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Oracle 1Z0-042 Exam Syllabus Topics:

Oracle database 10g:Administration I Sample Questions:

1. You want to create a new optimized database for your transactional production environment 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 Enterprise Manager to create a new database with the Online Transaction Processing (OLTP) option.
B) Use the Database Configuration Assistant (DBCA) to create the database with Oracle-managed files.
C) Use the CREATE DATABASE .. command to create the database with Automatic Storage Management (ASM) file system.
D) Use the CREATE DATABASE .. command to create the database with Oracle-managed files.
E) Use Database Configuration Assistant (DBCA) to create the database with Transaction Processing template.

2. Which two statements are true regarding the SGA_TARGET initialization parameter? (Choose two.)

A) Increasing the value of SGA_TARGET up to the value of SGA_MAX_SIZE disables the automatic shared memory management feature.
B) Reducing the value of the SGA_TARGET parameter takes away memory from both autotuned and manually sized components.
C) It can be increased up to the value of the SGA_MAX_SIZE parameter.
D) Increasing the value of the SGA_TARGET parameter distributes the increased memory among all the autotuned components.

3. Which naming method uses the tnsnames.ora file to store the connect descriptor used by the client while connecting to the database instance from a remote machine?

A) directory naming method
B) local naming method
C) host naming method
D) external naming method

4. While setting up an Oracle database for one of your critical applications, you want to ensure that the database is backed up at regular intervals without your intervention. What should you do to achieve the objective?

A) configure the Flash Recovery Area to enable automatic database backup
B) configure the database to run in ARCHIVELOG mode
C) schedule the database backup using Recovery Manager (RMAN) commands after creating the database
D) schedule the database backup using DBMS_JOB package after creating the database
E) schedule the database backup using Database Configuration Assistant (DBCA) while creating the database

5. Users of HR schema complain about slower-than-normal performance. On investigation the DBA found that maintenance was recently performed on some of the tables. The DBA traced the query that takes longer than normal to execute.
View the Exhibit exhibit_before.
After the DBA resolves the problem, the query performs normally.
View the Exhibit exhibit_after.
What action would the DBA have taken to resolve the performance problem?

A) reorganized the associated indexes for the EMPLOYEES table that were in an unusable state
B) moved the EMPLOYEES table to another location in the same tablespace
C) moved the EMPLOYEES table in to a locally managed tablespace
D) moved the indexes associated with the EMPLOYEES table to the same tablespace where the EMPLOYEES table exists
E) analyzed the EMPLOYEES table to collect the current statistics

Solutions: