1z0-042 exam materials

1z0-042 Exam
oracle database 10g:administration i
* Exam Number/Code : 1z0-042
* Exam Name : oracle database 10g:administration i
* Questions and Answers : 148 Q&As
* Update Time: 2010-06-22
* Price: $ 98.00

Exam : Oracle 1Z0-042
Title : Oracle Database 10g: Administration I

1. In your Oracle 10g database , you have scheduled a job to update the optimizer statistics at 05:00 pm every Friday. The job has successfully completed. Which three pieces of information would you check to confirm that the statistics have been collected? (Choose three.)
A. average row size
B. last analyzed date
C. size of table in bytes
D. size of table in database blocks
E. number of free blocks in the free list
F. number of extents present in the table
Answer: ABD

2. You want the user APP_DBA to administer the Oracle database from a remote machine. APP_DBA is granted the SYSDBA privilege to perform administrative tasks on the database.
Which file is used by the Oracle database server to authenticate APP_DBA?
A. control file
B. password file
C. listener controller file
D. control file and password file
Answer: B

3. 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. The user must be listed in the password file for the authentication.
C. No special setup is needed for the user to connect as SYSDBA in iSQL*Plus.
D. Set up a user in the Oracle Application Server Containers for J2EE (OC4J) user manager, and grant the webDba role to the user.
Answer: D

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Oracle 1Z0-043 tests

1Z0-043 Exam
Oracle Database 10g: Administration II
* Exam Number/Code : 1Z0-043
* Exam Name : Oracle Database 10g: Administration II
* Questions and Answers : 217 Q&As
* Update Time: 2010-06-22
* Price: $ 98.00

Exam : Oracle 1Z0-043
Title : Oracle Database 10g: Administration II

1. Immediately after adding a new disk to or removing an existing disk from an Automatic Storage Management (ASM) instance, you find that the performance of the database decreases initially, until the addition or removal process is completed. Performance then gradually returns to normal levels.
Which two activities could you perform to maintain a consistent performance of the database while adding or removing disks? (Choose two.)
A. increase the number of checkpoint processes
B. define the POWER option while adding or removing the disks
C. increase the number of DBWR processes by setting up a higher value for DB_WRITER_PROCESSES
D. increase the number of slave database writer processes by setting up a higher value for DBWR_IO_SLAVES
E. increase the number of ASM Rebalance processes by setting up a higher value for ASM_POWER_LIMIT during the disk addition or removal process
Answer: BE

2. You need to check the EMP_EAST partition in the EMPLOYEES table for physical corruptions. You also need to verify that the rows belong to the correct partition. Which option could you use?
A. LogMiner
B. the DBNEWID utility
C. the DBVERIFY utility
D. the ANALYZE command
E. the RMAN REPORT command
F. the RMAN CROSSCHECK command
G. the RMAN BLOCKRECOVER command
Answer: D

3. You lost a temporary file that belongs to the default temporary tablespace in your database. From the options provided, which approach would you take to solve the problem?
A. flash back the database
B. import the temporary tablespace from the last export
C. restore all the data files and temporary files from the last full database backup and perform a recovery
D. not perform a recovery, but create a new temporary tablespace, make it the default temporary tablespace and then drop the old tablespace
Answer: D

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312-50 Exam
Ethical Hacking and Countermeasures (CEHv6)
* Exam Number/Code : 312-50
* Exam Name : Ethical Hacking and Countermeasures (CEHv6)
* Questions and Answers : 574 Q&As
* Update Time: 2010-06-22
* Price: $ 98.00

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