OCA OCP Oracle Certification Exam Braindumps

 10G OCA exam is the hottest certification exam in Oracle Certification System. 10G OCA exam code is 1z0-047,1z0-042. Oracle Certification face Data  certification. As follows is the 1z0-042  Demo:

1.Which three pieces of information are considered while deciding the size of the undotablespace in your
database?(chose three.)
A.the size of an undo block
B.the size of redo log files
C.undo blocks generated per second
D.the size of the database buffer cache
E.the value of the UNDO_RETENTION parameter
Answer:ACE
2.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.renaming the control files
B.dropping a user in your database
C.enabling or disabling redo log archiving
D.dropping a tablespaces in your database
E.re-creating the control files, after you lost all the control files in your database
Answer:C
3.You want to create a new optimized database for your transactional production enviroment to be used
by a financial application. While creating the database, you want the Oracle software to take care of all
basic settings to optimize the database performance. Which method would you use to achieve this
objective?
A.Use the CREATE DATABASE..command to create the database with Oracle-managed files.
B.Use the Database Configuration Assistant(DBCA) to create the database with Oracle-managed files.
C.Use Enterprise Manager to create a new database with the Online Transaction Processing(OLTP)
option.
E.Use the CREATE DATABASE.. command to create the database with Automatic Storage
Management(ASM) file system.
Answer:D
4.Which three statements are true about the stages of database startup?(Choose three)
A.Data files and redo log files can be renamed at the MOUNT stage.
B.Control files are read at the OPEN stage for the location of data files.
C.Control files are required to bring the database to the NOMOUNT stage.
D.Data files and redo log files are made available to users at the OPEN stage.
E.Data files and online redo log files are checked for consistency while opening the database
Answer:ADE