original questions 1Z0-055 Oracle cert24
original questions 1Z0-055 Oracle cert24

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1Z0-055 Oracle Database 11g: New Features for 9i OCPs The Certification study materials that can provide are based on the extensive research and experiences from our online trainers, with over 10 years of IT and certification experience. study materials, including questions and answers feed into our larger product base.

original questions 1Z0-055 Oracle cert24

QUESTION 1
You installed Oracle Database 11g and are performing a manual upgrade of the Oracle9i database. As a part of the upgrade process, you execute the following script:
SQL>@utlu111i.sql
Which statement about the execution of this script is true?

A. It must be executed from the Oracle Database 11g environment.
B. It must be executed only after the SYSAUX tablespace has been created.
C. It must be executed from the environment of the database that is being upgraded.
D. It must be executed only after AUTOEXTEND is set to ON for all existing tablespaces.
E. It must be executed from both the Oracle Database 11g and Oracle Database 9i environments.

Answer: C

QUESTION 2
Which two statements about the SQL Management Base (SMB) are true? (Choose two.)

A. It contains only SQL profiles generated by SQL Tuning Advisor.
B. It stores plans generated by the optimizer using a stored outline.
C. It is part of the data dictionary and stored in the SYSAUX tablespace.
D. It is part of the data dictionary and stored in the SYSTEM tablespace.
E. It contains the statement log, the plan history, plan baselines, and SQL profiles.

Answer: CE

QUESTION 3
Which statement about the enabling of table compression in Oracle Database 11g is true?

A. Compression can be enabled at the table, tablespace, or partition level for direct loads only.
B. Compression can be enabled only at the table level for both direct loads and conventional DML.
C. Compression can be enabled at the table, tablespace, or partition level for conventional DML only.
D. Compression can be enabled at the table, tablespace, or partition level for both direct loads and
conventional DML.

Answer: D

original questions 1Z0-055 Oracle cert24

original questions 1Z0-053 Oracle cert24

original questions 1Z0-053 Oracle cert24

Every Certification candidate knows how costly it can be to obtain relevant and reliable dumps for exams. Our products are cost-effective and come with one year of free updates. Our Certification solutions are readily available from our website! A leading provider of quality exams dumps, We have the Exam you need to pass your test.

1Z0-053 Oracle Database 11g: Administration II The Certification study materials that can provide are based on the extensive research and experiences from our online trainers, with over 10 years of IT and certification experience. study materials, including questions and answers feed into our larger product base.

original questions 1Z0-053 Oracle cert24

QUESTION 1
Examine the following command used to perform incremental level 0 backup:

RMAN> BACKUP INCREMENTAL LEVEL 0 DATABASE;

To enable the block change tracking, after the incremental level 0 backup you issued the following command:

SQL> ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE ‘/mydir/
rman_change_track.f’;

To perform incremental level 1 cumulative backup, you issued the following command:

RMAN> BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE;

Which two statements are true in the above situation? (Choose two.)

A. The block change tracking data will be used only from the next incremental 0 backup.
B. The incremental backup will use change tracking data for accomplishing the backup.
C. The incremental backup will not use change tracking data for accomplishing the backup.
D. The block track file will scan all the blocks and create bitmap for all the blocks backed up in the level 0
backup.

Answer: AC
Section: Backup, Recovery & Recovery Manager (RMAN)

Explanation/Reference:
Section: Backup, Recovery & Recovery Manager (RMAN)

