Exam Code: 1Z0-052 (Practice Exam Latest Test Questions VCE PDF)
Exam Name: Oracle Database 11g: Administration I
Certification Provider: Oracle
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2016 Jun 1Z0-052 Study Guide Questions:

Q11. The user SCOTT owns the CUST table that is placed in the SALES tablespace. The user SCOTT opens a session and executes commands as follows:

SQL> INSERT INTO cust VALUES(101, 'JACK');

1 row created.

SQL> INSERT INTO cust VALUES(102, 'SMITH');

1 row created.

As a DBA, you execute the following command from another session:

ALTER TABLESPACE sales READ ONLY;

Which statement is true regarding the effect of this command on the transaction in Scott's session?

A. The command fails as a transaction is still pending.

B. The transaction in Scott's session is rolled back and the tablespace becomes readonly.

C. The command waits and the user SCOTT can execute data manipulation language (DML) statements only as part of the current transaction.

D. The command hangs until all transactions on the objects in the tablespace commit or rollback, and then the tablespace is placed in readonly mode.

Answer: D


Q12. View Exhibit1 and Exhibit2 to examine the current memory allocation and parameter settings, respectively. Why are advisors not available for the shared pool and the buffer cache?


A. because the DB_CACHE_ADVICE parameter is set to OFF

B. because Automatic Memory Management (AMM) is disabled for the database instance

C. because Automatic Shared Memory Management (ASMM) is enabled for the database instance

D. because the values for the DB_CACHE_SIZE and SHARED_POOL_SIZE parameters were not set initially

Answer: C


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


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Q14. View the Exhibit and examine the parameters. User A executes the following command to update the TRANS table:

SQL> UPDATE B.trans SET tr_amt=tr_amt+500 WHERE c_code='C005'

Before user A issues a COMMIT or ROLLBACK command, user B executes the following command on the TRANS table:

SQL> ALTER TABLE trans MODIFY (tr_type VARCHAR2(3));

What would happen in this scenario?

Exhibit:


A. The ALTER TABLE command modifies the column successfully

B. The DDL operation gets higher priority and transaction for user A is rolled back

C. The ALETER TABLE command waits indefinitely until user A ends the transaction

D. The ALTER TABLE command fails after waiting for 60 seconds due to the resource being busy

Answer: D


Q15. 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


Q16. View the Exhibit to examine the error that occurred during the database startup.

You opened an RMAN session for the database. To repair the failure, you executed the following command as the first RMAN command:

RMAN> REPAIR FAILURE;

Which statement describes the consequence of this command?


A. The command performs the recovery and closes the failure

B. The command only displays the advice and the RMAN script required for recovery

C. The command executes the RMAN script to repair the failure and remove the entry from the Automatic Diagnostic Repository (ADR)

D. The command produces an error because the ADVISE FAILURE command was not executed before the REPAIR FAILURE command

Answer: D


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Q17. A user, who is authenticated externally, logs in to a remote machine and connects to the database instance. What action would you take to ensure that a user cannot connect to the database instance by merely logging in to a remote machine?

A. Set REMOTE_OS_ROLES to FALSE

B. Set OS_ROLES parameter to FALSE

C. Set the REMOTE_OS_AUTHENT parameter to FALSE

D. Set the REMOTE_LOGIN_PASSWORD_FILE parameter to NONE

Answer: C


Q18. Which statements are true regarding the creation of an incident package file by using the EM Workbench Support? (Choose all that apply.)

A. You can add SQL test cases to the incident package.

B. You can add or remove the trace files to the package.

C. You cannot create an incremental incident package when the physical files are purged from the ADR.

D. You can create the incremental incident package ZIP file for new or modified diagnostic information for the incident package already created.

Answer: ABD


Q19. Which three operations require undo data? (Choose three.)

A. Committing a transaction

B. Flashing back a transaction

C. Recovering a failed transaction

D. Running a read-consistent query

E. Changing a tablespace status from READ ONLY to READ WRITE

Answer: BCD


Q20. Your database is in shutdown state. What will happend if you issue next command:

SQL> startup


A. instance will started

B. instance started and DB is mounted

C. instance started, DB opened and finally mounted

D. instance started, DB mounted and finally opened

Answer: D