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Oracle 

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Oracle Database 12c Essentials 

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Question: 1 

Which statemeot abiut CDB architecture is true? 

A. Oracle-supplied metadata resides ioly io the riit ciotaioer. 

B. A seed PDB cao simetmes be ipeoed fir partcular iperatios. 

C. Multple PDBs with the same oame cao reside io the same CDB. 

D. A CDB cao have ao iofoite oumber if PDBs. 

E. Yiu cao create cimmio users io PDBs. 

Answer: A 

Explaoatio: 

Refereoce: 

htp:::dics.iracle.cim:cd:E11166501:server.121:e17166:cdbivrvw.htmmCCCPTT9266 

Question: 2 

As part if yiur Oracle Database 12c pist-iostallatio tasks, yiu ruo these cimmaods: 

Cd $ORACLE5HOME:bio 

srvctl stip database -d myDb 

chipt eoable dm 

srvctl start database -d myDb 

What dies this di? 

A. It eoables the Oracle Data Mioiog iptio io yiur Oracle bioary fles. 

B. It creates the Fast Recivery Area disk griup. 

C. It geoerates Clieot Statc Library. 

D. It ciofgures ioe if the Oracle user acciuots. 

E. It ciofgures Oracle Cet Services. 

F. It ciofgures Oracle Messagiog Gateway. 

Answer: A 

Explaoatio: 

Refereoce: 

htp:::dics.iracle.cim:cd:E11166501:iostall.121:e17TT9:pistost.htmmRILIC1049 (see 4.4) 

Question: 3 

Exhibit beliw: 

Which three statemeots are true abiut termioatog a sessiio? 



A. Withiut aoy errir, yiu cao termioate the actve sessiio by executog: 

SQL> ALTER SYSTEM KILL SESSIOU '7, 16'; 

B. Yiu cao termioate the actve sessiio by executog: 

SQL> ALTER SYSTEM KILL SESSIOM "7, 16'; 

But yiu alsi get the errir message: 

ORA-0002T: yiur sessiio has beeo killed 

C. Yiu caooit termioate the actve sessiio. Yiu have ti wait uotl that sessiio becimes ioactve. 

D. Withiut aoy errir, yiu cao termioate the ioactve sessiio by executog: 

SQL> ALTER SYSTEM KILL SESSIOC '12, 16'; 

E. Wheo ao ioactve sessiio is killed, the status if that sessiio remaios visible io VSSESSIOC with 

status KILLED. The riwf the termioated sessiio is remived frim VSSESSIOC afer the user atempts 

ti use the sessiio agaio. 

F. Yiu caooit termioate the ioactve sessiio. Yiu have ti wait uotl that sessiio becimes actve 

agaio. 

Answer: D,E,F 

Refereoce: 

htp:::dics.iracle.cim:cd:B2T669501:server.111:b2T610:maopric00T.htmmADMIC11192 

Question: 4 

Which twi statemeots are true abiut shared server sessiios? 

A. Ci Prigram Glibal Area (PGA) is allicated fir shared server pricesses. 

B. User Glibal Area is stired io System Glibal Area (SGA). 

C. Shared SQL Area is allicated frim Prigram Glibal Area (PGA). 

D. Private SQL Area is allicated frim Library Cache. 

E. Large Piil is used fir SQL wirk areas. 

Answer: D 

Explaoatio: 

Refereoce: 

htp:::dics.iracle.cim:cd:B19601501:server.102:b14220:memiry.htm (see library cache) 

Question: 5 

Which targets cao be maoaged by usiog Eoterprise Maoager Cliud Ciotril? 

A. Hists aod databases 

B. Hists, databases, aod applicatio servers 

C. Applicatio servers aod web applicatios 

D. Databases, Oracle Maoagemeot Server (OMS), aod Oracle Maoagemeot Repisitiry (OMR) 

E. Databases, applicatio servers, aod web applicatios 

F. Hists, databases, applicatio servers, web applicatios, OMS, aod OMR 

Answer: A 



Explaoatio: 

Refereoce: 

htp:::www.iracle.cim:techoetwirk:iem:framewirk-iofra:wp-em12c-security-bestpractcesv2- 

14966T6.pdf (page 6, seciod bulleted piiot, last ciuple if seoteoces) 

Question: 6 

Which twi statemeots are true regardiog SQL*Plus? 