http://www.pythian.com/documents/Pythian-oracle-block-change.pdf After enabling change tracking, the first level 0 incremental backup still has to scan the entire datafile, as the change tracking file does not yet reflect the status of the blocks. Subsequent incremental backup that use this level 0 as parent will take advantage of the change tracking file. When some a chunk needs to be marked dirty for the first time after incremental backup, version information in bitmap extent headers (X$KRCFBH) is initialized – XFLAGS is set to 2, CURR_VERCNT and CURR_VERTIME
filled from datafile descriptor. If file had no changes since last incremental backup – nothing is written to the bitmap. There is no difference in handling different backup levels. Version is created in the same way whether its level 0, level 1 or level 4 backup. By the way, it seems that Oracle 10g documentation officially mentions only support for levels 0 and 1. However, I checked incremental backup levels up to 4 and they do work (10.2.0.2). Oracle Press 1Z1-053 Exam Guide, Chapter 4: Creating RMAN Backups The first incremental level 0 backup reads every block in the datafile, and subsequent incremental level 1 backups use the block change tracking file. No reference to create bitmap found. http://download.oracle.com/docs/cd/B19306_01/backup.102/b14192/bkup004.htm#i1032148

RMAN’s change tracking feature for incremental backups improves incremental backup performance by recording changed blocks in each datafile in a change tracking file. If change tracking is enabled, RMAN uses the change tracking file to identify changed blocks for incremental backup, thus avoiding the need to scan every block in the datafile. Using change tracking in no way changes the commands used to pe form incremental backups, and the change tracking files themselves generally require little maintenance after initial configuration.

QUESTION 2
You want to use the automatic management of backup and recovery operations features for your database.

Which configuration must you set?

A. Enable the flash recovery area and specify it as the archived redo log destination.
B. Disable the flash recovery area and start the database instance in ARCHIVELOG mode.
C. Enable the flash recovery area but do not specify it as the archived redo log destination.
D. Disable the flash recovery area and start the database instance in NOARCHIVELOG mode.

Answer: A

QUESTION 3
Which three types of files can be automatically placed in the flash recovery area (fast recovery area in 11g Release 2)? (Choose three.)

A. Alert log file
B. Archived redo log files
C. Control file autobackups
D. Server Parameter file (SPFILE)
E. Recovery Manager (RMAN) backup piece

Answer: BCE

original questions 1Z0-053 Oracle cert24

original questions 1Z0-052 Oracle cert24

original questions 1Z0-052 Oracle cert24

Every Certification candidate knows how costly it can be to obtain relevant and reliable dumps for exams. Our products are cost-effective and come with one year of free updates. Our Certification solutions are readily available from our website! A leading provider of quality exams dumps, We have the Exam you need to pass your test.

1Z0-052 Oracle Database 11g: Administrator I The Certification study materials that can provide are based on the extensive research and experiences from our online trainers, with over 10 years of IT and certification experience. study materials, including questions and answers feed into our larger product base.

original questions 1Z0-052 Oracle cert24

QUESTION NO: 1
Your database instance is currently configured to support 1,500 connections. The Web application that uses the database allows a large number of users to work with the database simultaneously.
Some users of the Web application do not interact with the server all the time. You want to
increase the scalability by configuring the database instance to handle more connections. As a DBA, which configuration would you set to support more than 1,500 connections at a time?

A. You would configure more listeners for the database.
B. You would configure the database in shared server mode to use the connection pooling feature.
C. You would increase the value of the PGA_AGGREGATE_TARGET initialization parameter that assigns more session memory to users.
D. You would decrease the value of the PRIVATE_SGA resource limit in the profiles used by the users to accommodate more session information.

Answer: B

QUESTION NO: 2
Which two statements describe good practices for an application developer to reduce locking conflicts in Oracle database? (Choose two.)

A. Avoid coding unnecessary longrunning transactions.
B. Allow the database to handle locks in default locking mode.
C. Always explicitly code the locks as per the requirement of the application.
D. Allow escalation of row locks to block locks if too many row locks cause problem.

Answer: A,B

QUESTION NO: 3
These are points that describe the contents of different memory components:
1: Descriptive information or metadata about schema objects that are queried by using SQL statements
2: The runtime area for data manipulation language (DML) or data definition language (DDL) statements
3: Results of SQL queries and PL/SQL functions
4: Executable forms of SQL cursors, PL/SQL programs, and Java classes
5: The information necessary to reconstruct changes made to the database by a transaction
Which of these will be stored in the Shared Pool if the necessary configurations are done?

