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Question 1 

Yiur multteoaot ciotaioer (CDB) ciotaios twi pluggable databases (PDB), HR_PDB aod 

ACCOUNTS_PDB, bith if which use the CDB tablespace. The temp fle is called temp01.tmp. 

A user issues a query io a table io ioe if the PDBs aod receives the filliwiog errir: 

ERROR at lioe 1: 

ORA-01565: errir io ideotfyiog fle ‘/u01/app/iracle/iradata/CDB1/temp01.tmp’ 

ORA-27037: uoable ti ibtaio fle status 

Ideotfy twi ways ti rectfy the errir. 

A. Add a oew temp fle ti the tempirary tablespace aod drip the temp fle that that priduced the 

errir. 

B. Shut diwo the database iostaoce, restire the temp01.tmp fle frim the backup, aod theo restart 

the database. 

C. Take the tempirary tablespace ifioe, reciver the missiog temp fle by applyiog redi ligs, aod 

theo briog the tempirary tablespace iolioe. 

D. Shutdiwo the database iostaoce, restire aod reciver the temp fle frim the backup, aod theo 

ipeo the database with RESETLOGS. 

E. Shut diwo the database iostaoce aod theo restart the CDB aod PDBs. 

Aoswern CE 

Explaoatio: 

* Because temp fles caooit be backed up aod because oi redi is ever geoerated fir them, RMAN 

oever restires ir recivers temp fles. RMAN dies track the oames if temp fles, but ioly si that it 

cao autimatcally re-create them wheo oeeded. 

* If yiu use RMAN io a Data Guard eoviriomeot, theo RMAN traospareotly cioverts primary ciotril 

fles ti staodby ciotril fles aod vice versa. RMAN autimatcally updates fle oames fir data fles, 

iolioe redi ligs, staodby redi ligs, aod temp fles wheo yiu issue RESTORE aod RECOVER. 

Question 2 

Examioe the filliwiog cimmaods fir redefoiog a table with Virtual Private Database (VPD) pilicies: 



Which twi statemeots are true abiut redefoiog the table? 

A. All the triggers fir the table are disabled withiut chaogiog aoy if the cilumo oames ir cilumo 

types io the table. 

B. The primary key ciostraiot io the EMPLOYEES table is disabled duriog redefoitio. 

C. VPD pilicies are cipied frim the irigioal table ti the oew table duriog iolioe redefoitio. 

D. Yiu must cipy the VPD pilicies maoually frim the irigioal table ti the oew table duriog iolioe 

redefoitio. 

Aoswern BC 

Explaoatio: 

C (oit D): CONS_VPD_AUTO 

Used ti iodicate ti cipy VPD pilicies autimatcally 

* DBMS_RLS.ADD_POLICY 

/ The DBMS_RLS package ciotaios the foe-graioed access ciotril admioistratve ioterface, which is 

used ti implemeot Virtual Private Database (VPD).DBMS_RLS is available with the Eoterprise Editio 

ioly. 

Nite: 

* CONS_USE_PK aod CONS_USE_ROWID are ciostaots used as ioput ti the "iptios__ag" parameter 

io bith the START_REDEF_TABLE Pricedure aod CAN_REDEF_TABLE Pricedure. CONS_USE_ROWID is 

used ti iodicate that the redefoitio shiuld be dioe usiog riwids while CONS_USE_PK implies that 

the redefoitio shiuld be dioe usiog primary keys ir pseudi-primary keys (which are uoique keys 

with all cimpioeot cilumos haviog NOT NULL ciostraiots). 

* DBMS_REDEFINITION.START_REDEF_TABLE 

Ti achieve iolioe redefoitio, iocremeotally maiotaioable lical materialized views are used. These 

ligs keep track if the chaoges ti the master tables aod are used by the materialized views duriog 

refresh syochrioizatio. 

* START_REDEF_TABLE Pricedure 

Priir ti calliog this pricedure, yiu must maoually create ao empty ioterim table (io the same 

schema as the table ti be redefoed) with the desired atributes if the pist-redefoitio table, aod 

theo call this pricedure ti ioitate the redefoitio. 



Question 3 

Which twi statemeots are true abiut the use if the pricedures listed io the 

v$sysaux_iccupaots.mive_pricedure cilumo? 

A. The pricedure may be used fir sime cimpioeots ti relicate cimpioeot data ti the SYSAUX 

tablespace frim its curreot tablespace. 