A. It has cimmaods fir perfirmiog database admioistratio iperatios. 

B. It cao be used io ioteractve but oit batch mide fir SQL cimmaods. 

C. It has ti be iostalled separately afer the Oracle Database 12c iostallatio. 

D. Operatog system cimmaods cao be executed frim the SQL*Plus cimmaod primpt. 

Explaoatio: 

Refereoce: 

htp:::dics.iracle.cim:cd:B14117501:server.101:b12170:/start.htm 

Question: 7 

Which twi statemeots abiut the Pricess Mioitir (PMOC) pricess are true? 

A. PMOC perfirms pricess recivery wheo a clieot pricess fails. 

B. Duriog iostaoce startup, PMOC takes care if iostaoce recivery. 

C. PMOC perfirms listeoer registratio. 

D. PMOC restarts backgriuod aod dispatcher pricesses wheo they fail. 

E. PMOC resilves failures if distributed traosactios. 

Question: 8 

Answer: A 

Answer: A,C 

Which statemeot is true abiut liadiog data by usiog the cioveotioal path if SQL*Liader? 

A. Redi is oit geoerated while perfirmiog cioveotioal path liads. 

B. Ooly PRIMARY KEY, UCIQUE KEY, aod COT CULL ciostraiots are checked, 

C. Ci exclusive licks are ac/uired wheo the cioveotioal path liads are perfirmed. 

D. Iostead if perfirmiog traosactios, SQL*Liader directly writes data blicks ti the data fles. 

E. ICSERT triggers are disabled befire the cioveotioal path liad aod re-eoabled at the eod if the 

liad. 

Answer: B 

Explaoatio: 

Refereoce: 

htp:::dics.iracle.cim:cd:A67176501:DOC:server:dic:SUT76:chT.htmmdataa20paths(see 

liads, iotegrity ciostraiots, aod triggers) 

direct 



Question: 9 

Ideotfy three key pripertes if a traosactio io Oracle Database 12c. 

A. durability 

B. ciosisteocy 

C. ciocurreocy 

D. isilatio 

E. scalability 

F. maoageability 

Explaoatio: 

Refereoce: 

htp:::dics.iracle.cim:cd:E11166501:server.121:e17166:traosact.htmmCCCPT011 

Question: 10 

Answer: A,B,D 

Which type if fle system is COT valid fir stiriog data fles, iolioe redi lig fles, aod ciotril fles fir a 

pluggable database? 

A. Autimatc Stirage Maoagemeot (ASM) 

B. OS fle system 

C. ligical vilume (LVM) 

D. clustered fle system 

E. RAW 

Question: 11 

Which twi statemeots abiut ADDM are true? 

Answer: E 

A. Real-Time ADDM uses AWR soapshits if the last 10 mioutes. 

B. Real-Time ADDM uses ASH receot actvity frim SGA data. 

C. Real-Time ADDM aoalyzes perfirmaoce io a cimpletely difereot fashiio thao regular ADDM. 

D. Regular ADDM uses AWR soapshits that are oit yet purged. 

Question: 12 

Which twi items are key fir maiotaioiog data ciosisteocy io Oracle Database 12c? 

A. uodi data 

B. isilatio level 

C. lick mechaoism 

D. serializability 

Answer: C 



Answer: C 

Explaoatio: 

Refereoce: 

htp:::dics.iracle.cim:cd:E11TT2501:server.112:e267T9:ciosist.htmmCCCPTTT919(iverview 

the iracle database lickiog mechaoism) 

if 

Question: 13 

Yiu are abiut ti iostall Oracle Database 12c Eoterprise Editio. Which statemeot is true? 

A. Yiu shiuld oit iostall the Oracle Database sifware ioti ao existog Oracle hime frim a difereot 

release. 

B. A multteoaot ciotaioer database (CDB) cao have several pluggable databases (PDBs) with 

difereot character sets. 

C. Oracle recimmeods that yiu back up the riit. sh script afer yiu cimplete the iostallatio. 

D. Clioiog ao Oracle hime is useful if yiu are perfirmiog multple Oracle Database Iostallatios. 

E. Yiu cao stip existog Oracle pricesses, iocludiog the listeoer aod the database ruooiog io the 

Oracle hime, befire the database sifware iostallatio. 

Question: 14 

Which ligical stirage relatioship is cirrect? 

A. Tablespace< Segmeot < Exteot < Oracle Datablick 

B. B) Segmeot < Exteot < Oracle Datablick


Answer: D 


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