oracle 10g ch1 - ch3

7/28/2019 Oracle 10g Ch1 - Ch3

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ORACLE 10G: DATABASE

Examination

chapter 1 - 3

7/28/2019 Oracle 10g Ch1 - Ch3


7/28/2019 Oracle 10g Ch1 - Ch3


1. Which stages of Structured Query Language (SQL)

statement processing are performed when you issue a

MERGE statement? (Choose all that apply.)

A. The rows inserted are written to the datafiles.

B. The data is fetched and returned to the users.C. The updated blocks are written to the datafiles.

D. The changes made are recorded in the redo log files.

E. The System Change Number is recorded in the control

file.F. A parse tree is generated for the query if it does notalready exist.

G. Blocks of data are retrieved into the database buffercache if they are not already present.

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2. You are using an spfile to start the database. The maximum number of

users in your database has been set to 150. Because the number of users has

already reached the maximum limit, you are not able to create more users.

Which statement should you issue to increase the maximum number of users

in this database and keep the change persistent without affecting users whoare connected to the database?

A. ALTER SYSTEM SET LICENSE_MAX_USERS=200;

B. ALTER SYSTEM SETLICENSE_MAX_SESSIONS=200;

C. ALTER SYSTEM SET LICENSE_MAX_USERS=200SCOPE=SPFILE;

D. ALTER SYSTEM SET LICENSE_MAX_USERS=200SCOPE=MEMORY;

E. ALTER SYSTEM SETLICENSE_MAX_SESSIONS=200 SCOPE=SPFILE;

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3. Eric is working in a database server, which has been recently configured for

a shared server environment. Upon analysis, he realizes that there has been

an increase in memory demands for the SGA component because some

memory structures are now accommodated in the SGA.

Which component of the SGA should be allocated more memory to ensurethat the new memory demands are met?

A. java pool

B. large pool

C. shared pool

D. program global area

E. database buffer cache

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4. Your database is running in the shared server mode. You want to ensure

that the memory allocated to the shared pool is completely used by the

application users and not by RMAN processes or any other I/O server

processes. Which component of the Shared Global Area (SGA) should be

allocated memory to achieve the objective?

A. java pool

B. log buffer

C. large pool

D. buffer cache

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5. Which background process and associated database

component guarantees that committed data is saved

even when the changes have not been recorded in the

datafiles?

A. CKPT and control file

B. LGWR and online redo log files

C. DBWn and archived redo log files

D. DBWn and database buffer cache

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7/28/2019 Oracle 10g Ch1 - Ch3


7. Your database server is running in shared server

mode. Which component is a component of the

Program Global Area (PGA) when the database is in

shared server mode?

A. shared pool

B. stack space

C. user session data

D. memory structures

E. cursor state information

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8. Users in your application complain of slow response to

queries. Upon analysis, you realize that the queries are being

reparsed because they are aged out quickly.

Which component of the Shared Global Area (SGA) should youmodify to avoid the reparsing of queries?

A. java pool

B. large pool

C. library cache

D. redo log buffer

E. data dictionary cache

F. database buffer cache

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9. During your routine monitoring operations on the database,

you observe that there is heavy contention on data dictionary

tables whenever extents are allocated or freed from a

tablespace. Which action should you take as a measure toeliminate this contention on the SYSTEM tablespace?

A. Use local extent management for the SYSTEM

tablespace.B. Use bigfile tablespaces in the database to

avoid contention.

C. Use automatic segment space managementfor tablespaces.

D. Use local extent management for nonsystemtablespaces if not using it already.

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10. The following events take place when a user submits a

request on a shared server and the request is processed by the

server:

1. The dispatcher retrieves the response from its own responsequeue.

2. The user process forwards a request to a dispatcher on the

shared server.

3. The dispatcher places the request in the common request

queue in the SGA.

4. The response is returned to the user.

5. The shared server process picks up the request, processes it

and places the response on the calling dispatcher's response

queue.Which is the correct sequence of events that take place when

the request is submitted to the server and a response is returned

to the user?