A. 1 and 2
B. 2 and 5
C. 1,3, and 4
D. 3,4 and 5
E. 1,2,3 and 4

Answer: C

original questions 1Z0-052 Oracle cert24

original questions 1Z0-051 Oracle cert24

original questions 1Z0-051 Oracle cert24

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1Z0-051 Oracle Database: SQL Fundamentals I The Certification study materials that can provide are based on the extensive research and experiences from our online trainers, with over 10 years of IT and certification experience. study materials, including questions and answers feed into our larger product base.

original questions 1Z0-051 Oracle cert24

QUESTION 1
View the Exhibit and examine the data in the

The PROJ_TASK_DETAILS table stores information about tasks involved in a project and the relation between them.
The BASED_ON column indicates dependencies between tasks. Some tasks do not depend on the completion of any other tasks.

You need to generate a report showing all task IDs, the corresponding task ID they are dependent on, and the name of the employee in charge of the task it depends on.

Which query would give the required result?

A. SELECT p.task_id, p.based_on, d.task_in_charge
FROM proj_task_details p JOIN proj_task_details d
ON (p.based_on = d.task_id);
B. SELECT p.task_id, p.based_on, d.task_in_charge
FROM proj_task_details p LEFT OUTER JOIN proj_task_details d ON (p.based_on = d.task_id);
C. SELECT p.task_id, p.based_on, d.task_in_charge
FROM proj_task_details p FULL OUTER JOIN proj_task_details d ON (p.based_on = d.task_id);
D. SELECT p.task_id, p.based_on, d.task_in_charge
FROM proj_task_details p JOIN proj_task_details d
ON (p.task_id = d.task_id);

Answer: B

QUESTION 2
Which two statements are true regarding subqueries? (Choose two.)

A. A subquery can retrieve zero or more rows.
B. Only two subqueries can be placed at one level.
C. A subquery can be used only in SQL query statements.
D. A subquery can appear on either side of a comparison operator.
E. There is no limit on the number of subquery levels in the WHERE clause of a SELECT statement.

Answer: AD

original questions 1Z0-051 Oracle cert24

original questions 1Z0-047 Oracle cert24

original questions 1Z0-047 Oracle cert24

Every Certification candidate knows how costly it can be to obtain relevant and reliable dumps for exams. Our products are cost-effective and come with one year of free updates. Our Certification solutions are readily available from our website! A leading provider of quality exams dumps, We have the Exam you need to pass your test.

1Z0-047 Oracle Database SQL Expert The Certification study materials that can provide are based on the extensive research and experiences from our online trainers, with over 10 years of IT and certification experience. study materials, including questions and answers feed into our larger product base.

original questions 1Z0-047 Oracle cert24

1.Which two statements are true regarding the types of table joins available in Oracle Database
10g? (Choose two.)
A.You can use the JOIN clause to join only two tables.
B.You can explicitly provide the join condition with a NATURAL JOIN.
C.You can use the USING clause to join tables on more than one column.
D.You can use the ON clause to specify multiple conditions while joining tables.
Correct:C D

2.Which two statements are true regarding subqueries? (Choose two.)
A.The ORDER BY clause can be used in the subquery.
B.A subquery can be used in the FROM clause of a SELECT statement.
C.If the subquery returns NULL, the main query may still return result rows.
D.A subquery can be placed in a WHERE clause, GROUP BY clause, or a HAVING clause.
E.Logical operators, such as AND, OR and NOT, cannot be used in the WHERE clause of a subquery.
Correct:A B

3.Evaluate the following SQL statements in the given order: DROP TABLE dept; CREATE TABLE dept (deptno NUMBER(3) PRIMARY KEY, deptname VARCHAR2(10)); DROP TABLE dept; FLASHBACK TABLE dept TO BEFORE DROP; Which statement is true regarding the above FLASHBACK operation?
A.It recovers only the first DEPT table.
B.It recovers only the second DEPT table.
C.It does not recover any of the tables because FLASHBACK is not possible in this case.
D.It recovers both the tables but the names would be changed to the ones assigned in the RECYCLEBIN.
Correct:B

