Free Download Oracle 1Z0-053 VCE Test Engine Full Version Now (41-50)

QUESTION 41
Exhibit:

image
View the Exhibit for some of the current parameter settings. A user logs in to the HR schema and
issues the following commands:
SQL> CREATE TABLE emp (empno NUMBER(3), ename VARCHAR2(20), sal NUMBER(8,2));
SQL> INSERT INTO emp(empno,ename) VALUES(1,’JAMES’);
At this moment, a second user also logs in to the HR schema and issues the following command:
SQL> ALTER TABLE emp MODIFY sal NUMBER(10,2);
What happens in the above scenario?

A.    The second user’s session immediately produces the resource busy error.
B.    The second user’s command executes successfully.
C.    The second user’s session waits for a time period before producing the resource busy error.
D.    A deadlock is created.

Answer: C

QUESTION 42
In which situations will the ASM metadata backup help you recover the ASM disk in a disk group? (Choose all that apply.)

A.    when one or more file directory paths are accidentally deleted from an ASM disk group
B.    when one of the disks in a disk group is accidentaly unplugged
C.    when the data file on an ASM disk group gets corrupted
D.    when one or more disks in an ASM disk group are lost

Answer: AD

QUESTION 43
Which two are the prerequisites to enable Flashback Data Archive? (Choose two.)

A.    Database must be running in archivelog mode.
B.    Automatic undo management must be enabled.
C.    Undo retention guarantee must be enabled.
D.    The tablespace on which the Flashback Data Archive is created must be managed with Automatic
Segment Space Management (ASSM).

Answer: BD

QUESTION 44
In your database, the RESULT_CACHE_MODE parameter has been set to MANUAL in the initialization parameter file. You issued the following command:
SQL>SELECT /*+ RESULT_CACHE */ sale_category, sum(sale_amt)
FROM sales
GROUP BY sale_category;
Where would the result of this query be stored?

A.    database buffer cache
B.    shared pool
C.    PGA
D.    large pool

Answer: B

QUESTION 45
You need to perform an online table redefinition of an existing SALES table to partition it into two tablespaces TBS1 and TBS2. The SALES table has a materialized view, materialized log, indexes, referential integrity constraint, and triggers with the PRECEDES clause existing on it. What action is required for dependent objects when you perform online table redefinition?

A.    The dependent materialized view should have a complete refresh performed after the online table
redefinition process.
B.    Triggers with the PRECEDES clause should be disabled before the online table redefinition process.
C.    Referential integrity constraints must be manually enabled after the online table redefinition process.
D.    The materialized log should be dropped before the online table redefinition process.

Answer: A

QUESTION 46
You want to take the backup of the USERS tablespace. It has a single data file of 900 MB. You have tape drives of 300 MB each. The SBT channel is configured for the RMAN. To accomplish the backup, you issued the following RMAN command:
RMAN> BACKUP SECTION SIZE 300M TABLESPACE users;
Which two statements are true regarding the execution of the above command? (Choose two.)

A.    The RMAN parallelizes the backup although the parallelism is not set for a channel.
B.    The backup piece size will be limited to 300 MB.
C.    The operation is accomplished using the default channel available.
D.    Three channels for the tape drive must be configured by setting the parallelism to three.

Answer: BC

QUESTION 47
You installed Oracle Database 11g afresh. Which statements are true regarding the default audit settings in this database? (Choose all that apply.)

A.    The audit trail is stored in an operating system file.
B.    Auditing is disabled for all privileges.
C.    The audit trail is stored in the database.
D.    Auditing is enabled for all privileges.
E.    Auditing is enabled for certain privileges related to database security.

Answer: CE

QUESTION 48
Which dependent object will get invalidated even if it is not affected by the table edefinition?

A.    packages
B.    triggers
C.    synonyms
D.    views

Answer: B

QUESTION 49
You perform a backup using the following BACKUP command:
RMAN> BACKUP AS COMPRESSED BACKUPSET DATABASE;
Which statement is true of this command?

A.    A different procedure is required to restore a database from compressed backups
B.    The AS COMPRESSED clause of the BACKUP command provided by RMAN is used to create
compressed backup sets and image copies.
C.    Using this command to create backups minimizes the bandwidth consumed
D.    Using this command to create backups improves the performance of the backup process

Answer: C

QUESTION 50
You have enabled backup optimization in RMAN. You issue the following RMAN command to configure a redundancy-based retention policy:
CONFIGURE RETENTION POLICY TO REDUNDANCY 3;
Which statement is true?

A.    The command fails because you cannot configure a redundancy-based retention policy when
backup optimization is enabled
B.    Backup optimization is performed, but RMAN considers the redundancy-based retention policy
when it determines which datafiles should be backed up
C.    Backup optimization is permanently disabled
D.    Backup optimization is temporarily disabled because a redundancy-based retention policy is specified

Answer: B

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