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New Oracle 1z0-052 Exam Dumps Collection (Question 1 - Question 10)

Question No: 1

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

Question No: 2

You want to create a role to meet these requirements:

1. The role is to be protected from unauthorized usage.

2. The password of the role is not to be embedded in the application source code or stored in a table.

Which method would you use to restrict enabling of such roles?

A. Create the role with external authentication.

B. Create the role as a secure application role.

C. Create the role as a password-protected role.

D. Create a role and use Fine-Grained Access Control (FGAC) to secure the role.

Answer: B

Question No: 3

You want to access employee details contained in flat files as part of the EMPLOYEE table. You plan to add a new column to the EMPLOYEE table to achieve this.

Which data types would you use for the new column?

A. CLOB

B. BLOB

C. BFILE

D. LONG RAW

Answer: C

Question No: 4

You have recently collected statistics on certain objects of a schema in your database. But you observe suboptimal execution plans for the queries on these objects after two days of statistics collection. The optimizer statistics retention period is set to its default value.

Which action would help to use the previous set of statistics on the objects?

A. Restore statistics from statistics history.

B. Reduce the optimizer statistics retention period by 2 days.

C. Set the OPTIMIZER_PENDING_STATISTICS parameter to TRUE.

D. Reduce the Automatic Workload Repository (AWR) retention period by 2 days.

Answer: A

Question No: 5

You are managing an Oracle Database 11g database. The database is open, and you plan to perform Recovery Manager (RMAN) backups.

Which three statements are true about these backups? (Choose three.)

A. The backups would be consistent.

B. The backups would be inconsistent.

C. The backups would be possible only if the database is running in ARCHIVELOG mode.

D. The backups would be possible only if the database is running in NOARCHIVELOG mode.

E. The backups need to be restored and the database has to be recovered in case of a media failure.

Answer: B,C,E

Explanation:

u2022Recovery Manager (RMAX): Oracle Tool that provides a complete solution for the backup, restoration, and recovery needs of the entire database or of specific database files

Question No: 6

You have statistics collected for some selected tables. Your requirement is that the statistics for the tables and all dependent indexes must not be overwritten by further statistics collection until a certain point of time. How would you achieve this?

A. Lock statistics for the tables.

B. Change STALE_PERCENT to zero for the tables.

C. Set the TIMED_STATISTICS parameter to TRUE.

D. Set the STATISTICS_LEVEL parameter to BASIC.

E. Set the OPTIMIZER_USE_PENDING parameter statistics to TRUE.

Answer: A

Explanation:

Statistics are collections of data that provide more details about the database and the objects in it. Optimizer statistics are used by the query optimizer to choose the best execution plan for each SQL statement. Database statistics provide information for performance monitoring.

Question No: 7

Which statement is true about the UNDO_RETENTION parameter when retention guarantee is not enabled?

A. It is the time period after which the undo data becomes obsolete.

B. It is the time period after which the committed undo data would be transferred to a temporary tablespace.

C. It is the minimum time period up to which the committed undo data would be retained if free undo space is available.

D. It is the time period after which the undo data is transferred to the Flash Recovery Area to provide read consistency.

Answer: C

Question No: 8

The instance abnormally terminates because of a power outage. Which statement is true about redo log files during instance recovery?

A. Inactive and current redo log files are required to accomplish recovery

B. Online and archived redo files are required to accomplish instance recovery

C. All redo log entries after the last checkpoint are applied from redo log files to data files

D. All redo log entries recorded in the current log file until the checkpoint position are applied to data files

Answer: C

Question No: 9

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

Question No: 10

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

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