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2021 Jan 1z0-052 exam:

Q11. Your database is configured in shared server mode. However, your senior DBA asks you to modify the value of the PRIVATE_SGA limit in the profile of the users.

What could be the reason for this?

A. To limit the User Global Area (UGA) memory allocated to a session from the SGA

B. To limit the amount of memory to be used for the dispatcher queue of a session in SGA

C. To limit the amount of memory to be used for the request pool in System Global Area (SGA)

D. To control the amount of memory allocated in SGA for the local variables for each shared server process

Answer: A

Q12. You want to check the details of few errors that users have reported. You search for the alert log file and execute few commands to find the location of the alert log file.

View the Exhibit and check the commands executed.

What is the location of the alert_orcl.log file?



C. /u01/app/oracle/admin/orcl/adump

D. /u01/app/oracle/flash_recovery_area

E. ORACLE_BASE/diag/rdbms/orcl/alert

F. ORACLE_BASE/diag/rdbms/orcl/orcl/trace

Answer: F

Q13. In which of the scenario will the DBA perform recovery? (Choose all that apply.)

A. The alert log file is corrupted

B. A tablespace is accidentally dropped

C. One of the redo log members is corrupted

D. A database user terminates the session abnormally

E. The hard disk on which the data files is stored is corrupted

Answer: BE

Q14. View the Exhibit and examine the initialization parameter settings.

Which three initialization parameters are to be set manually as they are not automatically tuned? (Choose three.)







Answer: AEF

Q15. Identify the memory component from which memory may be allocated for:

Session memory for the shared serverBuffers for I/O slavesOracle Database Recovery Manager (RMAN) backup and restore operations

A. Large Pool

B. Redo Log Buffer

C. Database Buffer Cache

D. Program Global Area (PGA)

Answer: A

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Q16. In which situations does the Oracle Data Pump use external tables and not the direct path load while exporting a table? (Choose all that apply.)

A. if a table is not in a cluster

B. if a table has an active trigger

C. if a table has an encrypted column

D. if a table has a column of data type LONG defined on it

E. if a table has a referential integrity constraint defined on it

Answer: BCE

Q17. View the Exhibit to examine the output for the CROSSCHECK BACKUP command.

Which statement is true about the output of the command?

A. The backup piece is expired as the new backup is available

B. The backup piece is expired because the operating-system file was not found

C. The backup piece is expired because the retention period for the backup has expired

D. The backup piece is expired because the backup set to which it belongs is not complete

Answer: B

Q18. Which two statements are true about setting the FAST_START_MTTR_TARGET initialization parameter to a nonzero value? (Choose two.)

A. The MTTR advisor will be disabled

B. Automatic checkpoint tuning will be enabled

C. The value for the LOG_CHECKPOINT_INTERVAL initialization parameter will be override the value for FAST_START_MTTR_TARGET

D. The time taken to recover the instance after the crash is always exactly the same as the value given for the FAST_START_MTTR_TARGET initialization parameter

Answer: BC

Q19. You execute this command to drop the ITEM table, which has the primary key referred in the ORDERS table:


Which two statements are true about the effect of the command? (Choose two.)

A. No flashback is possible to bring back the ITEM table.

B. The ORDERS table is dropped along with the ITEM table.

C. The dependent referential integrity constraints in the ORDERS table are disabled.

D. The dependent referential integrity constraints in the ORDERS table are removed.

E. The table definition of the ITEM table and associated indexes are placed in the recycle bin.

Answer: AD

Q20. In your production database, data manipulation language (DML) operations are executed on the SALES table.

You have noticed some dubious values in the SALES table during the last few days. You are able to track users, actions taken, and the time of the action for this particular period but the changes in data are not tracked. You decide to keep track of both the old data and new data in the table long with the user information.

What action would you take to achieve this task?

A. Apply fine-grained auditing.

B. Implement value-based auditing.

C. Impose standard database auditing to audit object privileges.

D. Impose standard database auditing to audit SQL statements.

Answer: B