Pass4Test, où vous pouvez trouver les conseils et les documentations de test Certification Oracle 1Z0-042, est un siteweb remarquable offrant les données à préparer le test IT. Les documentations partiels et les mis en nouveau sont offerts gratuitement dans le site de Pass4Test. D'ailleurs, nos experts profitent de leurs expériences et leurs efforts à lancer sans arrêts les Q&A plus proches au test réel. Vous allez passer votre examen plus facile.
Le test certification Oracle 1Z0-042 est une bonne preuve de connaissances professionnelles et la techniques. Dans l'Industrie IT, beaucoiup de humains ressource font l'accent de lesquels certificats que les volontiers obtiennent. C'est clairement que le certificat Oracle 1Z0-042 puisse augmenter la compétition dans ce marché.
Beaucoup de gens trouvent difficile à passer le test Oracle 1Z0-042, c'est juste parce que ils n'ont pas bien choisi une bonne Q&A. Vous penserez que le test Oracle 1Z0-042 n'est pas du tout autant dur que l'imaginer. Le produit de Pass4Test non seulement comprend les Q&As qui sont impressionnées par sa grande couverture des Questions, mais aussi le service en ligne et le service après vendre.
Nous assurons seulement le succès de test certification, mais encore la mise à jour est gratuite pour vous. Si vous ne pouvez pas passer le test, votre argent sera 100% rendu. Toutefois, cette possibilité n'est presque pas de se produire. Vous pouvez tout d'abord télécharger le démo gratuit pour prendre un essai.
Code d'Examen: 1Z0-042
Nom d'Examen: Oracle (Oracle database 10g:Administration I)
Questions et réponses: 185 Q&As
1Z0-042 Démo gratuit à télécharger: http://www.pass4test.fr/1Z0-042.html
NO.1 Which step do you need to perform to enable a user with the SYSDBA privilege to log in as SYSDBA in
iSQL*Plus.?
A. The user must be granted the database administrator (DBA) privilege.
B. Set up a user in the Oracle Application Server Containers for J2EE (OC4J) user manager, and grant
the webDba role to the user.
C. The user must be listed in the password file for the authentication.
D. No special setup is needed for the user to connect as SYSDBA in iSQL*Plus.
Answer: B
Oracle 1Z0-042 examen 1Z0-042 1Z0-042 1Z0-042 examen
NO.2 The ST_INFO master table has millions of rows that are updated very rarely. It has a STATE_CODE
column that contains the value for 25 states. The table is frequently queried on the STATE_CODE column.
Which type of index would you suggest to improve the query performance?
A. bitmap
B. B-tree
C. function based
D. reverse key
Answer: A
Oracle examen 1Z0-042 examen certification 1Z0-042
NO.3 You executed the STARTUP MOUNT command to start your database. For which database operation
do you need to start the database in the MOUNT state?
A. dropping a user in your database
B. dropping a tablespace in your database
C. enabling or disabling redo log archiving
D. renaming the control files
E. re-creating the control files, after you lost all the control files in your database
Answer: C
Oracle certification 1Z0-042 certification 1Z0-042 1Z0-042 examen
NO.4 Which three statements are true regarding the fine-grained auditing (FGA)? (Choose three.)
A. FGA is possible on SELECT statements only.
B. The audit trail for FGA is stored in the AUD_LOG$ table.
C. FGA includes the SQL statement used by the user as part of the audit event entry.
D. FGA enables a SQL predicate to define when to audit an event.
E. The audit trail for FGA is stored in the FGA_LOG$ table.
F. FGA audits DELETE statements only when audit columns are specified.
Answer: CDE
Oracle 1Z0-042 examen 1Z0-042 1Z0-042
NO.5 Examine the following commands executed in your database:
SQL> ALTER SESSION RECYCLEBIN=ON;
Session altered
SQL> CREATE TABLE emp TABLESPACE tbsfd AS SELECT * FROM hr.employees; Table created.
Further, you executed the following command to drop the table:
SQL> DROP TABLE emp;
Table dropped.
What happens in this scenario?
A. The table is moved to the SYSTEM tablespace.
B. The table is renamed and remains in the TBSFD tablespace.
C. The table is moved to the SYSAUX tablespace.
D. The table is removed from the database permanently.
Answer: B
certification Oracle 1Z0-042 examen 1Z0-042
NO.6 You want to monitor and control the resource usage by sessions. You want to be warned automatically
when more than 100 sessions are opened with your database. What action would you take to achieve
this?
