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2021 Jan 1Z0-052 training

Q31. Identify the two situations in which you use the alert log file in your database to check the details. (Choose two.)

A. Running a query on a table returns "ORA-600: Internal Error."

B. Inserting a value in a table returns "ORA-01722: invalid number."

C. Creating a table returns "ORA-00955: name is already used by an existing object."

D. Inserting a value in a table returns "ORA-00001: unique constraint (SYS.PK_TECHP) violated."

E. Inserting a row in a table returns "ORA-00060: deadlock detected while waiting for resource."

Answer: AE


Q32. Which statement is true about loading data using the conventional path of SQL*Loader?

A. Redo is not generated while performing conventional path loads

B. Only PRIMARY KEY, UNIQUE KEY and NOT NULL constraints are checked

C. No exclusive locks are acquired when the conventional path loads are performed

D. Instead of performing transactions, SQL*Loader directly writes data blocks to the data files

E. INSERT triggers are disabled before the conventional path load and reenabled at the end of the load

Answer: C


Q33. You receive complaints from users regarding the high waiting time for their transactions. On investigation, you find that some users are not committing their transactions though they are not performing any activity for a long time. As a result, SQL statements need to wait for rowlevel locks.

Which two actions could you take to prevent this locking problem in the future? (Choose two.)

A. Decrease the IDLE_TIME resource limit in the profile assigned to the blocking users.

B. Use Database Resource Manager to automatically log out sessions that block others and are idle

C. Set the limit in the profile of blocking users to control the number of blocks to be accessed in a session.

D. Decrease the maximum number of interested transaction list (ITL) slots for the segments on which the blocking user performs the transaction.

Answer: AB


Q34. Why does performance degrade when many UPDATE, INSERT or DELETE statements are issued on a table that has an associated bitmap index?

A. The DML operations re-create the bitmap index blocks

B. The bitmap index is rebuilt automatically after a DML operation

C. The smallest amount of a bitmap that can be locked is a bitmap segment

D. Additional time is taken to remove NULL values from the bitmap index after a DML operation

Answer: C


Q35. You suspect unauthorized data manipulation language (DML) operations on a particular table. You want to track users who are performing the transactions and the values used in the transactions.

You also plan to transfer these values to another table for analysis. How would you achieve this?

A. by using triggers

B. by using Data Pump

C. by using external tables

D. by using anonymous PL/SQL blocks

Answer: A


Up to the minute 1Z0-052 test question:

Q36. Identify the logical structure that will never have more than one data segment created for it.

A. external table

B. partitioned table

C. partitioned index

D. nonclustered table

E. global temporary table

Answer: D


Q37. 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.)

A. LOG_BUFFER

B. SORT_AREA_SIZE

C. JAVA_POOL_SIZE

D. STREAMS_POOL_SIZE

E. DB_16K_CACHE_SIZE

F. DB_KEEP_CACHE_SIZE

Answer: AEF


Q38. Which two statements are true regarding listeners? (Choose two.)

A. Listeners use only the TCP/IP protocol.

B. Multiple listener processes can run simultaneously on a host.

C. Multiple database instances can be registered with a single listener.

D. The listener-related errors can be traced only at the administrative level.

E. Only one database instance can be registered with a single listener at any time.

Answer: BC


Q39. You executed the following commands to find the location of the alert log file:

Where is the alert log file stored? (Choose all that apply.)

A. in the BACKGROUND_DUMP_DEST location; in text format

B. in the BACKGROUND_DUMP_DEST location; in XML format

C. in the BACKGROUND_DUMP_DEST location; in both text and XML format 

D. in the DIAGNOSTIC_DEST/diag/rdbms/orcl/orcl/alert directory; in text format 

E. in the DIAGNOSTIC_DEST/diag/rdbms/orcl/orcl/alert directory; in XML format

F. in the DIAGNOSTIC_DEST/diag/rdbms/orcl/orcl/alert directory; in both text and XML format

Answer: A,E


Q40. Which task would you perform before you run Oracle Universal Installer (OUI) in silent or suppressed mode for an installation?

A. Run the root.sh script.

B. Create the oraInst.loc file.

C. Create the tnsnames.ora file.

D. Run the oraInstRoot.sh script.

Answer: B