Free Download Oracle 1Z0-053 VCE Test Engine Full Version Now (381-390)

QUESTION 381
Which statement is true about a running session that belongs to the online transaction processing (OLTP) group?

A.    It permanently switches to the low_group consumer group if the session exceeds 10,000 I/O requests
or 2,500 MB of data transfer.
B.    It performs the first 10000 I/O requests or 2,500 MB of data transfer in the LOW-GROUP consumer
group, and then switches to the original group.
C.    It switches to the LOW_GROUP consumer group if the session exceeds 10000 I/O requests or 2500
MB of data transfer and returns to the original group after the operation.
D.    It switches to the LOW_GROUP consumer group if the session exceeds 10000 I/O requests or 2500
MB of data transfer for queries, but not for data manipulation language (DML) operations.

Answer: C
Explanation:
http://docs.oracle.com/cd/E11882_01/appdev.112/e40758/d_resmgr.htm#ARPLS67611
http://docs.oracle.com/cd/E11882_01/server.112/e25494/dbrm.htm#ADMIN12659

QUESTION 382
USER_DATA is a nonencrypted tablespace that contains a set of tables with data. You want to convert all existing data in the USER_DATA tablespace and the new data into the encrypted format. Which methods would you use to achieve this? (Choose all that apply.)

A.    Use Data Pump to transfer the existing data to a new encrypted tablespace.
B.    Use ALTER TABLE. MOVE to transfer the existing data to a new encrypted tablespace.
C.    Use CREATE TABLE AS SELECT to transfer the existing data to a new encrypted tablespace.
D.    Enable row movement for each table to be encrypted and then use ALTER TABLESPACE to encrypt
the tablespace.
E.    Encrypt the USER_DATA tablespace using the ALTER TABLESPACE statement so that all the data in
the tablespace is automatically encrypted.

Answer: ABC

QUESTION 383
Evaluate the following block of code:
BEGIN DBMS_NETWORK_ACL_ADMIN.CREATE_ACL ( acl => ‘mycompany-com-permissions.xml’, principal => ‘ACCT_MGR’, is_grant => TRUE, privilege => ‘connect’);
DBMS_NETWORK_ACL_ADMIN.ASSIGN_ACL ( acl => ‘mycompany-com-permissions.xml’, host => ‘*.mycompany.com’);
END;
What is the outcome of the above code?

A.    It produces an error because a fully qualified host name needs to be specified.
B.    It produces an error because the range of ports associated with the hosts has not been specified.
C.    It creates an access control list (ACL) with the user ACCT_MGR who gets the CONNECT and RESOLVE
privileges.
D.    It creates an access control list (ACL) with the user ACCT_MGR who gets the CONNECT privilege but
not the RESOLVE privilege.

Answer: D

QUESTION 384
Which steps are mandatory to enable Direct NFS?
1. Mount all required file systems using the kernel NFS driver.
2. Create an oranfstab file containing the attributes for each NFS server to be accessed using Direct NFS.
3. Replace the ODM library libodm11.so_stub with libodm11.so.

A.    2 and 3
B.    1 and 3
C.    1 and 2
D.    1, 2 and 3

Answer: B

QUESTION 385
You want to back up your 100-GB database on a remote tape device. You are required to ensure that minimum network bandwidth is consumed while transferring the backups to the tape device. The current consumption of your CPU is approximately 40 percent.
Which type of backup should you perform?

A.    standard backup set
B.    image copy
C.    compressed backup
D.    user-managed backup

Answer: C

QUESTION 386
You execute the following Recovery Manager (RMAN) commands in (he following order:
BACKUP VALIDATE DATABAE
RECOVER CORRUPTION LIST;
Which (two tasks are performed by these commands? (Choose two.)

A.    Repair the corrupted blocks. If any. In the backup created.
B.    Populate VSCOPV_CORRUPTION with names of files that have corrupted blocks-
C.    Back up the database after checking whether array of the files have corrupted blocks.
D.    Discover any corrupt blocks that are viewable with the VSDATABASE_BI-OCK_CORBUPTION view.
E.    Repair all corrupted blocks that have been logged in the VSDATABASE_BLOCK_ CORRUPTION

Answer: DE
Explanation:

QUESTION 387
When executing a SQL workload, you choose to generate execution plans only, without collecting execution statistics.
Which two statements describe the implications of this? (Choose two.)

A.    It produces less accurate results of the comparison analysis.
B.    It automatically calls the SQL Tuning Advisor for recommendations.
C.    It shortens the time of execution and reduces the impact on system resources.
D.    Only the changes in the execution plan, and not performance regression, are detected.

Answer: AC

QUESTION 388
You are managing an Oracle Database 11g database with the ASM storage. The database is having big file tablespaces. You want files to open faster and less memory to be used in the shared pool to manage the extent maps.
What configuration would you effect to achieve your objective? (Choose all that apply.)

A.    Set the ASM compatibility attribute for the ASM disk group to 11.1.0.
B.    Set the RDBMS compatibility attribute for the ASM disk group to 11.1.0.
C.    Set the COMPATIBLE initialization parameter for the ASM instance to 11.1.0.
D.    Set the COMPATIBLE initialization parameter for the database instance to 11.1.0.

Answer: AD

QUESTION 389
You executed the following command in the Recovery Manager (RMAN):
RMAN> REPORT NEED BACKUP days 3;
What is the output of this command?

A.    A list of files that require a backup within 3 days
B.    A list of files requiring more than 3 days of archivelogs to apply
C.    A list of files that RMAN recommends be backed up only once in every three days, based on low volatility
D.    A list of files for which a backup as already been performed in the last three days and which is required
to be backed up again based on the high number of transactions performed on them

Answer: B

QUESTION 390
View the Exhibit.
Examine the following command that is executed for the TRANSPORT table in the SH schema:
SQL> SELECT DBMS_STATS.CREATE_EXTENDED_STATS(‘sh’, ‘customers_obe’, ‘(country_id, cust_state_province)’) FROM dual;
Which statement describes the significance of this command?

A.    It collects statistics into the pending area in the data dictionary.
B.    It creates a virtual hidden column in the CUSTOMERS_OBE table.
C.    It collects statistics with AUTO_SAMPLE_SIZE for ESTIMATE_PERCENT.
D.    It creates a histogram to hold skewed information about the data in the columns.

Answer: B

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