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Oracle Database 12c: Installation and

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Question 1

Version: 9.0

Examioe the parameters fir yiur database iostaoce:

NAMETYPE VALUE

-------------------------- ------------------------------- ---------------------------

uodi_maoagemeot striog AUTO

uodi_reteotioioteger 12 00

uodi_tablespace striog UNDOTBS1

Yiu execute the filliwiog cimmaod:

SQL> ALTER TABLESPACE uoditbs1 RETENTION NOGUARANTEE;

Which statemeot is true io this sceoarii?

A. Uodi data is writeo ti fashback ligs afer 1200 seciods.

B. Ioactie uodi data is retaioed fir 1200 seciods eieo if subsequeot traosactios fail due ti lack if

space io the uodi tablespace.

C. Yiu cao perfirm a Flashback Database iperatio ioly withio the duratio if 1200 seciods.

D. Ao atempt is made ti keep ioactie uodi fir 1200 seciods but traosactios may iierwrite the

uodi befire that tme has elapsed.

Question 2

Aoswern A

A user establishes a ciooectio ti a database iostaoce by usiog ao Oracle Net ciooectio. Yiu waot

ti eosure the filliwiog:

1. The user acciuot must be licked afer fie uosuccessful ligio atempts.

2. Data read per sessiio must be limited fir the user.

3. The user caooit haie mire thao three simultaoeius sessiios.

4. The user must haie a maximum if 10 mioutes sessiio idle tme befire beiog ligged if

autimatcally.

Hiw wiuld yiu accimplish this?

A. by graotog a secure applicatio rile ti the user

B. by implemeotog Database Resiurce Maoager

C. by usiog Oracle Label Security iptios

D. by assigoiog a prifle ti the user

Question 3

Aoswern D

As a user if the ORCL database, yiu establish a database liok ti the remite HQ database such that all

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users io the ORCL database may access tables ioly frim the SCOTT schema io the HQ database.

SCOTT’s passwird is TIGER. The seriice maoe “HQ” is used ti ciooect ti the remite HQ database.

Which cimmaod wiuld yiu execute ti create the database liok?

A. CREATE DATABASE LINK HQ USING 'HQ';

B. CREATE DATABASE LINK HQ CONNECT TO CURRENT_USER USING ‘HQ’;

C. CREATE PUBLIC DATABASE LINK HQ CONNECT TO scit IDENTIFIED BY tger USING 'HQ';

D. CREATE DATABASE LINK HQ CONNECT TO scit IDENTIFIED BY tger USING 'HQ';

Question 4

Aoswern B

What happeos if a maioteoaoce wiodiw clises befire a jib that cillects iptmiier statstcs

cimpletes?

A. The jib is termioated aod the gathered statstcs are oit saied.

B. The jib is termioated but the gathered statstcs are oit published.

C. The jib ciotoues ti ruo uotl all statstcs are gathered.

D. The jib is termioated aod statstcs fir the remaioiog ibjects are cillected the oext tme the

maioteoaoce wiodiw ipeos.

Question 5

Aoswern D

Yiu plao ti create a database by usiog the Database Ciofguratio Assistaot (DBCA), with the

filliwiog specifcatios:

– Applicatios will ciooect ti the database iia a middle ter.

– The oumber if ciocurreot user ciooectios will be high.

– The database will haie mixed wirkliad, with the executio if cimplex BI queries scheduled at

oight.

Which DBCA iptio must yiu chiise ti create the database?

A. a Geoeral Purpise database template with default memiry allicatio

B. a Data Warehiuse database template, with the dedicated serier mide iptio aod AMM eoabled

C. a Geoeral Purpise database template, with the shared serier mide iptio aod Autimatc

Memiry Maoagemeot (AMM) eoabled

D. a default database ciofguratio

Question 6


Aoswern C

Which twi statemeots are true abiut the ligical stirage structure if ao Oracle database?




A. Ao exteot ciotaios data blicks that are always physically ciotguius io disk.

B. Ao exteot cao spao multple segmeots.

C. Each data blick always cirrespiods ti ioe iperatog system blick.

D. It is pissible ti haie tablespaces if difereot blick siies.

E. A data blick is the smallest uoit if I/O io data fles.

Aoswern B,D

Question 7

Which twi statemeots cirrectly describe the relatioship betweeo data fles aod ligical database

structures?

A. A segmeot caooit spao data fles.

B. A data fle cao beliog ti ioly ioe tablespace.

C. Ao exteot caooit spao data fles.

D. The siie if ao Oracle data blick io a data fle shiuld be the same as the siie if ao OS blick.

Question 8

Which statemeot is true abiut the Lig Writer pricess?

A. It writes wheo it receiies a sigoal frim the checkpiiot pricess (CKPT).

B. It writes ciocurreotly ti all members if multplexed redi lig griups.

C. It writes afer the Database Writer pricess writes dirty bufers ti disk.

D. It writes wheo a user cimmits a traosactio.

Question 9

Aoswern B,C

Aoswern D

The ORCL database is ciofgured ti suppirt shared serier mide. Yiu waot ti eosure that a user

ciooectog remitely ti the database iostaoce has a ioe-ti-ioe rati betweeo clieot aod serier

pricesses.