4.Given below is a list of functions and their purpose in random order. Function Purpose 1)NVL
a) Used for evaluating NOT NULL and NULL values 2)NULLIF b) Used to return the first non- null values in a list of expressions 3)COALESCE c) Used to compare two expressions. If both are same,
it returns NULL; otherwise, it returns only the first expression. 4)NVL2 d) Used to convert NULL
values to actual values Identify the correct combination of functions and their usage.
A.1-a, 2-c, 3-b, 4-d B.1-d, 2-c, 3-b, 4-a C.1-b, 2-c, 3-d, 4-a D.1-d, 2-b, 3-c, 4-a Correct:B

original questions 1Z0-047 Oracle cert24

original questions 1Z0-042 Oracle cert24

original questions 1Z0-042 Oracle cert24

Every Certification candidate knows how costly it can be to obtain relevant and reliable dumps for exams. Our products are cost-effective and come with one year of free updates. Our Certification solutions are readily available from our website! A leading provider of quality exams dumps, We have the Exam you need to pass your test.

1Z0-042 Oracle Database 10g: Administration I The Certification study materials that can provide are based on the extensive research and experiences from our online trainers, with over 10 years of IT and certification experience. study materials, including questions and answers feed into our larger product base.

original questions 1Z0-042 Oracle cert24

QUESTION NO: 1
A user receives the following error while executing a query:
ORA-01555: snapshot too old
Which two options can be the solutions to avoid such errors in future? (Choose two.)
A. increase the size of the Database Buffer Cache
B. increase the size of the default temporary tablespace
C. increase the size of redo log files
D. increase the size of the undo tablespace
E. enable the retention guarantee for the undo tablespace
Answer: D,E

QUESTION NO: 2
What are the consequences of executing the SHUTDOWN ABORT command? (Choose two.)
A. The database files are synchronized.
B. The database is closed, but the instance is still started.
C. The database undergoes automatic media recovery during the next startup.
D. Database buffers and redo buffers are not written to the disk.
E. Uncommitted changes are not rolled back.
Answer: D,E

QUESTION NO: 3
The SAVE_AMT column in the ACCOUNTS table contains the balance details of customers in a
bank. As part of the year-end tax and interest calculation process, all the rows in the table need to
be accessed. The bank authorities want to track access to the rows containing balance amounts
exceeding $200,000, and then send an alert message to the administrator. Which method would
you suggest to the bank for achieving this task?
A. performing standard database auditing to audit SQL statements with granularity level set to
ACCESS
B. implementing value-based auditing by using triggers
C. performing standard database auditing to audit object privileges by setting the AUDIT_TRAIL
parameter to EXTENDED
D. implementing fine-grained auditing with audit condition and event handler
Answer: D

original questions 1Z0-042 Oracle cert24

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QUESTION 1
You have started up a Mac OS X Server v10.6 computer in single-user mode. In this mode, which command-line tool should you use to edit a user in the /Local/Default directory domain?

A. vi
B. vipw
C. plutil
D. slapadd

Answer: A

QUESTION 2
You are configuring a Mac OS X Server v10.6 computer to search multiple directory domains. How can you specify the order in which the server searches the directories when authenticating users?

A. Define a custom search path in the Authentication pane of Directory Utility.
B. Run slapconfig -setauthmechanisms and specify the directory domain search order.
C. In the Mappings pane of Directory Utility, modify the mapping for the
AuthenticationAuthority attribute.
D. In the Advanced pane of Workgroup Manager, configure the computer account and
enter the authentication search path.

Answer: A

QUESTION 3
In Mac OS X v10.6, how do you enable or disable debug logging for the DirectoryService process?

A. Enter the command killall -USR1 DirectoryService in Terminal.
B. In Server Admin, select Detailed Logging in the Open Directory service pane.
C. Enter the command defaults write com.apple.DirectoryService LogLevel debug in Terminal.
D. Enter the command serveradmin settings dirserv:loggingAttributes:logLevel = “debug”
in Terminal.

Answer: A

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