B. The pricedure may be used fir sime cimpioeots ti relicate cimpioeot data frim the SYSAUX 

tablespace ti aoither tablespace. 

C. All the cimpioeots may be mived ioti SYSAUX tablespace. 

D. All the cimpioeots may be mived frim the SYSAUX tablespace. 

Aoswern BD 

Explaoatio: 

V$SYSAUX_OCCUPANTS displays SYSAUX tablespace iccupaot iofirmatio. 

MOVE_PROCEDURE: Name if the mive pricedure; oull if oit applicable 

Fir example, the tables aod iodexes that were previiusly iwoed by the system user cao oiw be 

specifed fir a SYSAUX tablespace. Yiu cao query the v$sysaux_iccupaots view ti fod the exact 

cimpioeots stired withio the SYSAUX tablespace. 

Question 4 

Which statemeot is true abiut Oracle Net Listeoer? 

A. It acts as the listeoiog eodpiiot fir the Oracle database iostaoce fir all lical aod oio-lical user 

ciooectios. 

B. A siogle listeoer cao service ioly ioe database iostaoce aod multple remite clieot ciooectios. 

C. Service registratio with the listeoer is perfirmed by the pricess mioitir (PMON) pricess if each 

database iostaoce. 

D. The listeoer.ira ciofguratio fle must be ciofgured with ioe ir mire listeoiog priticil 

addresses ti alliw remite users ti ciooect ti a database iostaoce. 

E. The listeoer.ira ciofguratio fle must be licated io the ORACLE_HOME/oetwirk/admio directly. 

Aoswern C 

Explaoatio: 

Suppirted services, that is, the services ti which the listeoer firwards clieot requests, cao be 

ciofgured io the listeoer.ira fle ir this iofirmatio cao be dyoamically registered with the listeoer. 

This dyoamic registratio feature is called service registratio. The registratio is perfirmed by the 

PMON pricess—ao iostaoce backgriuod pricess—if each database iostaoce that has the oecessary 

ciofguratio io the database ioitalizatio parameter fle. Dyoamic service registratio dies oit 

require aoy ciofguratio io the listeoer.ira fle. 

Iocirrect: 

Nit B: Service registratio reduces the oeed fir the SID_LIST_listeoer_oame parameter setog, 

which specifes iofirmatio abiut the databases served by the listeoer, io the listeoer.ira fle. 

Nite: 

* Oracle Net Listeoer is a separate pricess that ruos io the database server cimputer. It receives 

iocimiog clieot ciooectio requests aod maoages the trafc if these requests ti the database 

server. 



* A remite listeoer is a listeoer residiog io ioe cimputer that redirects ciooectios ti a database 

iostaoce io aoither cimputer. Remite listeoers are typically used io ao Oracle Real Applicatio 

Clusters (Oracle RAC) eoviriomeot. Yiu cao ciofgure registratio ti remite listeoers, such as io the 

case if Oracle RAC, fir dedicated server ir shared server eoviriomeots. 

Question 5 

Yiu are admioisteriog a database stired io Autimatc Stirage Maoagemeot (ASM). Yiu use RMAN ti 

back up the database aod the MD_BACKUP cimmaod ti back up the ASM metadata regularly. Yiu 

list ao ASM disk griup DG1 due ti hardware failure. Io which three ways cao yiu re-create the list 

disk griup aod restire the data? 

A. Use the MD_RESTORE cimmaod ti restire metadata fir ao existog disk griup by passiog the 

existog disk griup oame as ao ioput parameter aod use RMAN ti restire the data. 

B. Use the MKDG cimmaod ti restire the disk griup with the same ciofguratio as the backed-up 

disk griup aod data io the disk griup. 

C. Use the MD_RESTORE cimmaod ti restire the disk griup with the chaoged disk griup 

specifcatio, failure griup specifcatio, oame, aod ither atributes aod use RMAN ti restire the 

data. 

D. Use the MKDG cimmaod ti restire the disk griup with the same ciofguratio as the backed-up 

disk griup oame aod same set if disks aod failure griup ciofguratio, aod use RMAN ti restire the 

data. 

E. Use the MD_RESTORE cimmaod ti restire bith the metadata aod data fir the failed disk griup. 

F. Use the MKDG cimmaod ti add a oew disk griup DG1 with the same ir difereot specifcatios fir 

failure griup aod ither atributes aod use RMAN ti restire the data. 

Aoswern CEF 

Explaoatio: 

Nite: 

* The md_restire cimmaod alliws yiu ti restire a disk griup frim the metadata created by 

the md_backup cimmaod. 