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A. 12354

B. 14253

C. 21354

D. 21534

E. 23514

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11. Your database is running in the ARCHIVELOG mode. After an instance

crash, you start up the database by issuing the STARTUP command. Instance

recovery is initiated by the SMON background process.

Which statements are true about the phases involved in the instance recovery

performed by SMON? (Chooseall that apply.)

A. The instance recovery will recover data up to the last commit.

B. The information used for instance recovery will be derived from the alert log.

C. The information used for instance recovery will be derived from the control file.

D. The uncommitted changes are rolled back using information in the undo

segments.

E. The information used for instance recovery will be derived from the data

dictionary.

F. The instance recovery will recover all the data entered into the database beforethe point of the crash.

G. Only the committed changes stored in the online redo log file are applied to the

affected data blocks.

H. The committed and uncommitted changes stored in the online redo log are

applied to the affected data blocks.

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12. Eric is working as a database administrator with Telstar Corporation. He

has been granting SYSDBA and SYSOPER privileges to certain users who must

perform certain administrative tasks, such as starting and shutting down the

database remotely.

Which file determines the number of users that can be granted the SYSDBA orSYSOPER privilege?

A. trace file

B. control file

C. alert log file

D. password file

E. system datafile

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INSTALLING THE ORACLE DATABASESOFTWQRE

Chapter 2

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13. After installing Oracle 10g on your host computer, you

have decided to use Optimal Flexible Architecture (OFA) for

managing the database.

Which statement(s) reflect(s) benefits of using an OFA-compliant database? (Choose all that apply.)

A. It helps manage database growth.

B. It facilitates self-tuning of the database.

C. It organizes software and data on disk.

D. It helps in eliminate fragmentation of free

space in the SYSTEM tablespace.

E. It facilitates automatic naming of tablespaces

and datafiles created in the database.

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14. Which database administrative tool would you use

to upgrade or migrate an Oracle database?

A. User Migration Utility

B. Oracle Database Upgrade Assistant

C. Oracle Enterprise Manager Load Wizard

D. Oracle Enterprise Manager Console

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15. While installing the Oracle 10g database using OUI,

which file storage option will provide you with

additional features such as mirroring and striping?

A. File System

B. Raw Devices

C. Oracle-Managed Files

D. Automatic Storage Management

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16. Your Oracle server is running on a Linux platform. You

create a new database NEWDB on this server.

Which file is updated with the Oracle system identifiers (SIDs)

when this new Oracle database, NEWDB, is created?

A. oratab

B. crontab

C. catexp.sql

D. orainstRoot.sh

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17. You are in the process of installing Oracle Database 10g on

your client computer. You have set the value for environment

variable ORACLE_HOME to /oracle/ora10g.

What does this value specify?

A. the directory location for the base of OFA

B. the directory location where the Oraclesoftware is installed

C. the directory location where the script files

of the database are storedD. the directory location where the operating

system searches for Oracle executables, suchas SQL*Plus

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18. While installing the Oracle10g database on a UNIX

platform you are prompted to run the script file

orainstRoot.sh, which creates another file oraInst.loc.

For which purpose is the newly created oraInst.loc file used?

A. It is used to set the UNIX kernel parameters for

the Oracle database.B. It is used to store information about the users

accessing the Oracle database.

C. It is used by Oracle Universal Installer at startupto find the inventory location.

D. It is used by Oracle Universal Installer to store

the home directory and base directory locations.

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19. While installing the Oracle 10g database, you have set the

NLS_LANG environment variable to

AMERICAN_AMERICA.WE8IS08859P1.

What will be the default date format assigned to the Oracle10g database?

A. DDMMYY DD-MM-YY

B. DD-MON-YY

C. DD-MONTH-YYYY

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20. You are using Oracle Universal Installer to perform an

installation. During the installation, you encounter errors.

Which directory contains the log files that you should review

to determine the details about the installation errors?

A. $ORACLE_HOME/cfgtoollogs

B. /orainventory_location/logs

C. $ORACLE_HOME

D. $ORACLE_HOME/RDBMS/trace

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21. Your Oracle server has four databases SALESDB, FINDB,

HRDB, and TESTDB installed on it. The SALESDB database is

currently running. You set the ORACLE_SID environment

variable on the operating system as follows:

C:\> SET ORACLE_SID=TESTDB

Then, you try to start the TESTDB database from another

SQL*Plus prompt usingthis command:

SQL> STARTUP;

What will be the result of this command?

