Exam Code: 1Z0-053 (Practice Exam Latest Test Questions VCE PDF)
Exam Name: Oracle Database 11g: Administration II
Certification Provider: Oracle
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Q371. View the Exhibits exhibit1 and exhibit2.

Both the processes use PROG_1 as the job template that is already available. The time taken by the jobs are recorded in the TEST_LOG table. While comparing the time taken to create the jobs, the process in exhibit1 takes less time than the process in exhibit2. What is the reason for this?

A. It updates several tables in the SYSTEM tablespace instead of creating new tables.

B. It creates jobs temporarily in memory only.

C. It creates less metadata for the jobs.

D. It writes the job metadata to disk in compressed format.

Answer: C

Q372. The EMP table has some discrepancy in data entry with a particular employee ID. You execute the query as shown in the Exhibit to retrieve all versions of the row that exist between two SCNs.

View the Exhibit.

Which two statements about the results of the query shown in the Exhibit are correct? (Choose two.)


A. The LAST_SCN value in the first row is NULL, which means that the versions of the row still exist at SCN 6636300.

B. The LAST_SCN value in the second row in NULL, which means that the version of the row still exists at SCN 6636300.

C. The LAST_SCN value in the third row is 6636280, which means that the version of row exists above SCN 6636280.

D. The LAST_SCN value in the second row is NULL, which means that the version of the row no longer exists because it was deleted.

Answer: AD

Q373. Note the following statements that use flashback technology:

1. FLASHBACK TABLE <table> TO SCN <scn>;

2. SELECT * FROM <table> AS OF SCN 123456;



5. SELECT * FROM <table> VERSIONS AS OF SCN 123456 AND 123999;

Which of these statements will be dependent on the availability of relevant undo data in the undo segment?

A. 1, 2, and 5

B. 1, 3, and 4

C. 2, 3, 4, and 5

D. 1, 2, 3, 4, and 5

Answer: A

Q374. Which statement is true when Automatic Workload Repository (AWR) baselines are created using baseline templates?

A. AWR baselines are always created as repeating baselines.

B. AWR baselines can be created on the basis of two time values.

C. AWR baselines are always created with infinite expiration duration.

D. AWR baselines are always created using the Automatic Workload Repository (AWR) retention period as expiration duration.

Answer: B

Q375. In which two aspects does hot patching differ from conventional patching? (Choose two.)

A. It consumes more memory compared with conventional patching.

B. It can be installed and uninstalled via OPatch unlike conventional patching.

C. It takes more time to install or uninstall compared with conventional patching.

D. It does not require down time to apply or remove unlike conventional patching.

E. It is not persistent across instance startup and shutdown unlike conventional patching.

Answer: AD

Q376. The NLS_TERRITORY parameter specifies the default conventions to be used for which of the following globalization elements? (Choose all that apply.)

A. Date format

B. Decimal character

C. Group separator

D. First day of the month

E. None of the above

F. All of the above

Answer: ABC

Q377. You are working as a DBA on the decision support system. There is a business requirement to track and store all transactions for at least three years for a few tables in the database. Automatic undo management is enabled in the database. Which configuration should you use to accomplish this task?

A. Enable Flashback Data Archive for the tables.

B. Specify undo retention guarantee for the database.

C. Enable supplemental logging for the database.

D. Query V$UNDOSTAT to determine the amount of undo that will be generated and create an undo tablespace for that size.

E. Create Flashback Data Archive on the tablespace on which the tables are stored.

Answer: A

Q378. Which two statements are true about encrypting RMAN backup? (Choose two.)

A. The transparent encryption of backups uses the encryption wallet

B. The database uses the same encryption key for every encrypted backup

C. The password encryption of backups only uses the password while creating and restoring backup

D. If transparent encryption is configured, you cannot use the SET ENCRYPTION BY PASSWORD command to make password-protected backups.

Answer: AC

Q379. You are peer reviewing a fellow DBA's backup plan for his NOARCHIVELOG mode database, as shown here:

1. Put the tablespaces in backup mode.

2. Back up the datafiles for all tablespaces.

3. Take the tablespaces out of backup mode.

4. Back up all archived redo logs.

Your colleague asks for you to comment on his plan. Which response would be correct?

A. The plan will work as is.

B. The plan needs to be modified to allow for an archive-log switch after step 3.

C. The plan needs to be modified so that a backup of the archived redo logs occurs before step 1.

D. The plan needs to be adjusted to shut down the database after step 1 and to restart the database after step 2.

E. The plan cannot work as presented.

Answer: B

Q380. Which of the following is a potential performance tuning recommendation from the SQL Access Advisor?

A. Create new indexes.

B. Modify existing indexes.

C. Implement partitioning on a nonpartitioned table.

D. Create materialized views.

E. All of the above

Answer: E