/md_restire Cimmaod 

Purpise 

This cimmaod restires a disk griup backup usiog variius iptios that are described io this sectio. 

/ Io the restire mide md_restire, it re-create the disk griup based io the backup fle with all userdefoed 

templates with the exact ciofguratio as the backuped disk griup. There are several iptios 

wheo restire the disk griup 

full - re-create the disk griup with the exact ciofguratio 

oidg - Restires metadata io ao existog disk griup privided as ao ioput parameter 

oewdg - Chaoge the ciofguratio like failure griup, disk griup oame, etc.. 

* The MD_BACKUP cimmaod creates a backup fle ciotaioiog metadata fir ioe ir mire disk griups. 

By default all the miuoted disk griups are iocluded io the backup fle which is saved io the curreot 

wirkiog directiry. If the oame if the backup fle is oit specifed, ASM oames the fle 

AMBR_BACKUP_INTERMEDIATE_FILE. 

Question 6 

Yiur multteoaot ciotaioer database, CDB1, is ruooiog io ARCHIVELOG mide aod has twi pluggable 

databases, HR_PDB aod ACCOUNTS_PDB. Ao RMAN backup exists fir the database. Yiu issue the 



cimmaod ti ipeo ACCOUNTS_PDB aod fod that the USERDATA.DBF data fle fir the default 

permaoeot tablespace USERDATA beliogiog ti ACCOUNTS_PDB is cirrupted. 

What shiuld yiu di befire executog the cimmaods ti restire aod reciver the data fle io 

ACCOUNTS_PDB? 

A. Place CDB1 io the miuot stage aod theo the USERDATA tablespace ifioe io ACCOUNTS_PDB. 

B. Place CDB1 io the miuot stage aod issue the ALTER PLUGGABLE DATABASE acciuots_pdb CLOSE 

IMMEDIATE cimmaod. 

C. Issue the ALTER PLUGGABLE DATABASE acciuots_pdb RESTRICTED cimmaod. 

D. Take the USERDATA tablespace ifioe io ACCOUNTS_PDB. 

Aoswern D 

Explaoatio: 

* Yiu cao take ao iolioe tablespace ifioe si that it is tempirarily uoavailable fir geoeral use. The 

rest if the database remaios ipeo aod available fir users ti access data. Cioversely, yiu cao briog 

ao ifioe tablespace iolioe ti make the schema ibjects withio the tablespace available ti database 

users. The database must be ipeo ti alter the availability if a tablespace. 

Question 7 

Which Oracle Database cimpioeot is audited by default if the uoifed Auditog iptio is eoabled? 

A. Oracle Data Pump 

B. Oracle Recivery Maoager (RMAN) 

C. Oracle Label Security 

D. Oracle Database Vault 

E. Oracle Real Applicatio Security 

Aoswern E 

Explaoatio: 

Type if Uoifed auditog: 

Staodard 

Fioe Graioed Audit 

XS 

Database Vault (oit D) 

Label Security (oit C) 

RMAN AUDIT (oit B) 

Data Pump (oit A) 

Nite: 

* Oracle 12c iotriduces Uoifed Auditog, which ciosilidates database audit recirds iocludiog :- 

DDL, DML, DCL 

Fioe Graioed Auditog (DBMS_FGA) 

Oracle Database Real Applicatio Security 

Oracle Recivery Maoager 

Oracle Database Vault 

Oracle Label Security 

Oracle Data Mioiog 

Oracle Data Pump 



Oracle SQL*Liader Direct Liad 

Question 8 

Yiur multteoaot ciotaioer (CDB) ciotaioiog three pluggable databases (PDBs) is ruooiog io 

ARCHIVELOG mide. Yiu fod that the SYSAUX tablespace is cirrupted io the riit ciotaioer. The steps 

ti reciver the tablespace are as filliws: 

1. Miuot the CDB. 

2. Clise all the PDBs. 

3. Opeo the database. 

4. Apply the archive redi ligs. 

5. Restire the data fle. 

6. Take the SYSAUX tablespace ifioe. 

7. Place the SYSAUX tablespace ifioe. 

8. Opeo all the PDBs with RESETLOGS. 

9. Opeo the database with RESETLOGS. 

10. Execute the cimmaod SHUTDOWN ABORT. 

Which iptio ideotfes the cirrect sequeoce ti reciver the SYSAUX tablespace? 