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A. The command will start the TESTDB databasewithout any alterations to the SALESDBdatabase.

B. The command will start the TESTDB databaseand shut down the already-running SALESDBdatabase.

C. This command will return an Oracle already

running, shut it down first error.D. The command will not start the TESTDB

database because the assignment of theORACLE_SID

E. environment variable is incorrect, and you mustspecify the specific parameter file when issuingthe STARTUP command.

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22. You want to use the Oracle-Managed Files feature to minimize file

management and provide efficient storage

for your Oracle database.

Which three initialization parameters are used to configure to use the Oracle-

Managed Files feature? (Choose three.)

A. DB_NAME

B. INSTANCE_NAME

C. DB_CREATE_FILE_DEST

D. DB_RECOVERY_FILE_DEST

E. DB_CREATE_ONLINE_LOG_DEST_n

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23. You are a DBA with Startel. You have a set of four

databases SALESDB, FINDB, HRDB, and PROD. You also

have two listeners, L1 and L2, and an application server,

APPS1, located on different locations globally. You have

been assigned the task of managing all these

components from your office located in New York.

Which two tools should you install to administer thesecomponents centrally on the network? (Choose two.)

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A. Oracle Management Agent

B. Oracle Enterprise Manager 10g

C. Oracle Enterprise Manager 10g Grid Control

Console

D. Oracle Enterprise Manager 10g Application

Server Control

E. Oracle Enterprise Manager 10g Database

Control Console

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CREATING AN ORACLE DATABASE

Chapter 3

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7/28/2019 Oracle 10g Ch1 - Ch3


25. You are a database administrator in your company. You must

create new databases to store data from different projects in

your company. Having analyzed the databases that already exist

on the Oracle server, you have decided to delete the databasesthat are not being used.

Which action(s) can you take to delete an existing database?

A. Delete the database using DBCA.

B. Delete the existing database using the ALTERDATABASE...DROP statement.

C. Delete the database using DBCA, and thendelete the OS files associated with the database.

D. Delete all the OS files associated with thedatabase, including the datafiles, control file,redo log files, and password files, and thendelete the database service name.

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26. Which three statements correctly describe the

Manage Templates option available with DBCA?

(Choose three.)

A. It allows you to create a template based on another template.

B. It allows you to create a database with a structure similar to an existing

database.

C. It allows you to create a template that contains only the data of an

existing database.

D. It allows you to create a template based on all the tablespaces of an

existing database.

E. It allows you to create a template that contains only the structure of an

existing database.

F. It allows you to create a template that contains the data as well as

structure of an existing database.

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27. You need to create a database similar to an existing

database. The data and structure of the new database must

be the same as the existing database.

Which action would best obtain the desired results?

A. Create a database using the CREATE DATABASE statement. Then,perform a complete database import of the original database.

B. Create a template of the existing database using DBCA thatincorporates only the structure of the original database. Then, usethis template to create the new database.

C. Create a template of the existing database using DBCA thatincorporates the structure and data of the original database. Then,use this template to create the new database.

D. Create a template of the existing database using DBCA thatincorporates only the structure of the original database and usethis template to create the new database. Then, perform acomplete database import of the original database.

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28. You are in the process of creating a database using

DBCA.

Which option CANNOT be configured using DBCA?

(1 Answer)

A. configure the database to enable daily backup

B. configure the database to run as a shared serverC. configure the database to use the Local naming

method

D. configure the database to use password fileauthentication

E. configure the database to use AutomaticStorage Management

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29. You are required to create a new database using

DBCA. The database is required to store historical data

pertaining to the last 20 years for a multinational

bank. This data is generally accessed to create reports

needed in different quarters of the year. In addition,

new data is inserted into the database at the

end of every month.

Considering these requirements, which template would

be the best template to

use to create the database?

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A. Data Warehouse

B. General Purpose

C. Custom Database

D. Transaction Processing

oracle 10g ch1 - ch3

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