A. Set the warning threshold for the Current Logons Count metric.
B. Set the limits in the profiles used by users.
C. Use the Database Resource Manager.
D. Modify the SESSIONS initialization parameter.
Answer: A
Oracle certification 1Z0-042 1Z0-042
NO.7 Which two statements are true about the roles in the Oracle database? (Choose two.)
A. A role cannot be assigned external authentication.
B. Roles can be granted to other roles.
C. Roles are owned by the SYS user.
D. A role can be granted to itself.
E. A role can contain both system and object privileges.
Answer: BE
Oracle certification 1Z0-042 certification 1Z0-042 certification 1Z0-042
NO.8 Your database instance is started using the server parameter file (SPFILE). Control files are
multiplexed and stored on different disks. Because of a disk failure, you lost one of these control files. You
replaced the damaged disk. What is the correct sequence of steps that you would follow to recover the
control file?
1. Shut down the instance, if not already done.
2. Copy one of the remaining control files to a new location.
3. Change the value of the CONTROL_FILES initialization parameter to correspond to the new location of
the control files.
4. Start up the database instance to the NOMOUNT stage.
5. Recover the database to the point of failure of the control file.
6. Open the database.
A. 2,4,3,4,5
B. 5,2,3,4
C. 4,5,6,2,3
D. 1,2,4,3,5
Answer: D
certification Oracle 1Z0-042 examen 1Z0-042 1Z0-042 examen 1Z0-042 1Z0-042
NO.9 User Scott has updated the salary of one of the employees in the EMPLOYEES table and has not
committed the transaction. What are the two types of locks that this scenario would lead to? (Choose
two.)
A. a shareable table lock for the table containing the row
B. null lock on the table containing the row
C. exclusive table-level lock for the table containing the row
D. null lock on the row being updated
E. ROW SHARE lock for the row being updated
F. shared row-exclusive lock for the row being updated
G. ROW EXCLUSIVE lock for the row being updated
Answer: AG
Oracle 1Z0-042 1Z0-042
NO.10 You want to create a tablespace with the following specifications:
1. The tablespace extends automatically.
2. Used and free extents should be managed by bitmaps.
3. Default PCTUSED attribute is set to 60.
4. All the extents would be of size 1 MB.
Which three options would you choose to create the tablespace? (Choose three.)
A. tablespace with segment space management as automatic
B. tablespace with AUTOEXTEND enabled
C. tablespace with a uniform extent allocation of 1 MB
D. tablespace with dictionary-managed extents
E. tablespace with segment space management as manual
Answer: BCE
Oracle 1Z0-042 examen 1Z0-042
NO.11 You plan to use static database registration for a new listener when you create it. What could be the
two reasons for this? (Choose two.)
A. The Oracle Enterprise Manager is to be used to monitor an Oracle9i database.
B. More than one database is to be registered with the listener.
C. The listener is not configured on the default port of 1521 and the instance is not configured to register
with a nondefault port.
D. The users will connect the database by using the host naming method.
E. The database that is to be registered with the listener is configured in shared server mode.
Answer: AC
certification Oracle 1Z0-042 examen 1Z0-042
NO.12 Which statement regarding the contents of the V$PARAMETER view is true?
A. displays only the list of default values
B. displays the current contents of the server parameter file
C. displays the currently in effect parameter values
D. displays the list of all the parameter files of a database
E. displays only the list of all advanced parameters
F. displays only the list of all basic parameters
Answer: C
certification Oracle 1Z0-042 examen 1Z0-042 certification 1Z0-042
NO.13 View the Exhibit to see the source and target databases.
You have created a database link, devdb.us.oracle.com, between the databases PRODDB and DEVDB.
You want to import schema objects of the HR user using Oracle Data Pump from the
development database, DEVDB, to the production database, PRODDB. You execute the following
command on the target database server:
$impdp system/manager directory = DB_DATA
dumpfile = schemas.dat
schemas = hr
flashback_time = 2004-02-03 09:00
The command fails, displaying the following error:
ORA-39001: invalid argument value
ORA-39000: bad dump file specification
ORA-31640: unable to open dump file "/home/oracle/schema/schemas.dat" for read
ORA-27037: unable to obtain file status
What would you do to overcome the error?