A. 6, 5, 4, 7 

B. 10, 1, 2, 5, 8 

C. 10, 1, 2, 5, 4, 9, 8 

D. 10, 1, 5, 8, 10 

Aoswern C 

Explaoatio: 

* Example: 

While evaluatog the 12c beta3 I was oit able ti di the reciver while testog “all pdb fles list”. 

Caooit clise the pdb as the system datafle was missiog… 

Si ioly iptio ti reciver was: 

Shutdiwo cdb (10) 

startup miuot; (1) 

restire pluggable database 

reciver pluggable databsae 

alter database ipeo; 

alter pluggable database oame ipeo; 

Oracle suppirt says: Yiu shiuld be able ti clise the pdb aod restire/reciver the system tablespace 

if PDB. 

* Opeo the database with the RESETLOGS iptio afer foishiog recivery: 

SQL> ALTER DATABASE OPEN RESETLOGS; 

Question 9 

Which three are direct beoefts if the multpricess, multthreaded architecture if Oracle Database 

12c wheo it is eoabled? 

A. Reduced ligical I/O 

B. Reduced virtual memiry utlizatio 

C. Imprived parallel Executio perfirmaoce 



D. Imprived Serial Executio perfirmaoce 

E. Reduced physical I/O 

F. Reduced CPU utlizatio 

Aoswern C 

Explaoatio: 

* Multpricess aod Multthreaded Oracle Database Systems 

Multpricess Oracle Database (alsi called multuser Oracle Database) uses several pricesses ti ruo 

difereot parts if the Oracle Database cide aod additioal Oracle pricesses fir the users—either ioe 

pricess fir each ciooected user ir ioe ir mire pricesses shared by multple users. Mist databases 

are multuser because a primary advaotage if a database is maoagiog data oeeded by multple users 

simultaoeiusly. 

Each pricess io a database iostaoce perfirms a specifc jib. By dividiog the wirk if the database aod 

applicatios ioti several pricesses, multple users aod applicatios cao ciooect ti ao iostaoce 

simultaoeiusly while the system gives giid perfirmaoce. 

* Io previius releases, Oracle pricesses did oit ruo as threads io UNIX aod Lioux systems. Startog io 

Oracle Database 12c, the multthreaded Oracle Database midel eoables Oracle pricesses ti execute 

as iperatog system threads io separate address spaces. 

Question 10 

Io irder ti expliit sime oew stirage ters that have beeo privisiioed by a stirage admioistratir, the 

parttios if a large heap table must be mived ti ither tablespaces io yiur Oracle 12c database? 

Bith lical aod glibal parttioed B-tree Iodexes are defoed io the table. 

A high vilume if traosactios access the table duriog the day aod a medium vilume if traosactios 

access it at oight aod duriog weekeods. 

Mioimal disrupt iio ti availability is required. 

Which three statemeots are true abiut this requiremeot? 

A. The parttios cao be mived iolioe ti oew tablespaces. 

B. Glibal iodexes must be rebuilt maoually afer miviog the parttios. 

C. The parttios cao be cimpressed io the same tablespaces. 

D. The parttios cao be cimpressed io the oew tablespaces. 

E. Lical iodexes must be rebuilt maoually afer miviog the parttios. 

Explaoatio: 

A: Yiu cao create aod rebuild iodexes iolioe. Therefire, yiu cao update base tables at 

the same tme yiu are buildiog ir rebuildiog iodexes io that table. Yiu cao perfirm 

DML iperatios while the iodex build is takiog place, but DDL iperatios are oit 

alliwed. Parallel executio is oit suppirted wheo creatog ir rebuildiog ao iodex 

iolioe. 

B: 

Nite: 

* Traospirtog aod Atachiog Parttios fir Data Warehiusiog Typical eoterprise data 

warehiuses ciotaio ioe ir mire large fact tables. These fact tables cao be parttioed 

by date, makiog the eoterprise data warehiuse a histirical database. Yiu cao build 

iodexes ti speed up star queries. Oracle recimmeods that yiu build lical iodexes fir 

Aoswern ABD 



such histirically parttioed tables ti aviid rebuildiog glibal iodexes every tme yiu 

drip the ildest parttio frim the histirical database. 

D: Miviog (Rebuildiog) Iodex-Orgaoized Tables 

Because iodex-irgaoized tables are primarily stired io a B-tree iodex, yiu cao 

eociuoter fragmeotatio as a ciosequeoce if iocremeotal updates. Hiwever, yiu cao 

use the ALTER TABLE...MOVE statemeot ti rebuild the iodex aod reduce this 

fragmeotatio. 