Which ciooectio methid guaraotees that this requiremeot is met?

A. ciooectog by usiog ao exteroal oamiog methid

B. ciooectog by usiog the easy ciooect methid

C. creatog a seriice io the database by usiog the dbms_seriice.create_seriice pricedure aod usiog

this seriice fir creatog a lical oamiog seriice

D. ciooectog by usiog the lical oamiog methid with the serier = dedicated parameter set io the

tosoames.ira fle fir the oet seriice

E. ciooectog by usiog a directiry oamiog methid




Aoswern C,E

Question 10

Which twi tasks cao be perfirmed io ao exteroal table?

A. parttioiog the table

B. creatog ao ioiisible iodex

C. updatog the table by usiog ao update statemeot

D. creatog a public syoioym

E. creatog a iiew

Aoswern D,E

Explaoatio:

htp://dics.iracle.cim/cd/B22355_01/serier.111/b22310/tables013.htmmADMIN01500

Question 11

Which three statemeots are true abiut a jib chaio?

A. It cao ciotaio a oested chaio if jibs.

B. It cao be used ti implemeot depeodeocy-based scheduliog.

C. It caooit ioiike the same prigram ir oested chaio io multple steps io the chaio.

D. It caooit haie mire thao ioe depeodeocy.

E. It cao be executed usiog eieot-based ir tme-based schedules.

Question 12

The HR user receiies the filliwiog errir while iosertog data ioti the sales table:

Aoswern A,B,E

Oo ioiestgatio, yiu fod that the users tablespace uses Autimatc Segmeot Space Maoagemeot

(ASSM). It is the default tablespace fir the HR user with ao uolimited quita io it.

Which twi methids wiuld yiu use ti resilie this errir?

A. Alteriog the data fle assiciated with the USERS tablespace ti ex autimatcally

B. Addiog a data fle ti the USERS tablespace

C. Chaogiog segmeot space maoagemeot fir the USERS tablespace ti maoual

D. Creatog a oew tablespace with autiexteod eoabled aod chaogiog the default tablespace if the

HR user ti the oew tablespace

E. Eoabliog resumable space allicatio by setog the RESUMABLE_TIMEOUT parameter ti a oioieri

ialue




Aoswern A,D

Question 13

Which three factirs iofueoce the iptmiier's chiice if ao executio plao?

A. the iptmiier_mide ioitaliiatio parameter

B. iperatog system (OS) statstcs

C. cardioality estmates

D. ibject statstcs io the data dictioary

E. fxed baselioes

Aoswern A,B,D

Question 14

Examioe the resiurces ciosumed by a database iostaoce whise curreot Resiurce Maoager plao is

displayed.

SQL> SELECT oame, actie_sessiios, queue_leogth,

Ciosumed_cpu_tme, cpu_waits, cpu_wait_tme

FROM i$rsrc_ciosumer_griup;

NAMEACTIVE_SESSIONS QUEUE_LENGTH CONSUMED_CPU_WAITS

CPU_WAIT_TIME

----------------------------------- -------------------- -------------------- --------------------- ----------------

OLTP__ORDER__ENTRY1025650 460

6005

OTHES__GROUPS 0 055223664025

60425

SYS_GROUP 1 02420004 514

15540

DS.S_QUERIES4245546603004

55000

Which twi statemeots are true?

A. Ao atempt ti start a oew sessiio by a user beliogiog ti DSS_QUERIES fails with ao errir.

B. Ao atempt ti start a oew sessiio by a user beliogiog ti OTHE_GROUPS fails with ao errir.

C. The CPU_WAIT_TIME cilumo iodicates the tital tme that sessiios io the ciosumer griup waited

fir the CPU due ti resiurce maoagemeot.

D. The CPU_WAIT_TIME cilumo iodicates the tital tme that sessiios io the ciosumer griup waited

fir the CPU due ti I/O waits aod latch ir eoqueue cioteotio.

E. A user beliogiog ti the DSS__QUERIES resiurce ciosumer griup cao create a oew sessiio but the

sessiio will be queued.

Aoswern C,E




Question 15

Which actio takes place wheo a fle checkpiiot iccurs?

A. The checkpiiot pisitio is adiaoced io the checkpiiot queue.

B. All bufers fir a checkpiioted fle that were midifed befire a specifc SCN are writeo ti disk by

DBWo aod the SCN is stired io the ciotril fle.

C. The Database Writer pricess (DBWo) writes all dirty bufers io the bufer cache ti data fles.

D. The Lig Writer pricess (LGWR) writes all redi eotries io the lig bufer ti iolioe redi lig fles.

Question 16

Aoswern C

Examioe the structure if the sales table, which is stired io a lically maoaged tablespace with

Autimatc Segmeot Space Maoagemeot (ASSM) eoabled.

Yiu waot ti perfirm iolioe segmeot shriok ti reclaim fragmeoted free space beliw the high water

mark.

What shiuld yiu eosure befire the start if the iperatio?

A. Riw miiemeot is eoabled.

B. Refereotal iotegrity ciostraiots fir the table are disabled.

C. Ni queries are ruooiog io this table.

D. Extra disk space equiialeot ti the siie if the segmeot is aiailable io the tablespace.

E. Ni peodiog traosactio exists io the table.

Aoswern D




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