the table level for both direct loads and conventional DML.
C. Compression can be enabled at the table, tablespace, or partition level for conventional DML only.
D. Compression can be enabled at the table, tablespace, or partition level for both direct loads and conventional DML.
Answer: D
Q292. You have lost all your RMAN backup set pieces due to a disk failure. Unfortunately, you have an automated cross-check script that also does a delete expired backupset command. You have restored all the backup set pieces from tape. What command would you use to get those backup set pieces registered in the recovery catalog and the control file of the database again?
A. register database
B. recover catalog
C. load backupset
D. synch metadata
E. catalog start with
Answer: E
Q293. View the Exhibit that sets the threshold for the Current Open Cursors Count metric.
Why is the Significance Level threshold type not available in the threshold setting?
A. because AWR baseline is not enabled
B. because Current Open Cursors Count is not a basic metric
C. because the STATISTICS_LEVEL parameter is set to BASIC
D. because the AWR baseline is a system-defined moving window baseline
Answer: B
Q294. Which DBMS_SCHEDULER procedure(s) can be used to alter an existing job? (Choose all that apply.)
A. SET_ATTRIBUTE_NULL
B. ALTER_JOB
C. ALTER_JOB_PARAMETERS
D. ALTER
E. SET_ATTRIBUTE
Answer: AE
Q295. You are working on a CATDB database that contains an Oracle Database version 11.1 catalog schema owned by the user RCO11. The INST1 database contains an Oracle Database version 10.1 catalog schema owned by the user RCAT10.
You want the RMAN to import metadata for database IDs 1423241 and 1423242, registered in RCAT10, into the recovery catalog owned by RCO11. You executed the following commands:
RMAN> CONNECT CATALOG rco11/password@catdb
RMAN> IMPORT CATALOG rcat10/oracle@inst1 NO UNREGISTER;
Which two statements are true regarding the tasks accomplished with these commands? (Choose two.)
A. They import all metadata from the RCAT10 catalog.
B. They unregister the database from the RCAT10 catalog.
C. They do not register the databases registered in the RCAT10 catalog.
D. They register all databases registered in the RCAT10 catalog.
Answer: AD
Q296. You run the SQL Tuning Advisor (STA) to tune a SQL statement that is part of a fixed SQL plan baseline. The STA generates a SQL profile for the SQL statement, which recommends that you accept the profile. Which statement is true when you accept the suggested SQL profile?
A. The tuned plan is not added to the SQL plan baseline.
B. The tuned plan is added to the fixed SQL plan baseline as a fixed plan.
C. The tuned plan is added to the fixed SQL plan baseline as a nonfixed plan.
D. The tuned plan is added to a new nonfixed SQL plan baseline as a nonfixed plan.
Answer: C
Q297. A PL/SQL procedure queries only those columns of a redefined table that were unchanged by the online table redefinition. What happens to the PL/SQL procedure after the online table redefinition?
A. It remains valid.
B. It becomes invalid for all options of online table redefinition but automatically gets revalidated the next time it is used.
C. It becomes invalid for all options of online table redefinition and is automatically recompiled during online redefinition of the table.
D. It becomes invalid only if the storage parameters have been modified and it automatically gets revalidated the next time it is used.
Answer: A
Q298. View the Exhibit exhibit1 to examine the series of SQL commands.
View the Exhibit exhibit2 to examine the plans available in the SQL plan baseline. The baseline in the first row of the Exhibit is created when OPTIMIZER_MODE was set to FIRST_ROWS.
Which statement is true if the SQL query in exhibit1 is executed again when the value of OPTIMIZER_MODE is set to FIRST_ROWS?
A. The optimizer uses a new plan because none of the plans in the exhibit2 are fixed plans.
B. The optimizer uses the plan in the second row of the exhibit2 because it is an accepted plan.
C. The optimizer uses the plan in the first row of the exhibit2 because it is the latest generated plan.
D. The optimizer uses the plan in the first row of the exhibit2 because OPTIMIZER_MODE was set to FIRST_ROW during its creation.
Answer: B
Q299. Which of the following most closely represents an image copy?
A. Unix cp command of a file
B. Bit-by-bit copy of a file
C. Windows COPY command of a file
D. All of the above
Answer: D
Q300. Which of the following are valid settings for the NLS_COMP parameter? (Choose all that apply.)
A. ASCII
B. ANSI
C. BINARY
D. MONOLINGUAL
E. MULTILINGUAL
Answer: BC