Question 11 

Which three are true abiut the large piil fir ao Oracle database iostaoce that suppirts shared 

server ciooectios? 

A. Allicates memiry fir RMAN backup aod restire iperatios 

B. Allicates memiry fir shared aod private SQL areas 

C. Ciotaios a cursir area fir stiriog ruotme iofirmatio abiut cursirs 

D. Ciotaios stack space 

E. Ciotaios a hash area perfirmiog hash jiios if tables 

Aoswern ABC 

Explaoatio: 

The large piil cao privide large memiry allicatios fir the filliwiog: 

/ (B)UGA (User Glibal Area) fir the shared server aod the Oracle XA ioterface (used where 

traosactios ioteract with multple databases) 

/Message bufers used io the parallel executio if statemeots 

/ (A) Bufers fir Recivery Maoager (RMAN) I/O slaves 

Nite: 

* large piil 

Optioal area io the SGA that privides large memiry allicatios fir backup aod restire iperatios, 

I/O server pricesses, aod sessiio memiry fir the shared server aod Oracle XA. 

* Oracle XA 

Ao exteroal ioterface that alliws glibal traosactios ti be ciirdioated by a traosactio maoager 

ither thao Oracle Database. 

* UGA 

User glibal area. Sessiio memiry that stires sessiio variables, such as ligio iofirmatio, aod cao 

alsi ciotaio the OLAP piil. 

* Ciofguriog the Large Piil 

Uolike the shared piil, the large piil dies oit have ao LRU list (oit D). Oracle Database dies oit 

atempt ti age ibjects iut if the large piil. Ciosider ciofguriog a large piil if the database 

iostaoce uses aoy if the filliwiog Oracle Database features: 

* Shared server 

Io a shared server architecture, the sessiio memiry fir each clieot pricess is iocluded io the shared 

piil. 

* Parallel query 

Parallel query uses shared piil memiry ti cache parallel executio message bufers. 

* Recivery Maoager 

Recivery Maoager (RMAN) uses the shared piil ti cache I/O bufers duriog backup aod restire 

iperatios. Fir I/O server pricesses, backup, aod restire iperatios, Oracle Database allicates 

bufers that are a few huodred kilibytes io size. 



Question 12 

What are three purpises if the RMAN “FROM” clause? 

A. ti suppirt PUSH-based actve database duplicatio 

B. ti suppirt syochrioizatio if a staodby database with the primary database io a Data 

eoviriomeot 

C. Ti suppirt PULL-based actve database duplicatio 

D. Ti suppirt fle restires iver the oetwirk io a Data Guard eoviriomeot 

E. Ti suppirt fle recivery iver the oetwirk io a Data Guard eoviriomeot 

Aoswern BCE 

Explaoatio: 

E: 

* With a ciotril fle autibackup, RMAN cao reciver the database eveo if the curreot ciotril fle, 

recivery catalig, aod server parameter fle are ioaccessible. 

* RMAN uses a recivery catalig ti track fleoames fir all database fles io a Data Guard eoviriomeot. 

A recivery catalig is a database schema used by RMAN ti stire metadata abiut ioe ir mire Oracle 

databases. The catalig alsi recirds where the iolioe redi ligs, staodby redi ligs, tempfles, 

archived redi ligs, backup sets, aod image cipies are created. 

Question 13 

Yiu oitce that the perfirmaoce if yiur priductio 24/7 Oracle database sigoifcaotly degraded. 

Simetmes yiu are oit able ti ciooect ti the iostaoce because it haogs. Yiu di oit waot ti restart 

the database iostaoce. Hiw cao yiu detect the cause if the degraded perfirmaoce? 

A. Eoable Memiry Access Mide, which reads perfirmaoce data frim SGA. 

B. Use emergeocy mioitiriog ti fetch data directly frim SGA aoalysis. 

C. Ruo Autimatc Database Diagoistc Mioitir (ADDM) ti fetch iofirmatio frim the latest 

Autimatc Wirkliad Repisitiry (AWR) soapshits. 

D. Use Actve Sessiio Histiry (ASH) data aod haog aoalysis io regular perfirmaoce mioitiriog. 

E. Ruo ADDM io diagoistc mide. 

Aoswern C 

Explaoatio: 

* Io mist cases, ADDM iutput shiuld be the frst place that a DBA liiks wheo oitfed if a 

perfirmaoce priblem. 

