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Vce 1z0-083 Questions Latest

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Total 286 questions

Oracle Database Administration II Questions and Answers

Question 77

Examine the statements that use flashback technologies:

FLASHBACK TABLE customers TO TIMESTAMP TO_TIMESTAMP('2013-02-04 09:30:00', 'YYYYMM¬DD HH:MI:SS');

SELECT * FROM customers AS OF SCN 123456;

FLASHBACK TABLE customers TO BEFORE DROP;

FLASHBACK DATABASE TO TIMESTAMP TO_TIMESTAMP('2013-02-04 09:30:00', 'YYYY-MM-DD HH:MI:SS');

SELECT * FROM customers VERSIONS BETWEEN SCN 123456 AND 123999;

ALTER TABLE customers FLASHBACK ARCHIVE; Which set ofstatements depends on the availability of relevant undo data in the undo tablespace?

Options:

A.

1,3,6

B.

1,2,5

C.

3,4,5

D.

2,3,5,6

Question 78

Which three are true about upgrading Oracle Grid Infrastructure? (Choose three.)

Options:

A.

A direct upgrade can be performed only from the immediately preceding Oracle Grid Infrastructure version.

B.

The newer version is installed in a separate Oracle Grid Infrastructure home on the same server as the existing version.

C.

An existing Oracle base can be used.

D.

The upgrade process will automatically install all mandatory patches for the current version of Oracle Grid Infrastructure.

E.

Existing Oracle Database instances must be shut down before starting the upgrade.

F.

Only the grid user can perform the upgrade.

Question 79

Examine the RMAN command: RMAN> RUN { ALLOCATE CHANNEL c1 DEVICE TYPE sbt; ALLOCATE CHANNEL c2 DEVICE TYPE sbt; ALLOCATE CHANNEL c3 DEVICE TYPE sbt; BACKUP INCREMENTAL LEVEL = 0 (DATAFILE 1,4,5 CHANNEL c1) (DATAFILE 2,3,9 CHANNEL c2) (DATAFILE 6,7,8 CHANNEL c3); SQL 'ALTER SYSTEM ARCHIVE LOG CURRENT'; } Which statement is true about the command?

Options:

A.

It uses multisection backup.

B.

It uses parallelization for the backup set.

C.

It uses asynchronousI/O for the backup.

D.

It creates compressed backup sets.

Question 80

Choose three. Which three are performed by Oracle Automatic Storage Management (ASM) instances?

Options:

A.

mounting disk groups

B.

acting as an I/O server to read data file blocks from ASM disks on behalf of database server processes

C.

managing extent allocation for Oracle database segments

D.

managing Allocation Units (AUs) for disk group content

E.

managing space allocation for Oracle ASM files

F.

acting as an I/O server to write data file blocks to ASM disks on behalf of Database Writer processes (DBWn)

Page: 20 / 21
Total 286 questions