A. remove the dumpfile option in the command
B. remove the flashback_time option in the command
C. remove the dumpfile option and add the network_link = devdb.us.oracle.com option in the command
D. add the user, SYSTEM, to the schemas option in the command
E. remove the schemas option and add the network_link = devdb.us.oracle.com option in the command
F. add network_link = devdb.us.oracle.com option in the command
Answer: C
certification Oracle 1Z0-042 certification 1Z0-042
NO.14 You specified extent management as local for a tablespace. How will it affect space management in the
tablespace?
A. The tablespace will be system managed and the users cannot specify the extent size.
B. Free extents will be managed by the data dictionary tables.
C. All the extents will be of the same size.
D. Bitmap will be used to record free and allocated extents.
Answer: D
certification Oracle 1Z0-042 examen 1Z0-042 1Z0-042 certification 1Z0-042
NO.15 The user SCOTT executes the following command successfully to increase the salary values in one of
his sessions:
SQL> UPDATE emp SET sal=sal*1.15 WHERE deptno=20;
Before SCOTT ends the transaction, user HR who has the privileges on EMP table executes a query to
fetch the salary details but finds the old salary values instead of the increased values.
Why does HR still see the old data?
A. because of redo data from redo log file
B. because of data from a temporary tablespace
C. because of undo data from the undo tablespace
D. because of data from database buffer cache
Answer: C
Oracle 1Z0-042 1Z0-042 examen 1Z0-042 1Z0-042 examen
NO.16 In your database, the snapshot interval is set to 10 minutes for the Automatic Workload Repository
(AWR). The database instance is running for the past 30 days.
View the Exhibit to examine the Automatic Database Diagnostic Monitor (ADDM) task.
The ADDM task is performed every 10 minutes, except the last task. What could be the reason for this?
A. The snapshot retention period for the AWR was increased before the last task.
B. The STATISTICS_LEVEL initialization parameter was changed to BASIC and reset to TYPICAL before
the last task.
C. The optimizer statistics was collected manually by using the DBMS_STATS package before the last
task.
D. The optimizer statistics for few objects in the database were locked before the last task.
Answer: B
certification Oracle 1Z0-042 examen 1Z0-042 examen
NO.17 You have a text file that maintains information on thousands of items. The end-user application requires
the transfer of that information into a table in the database. What would you use to achieve this task?
(Choose two.)
A. Data Pump
B. SQL*Loader
C. External table
D. Oracle Text
E. Oracle Import
Answer: BC
Oracle certification 1Z0-042 1Z0-042 examen 1Z0-042 examen
NO.18 Redo log files are not multiplexed in your database. Redo log blocks are corrupted in group 2, and
archiving has stopped. All the redo logs are filled and database activity is halted. Database writer has
written everything to disk. Which command would you execute to proceed further?
A. ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 2;
B. RECOVER LOGFILE BLOCK GROUP 2;
C. ALTER DATABASE CLEAR LOGFILE GROUP 2;
D. ALTER DATABASE DROP LOGFILE GROUP 2;
E. ALTER DATABASE RECOVER LOGFILE GROUP 2;
Answer: A
Oracle 1Z0-042 certification 1Z0-042 certification 1Z0-042
NO.19 Which two operations require undo data? (Choose two.)
A. recovering from failed transactions
B. recording a transaction to redo log files
C. rolling back a transaction
D. committing a transaction
E. rolling forward during instance recovery
Answer: AC
certification Oracle 1Z0-042 1Z0-042 1Z0-042 examen
NO.20 The employee IDs of employees who have made sales in the company are transferred from the
EMPLOYEES table to the BONUS table with a default bonus value. Later, the human resources
department decides to give bonuses to employees as per the following conditions:
1. Employees with a salary of $8,000 or less should receive a bonus.
2. Employees who have not made sales get a bonus of 1% of their salary.
3. Employees who already made sales get an increase in their bonus equal to 1% of their salary.
What would you do to implement these changes in one step?
A. Use SQL*Loader utility.
B. Use the MERGE statement.
C. Use a multitable insert operation.
D. Use a correlated UPDATE statement.
Answer: B
Oracle certification 1Z0-042 certification 1Z0-042 certification 1Z0-042
Dans n'importe quelle industrie, tout le monde espère une meilleure occasion de se promouvoir, surtout dans l'industrie de IT. Les professionnelles dans l'industrie IT ont envie d'une plus grande space de se développer. Le Certificat Oracle 1Z0-042 peut réaliser ce rêve. Et Pass4Test peut vous aider à réussir le test Oracle 1Z0-042.
没有评论:
发表评论