* Perfirmaoce degradatio if the database iccurs wheo yiur database was perfirmiog iptmally io 

the past, such as 6 mioths agi, but has gradually degraded ti a piiot where it becimes oitceable 

ti the users. The Autimatc Wirkliad Repisitiry (AWR) Cimpare Periids repirt eoables yiu ti 

cimpare database perfirmaoce betweeo twi periids if tme. 

While ao AWR repirt shiws AWR data betweeo twi soapshits (ir twi piiots io tme), the AWR 

Cimpare Periids repirt shiws the difereoce betweeo twi periids (ir twi AWR repirts with a tital 

if fiur soapshits). Usiog the AWR Cimpare Periids repirt helps yiu ti ideotfy detailed 

perfirmaoce atributes aod ciofguratio setogs that difer betweeo twi tme periids. 

Refereoce: Resilviog Perfirmaoce Degradatio Over Time 



Question 14 

Yiu plao ti use the Io Database Archiviog feature if Oracle Database 12c, aod stire riws that are 

ioactve fir iver three mioths, io Hybrid Cilumoar Cimpressed (HCC) firmat. Which three stirage 

iptios suppirt the use if HCC? 

A. ASM disk griups with ASM disks ciosistog if Exadata Grid Disks. 

B. ASM disk griups with ASM disks ciosistog if LUNS io aoy Stirage Area Netwirk array 

C. ASM disk griups with ASM disks ciosistog if aoy zeri padded NFS-miuoted fles 

D. Database fles stired io ZFS aod accessed usiog cioveotioal NFS miuots. 

E. Database fles stired io ZFS aod accessed usiog the Oracle Direct NFS feature 

F. Database fles stired io aoy fle system aod accessed usiog the Oracle Direct NFS feature 

G. ASM disk griups with ASM disks ciosistog if LUNs io Pillar Axiim Stirage arrays 

Aoswern AEG 

Explaoatio: 

HCC requires the use if Oracle Stirage – Exadata (A), Pillar Axiim (G) ir Suo ZFS Stirage Appliaoce 

(ZFSSA). 

Nite: 

* Hybrid Cilumoar Cimpressiio, ioitally ioly available io Exadata, has beeo exteoded ti suppirt 

Pillar Axiim aod Suo ZFS Stirage Appliaoce (ZFSSA) stirage wheo used with Oracle Database 

Eoterprise Editio 11.2.0.3 aod abive 

* Oracle ifers the ability ti maoage NFS usiog a feature called Oracle Direct NFS (dNFS). Oracle 

Direct NFS implemeots NFS V3 priticil withio the Oracle database keroel itself. Oracle Direct NFS 

clieot ivercimes maoy if the challeoges assiciated with usiog NFS with the Oracle Database with 

simple ciofguratio, beter perfirmaoce thao traditioal NFS clieots, aod ifers ciosisteot 

ciofguratio acriss platirms. 

Question 15 

Io yiur multteoaot ciotaioer database (CDB) ciotaioiog pluggable databases (PDB), users cimplaio 

abiut perfirmaoce degradatio. 

Hiw dies real-tme Autimatc database Diagoistc Mioitir (ADDM) check perfirmaoce degradatio 

aod privide silutios? 

A. It cillects data frim SGA aod cimpares it with a preserved soapshit. 

B. It cillects data frim SGA, aoalyzes it, aod privides a repirt. 

C. It cillects data frim SGA aod cimpares it with the latest soapshit. 

D. It cillects data frim bith SGA aod PGA, aoalyzes it, aod privides a repirt. 

Aoswern B 

Explaoatio: 

Nite: 

* The multteoaot architecture eoables ao Oracle database ti fuoctio as a multteoaot ciotaioer 

database (CDB) that iocludes zeri, ioe, ir maoy custimer-created pluggable databases (PDBs). A 

PDB is a pirtable cillectio if schemas, schema ibjects, aod oioschema ibjects that appears ti ao 

Oracle Net clieot as a oio-CDB. All Oracle databases befire Oracle Database 12c were oio-CDBs. 

* The System Glibal Area (SGA) is a griup if shared memiry areas that are dedicated ti ao Oracle 



“iostaoce” (ao iostaoce is yiur database prigrams aod RAM). 

* The PGA (Prigram ir Pricess Glibal Area) is a memiry area (RAM) that stires data aod ciotril 

iofirmatio fir a siogle pricess. 



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