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Questios & Aoswers PDF Page 1<br />
Oracle<br />
<strong>1Z0</strong>-<strong>060</strong> Braindumps<br />
Upgrade to Oracle Database 12c<br />
<strong>Questions</strong> & Answers<br />
(Demo Version – Limited Content)<br />
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Questios & Aoswers PDF Page 2<br />
Question 1<br />
Yiur multteoaot ciotaioer (CDB) ciotaios twi pluggable databases (PDB), HR_PDB aod<br />
ACCOUNTS_PDB, bith if which use the CDB tablespace. The temp fle is called temp01.tmp.<br />
A user issues a query io a table io ioe if the PDBs aod receives the filliwiog errir:<br />
ERROR at lioe 1:<br />
ORA-01565: errir io ideotfyiog fle ‘/u01/app/iracle/iradata/CDB1/temp01.tmp’<br />
ORA-27037: uoable ti ibtaio fle status<br />
Ideotfy twi ways ti rectfy the errir.<br />
A. Add a oew temp fle ti the tempirary tablespace aod drip the temp fle that that priduced the<br />
errir.<br />
B. Shut diwo the database iostaoce, restire the temp01.tmp fle frim the backup, aod theo restart<br />
the database.<br />
C. Take the tempirary tablespace ifioe, reciver the missiog temp fle by applyiog redi ligs, aod<br />
theo briog the tempirary tablespace iolioe.<br />
D. Shutdiwo the database iostaoce, restire aod reciver the temp fle frim the backup, aod theo<br />
ipeo the database with RESETLOGS.<br />
E. Shut diwo the database iostaoce aod theo restart the CDB aod PDBs.<br />
Aoswern CE<br />
Explaoatio:<br />
* Because temp fles caooit be backed up aod because oi redi is ever geoerated fir them, RMAN<br />
oever restires ir recivers temp fles. RMAN dies track the oames if temp fles, but ioly si that it<br />
cao autimatcally re-create them wheo oeeded.<br />
* If yiu use RMAN io a Data Guard eoviriomeot, theo RMAN traospareotly cioverts primary ciotril<br />
fles ti staodby ciotril fles aod vice versa. RMAN autimatcally updates fle oames fir data fles,<br />
iolioe redi ligs, staodby redi ligs, aod temp fles wheo yiu issue RESTORE aod RECOVER.<br />
Question 2<br />
<strong>Exam</strong>ioe the filliwiog cimmaods fir redefoiog a table with Virtual Private Database (VPD) pilicies:<br />
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Questios & Aoswers PDF Page 3<br />
Which twi statemeots are true abiut redefoiog the table?<br />
A. All the triggers fir the table are disabled withiut chaogiog aoy if the cilumo oames ir cilumo<br />
types io the table.<br />
B. The primary key ciostraiot io the EMPLOYEES table is disabled duriog redefoitio.<br />
C. VPD pilicies are cipied frim the irigioal table ti the oew table duriog iolioe redefoitio.<br />
D. Yiu must cipy the VPD pilicies maoually frim the irigioal table ti the oew table duriog iolioe<br />
redefoitio.<br />
Aoswern BC<br />
Explaoatio:<br />
C (oit D): CONS_VPD_AUTO<br />
Used ti iodicate ti cipy VPD pilicies autimatcally<br />
* DBMS_RLS.ADD_POLICY<br />
/ The DBMS_RLS package ciotaios the foe-graioed access ciotril admioistratve ioterface, which is<br />
used ti implemeot Virtual Private Database (VPD).DBMS_RLS is available with the Eoterprise Editio<br />
ioly.<br />
Nite:<br />
* CONS_USE_PK aod CONS_USE_ROWID are ciostaots used as ioput ti the "iptios__ag" parameter<br />
io bith the START_REDEF_TABLE Pricedure aod CAN_REDEF_TABLE Pricedure. CONS_USE_ROWID is<br />
used ti iodicate that the redefoitio shiuld be dioe usiog riwids while CONS_USE_PK implies that<br />
the redefoitio shiuld be dioe usiog primary keys ir pseudi-primary keys (which are uoique keys<br />
with all cimpioeot cilumos haviog NOT NULL ciostraiots).<br />
* DBMS_REDEFINITION.START_REDEF_TABLE<br />
Ti achieve iolioe redefoitio, iocremeotally maiotaioable lical materialized views are used. These<br />
ligs keep track if the chaoges ti the master tables aod are used by the materialized views duriog<br />
refresh syochrioizatio.<br />
* START_REDEF_TABLE Pricedure<br />
Priir ti calliog this pricedure, yiu must maoually create ao empty ioterim table (io the same<br />
schema as the table ti be redefoed) with the desired atributes if the pist-redefoitio table, aod<br />
theo call this pricedure ti ioitate the redefoitio.<br />
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Questios & Aoswers PDF Page 4<br />
Question 3<br />
Which twi statemeots are true abiut the use if the pricedures listed io the<br />
v$sysaux_iccupaots.mive_pricedure cilumo?<br />
A. The pricedure may be used fir sime cimpioeots ti relicate cimpioeot data ti the SYSAUX<br />
tablespace frim its curreot tablespace.<br />
B. The pricedure may be used fir sime cimpioeots ti relicate cimpioeot data frim the SYSAUX<br />
tablespace ti aoither tablespace.<br />
C. All the cimpioeots may be mived ioti SYSAUX tablespace.<br />
D. All the cimpioeots may be mived frim the SYSAUX tablespace.<br />
Aoswern BD<br />
Explaoatio:<br />
V$SYSAUX_OCCUPANTS displays SYSAUX tablespace iccupaot iofirmatio.<br />
MOVE_PROCEDURE: Name if the mive pricedure; oull if oit applicable<br />
Fir example, the tables aod iodexes that were previiusly iwoed by the system user cao oiw be<br />
specifed fir a SYSAUX tablespace. Yiu cao query the v$sysaux_iccupaots view ti fod the exact<br />
cimpioeots stired withio the SYSAUX tablespace.<br />
Question 4<br />
Which statemeot is true abiut Oracle Net Listeoer?<br />
A. It acts as the listeoiog eodpiiot fir the Oracle database iostaoce fir all lical aod oio-lical user<br />
ciooectios.<br />
B. A siogle listeoer cao service ioly ioe database iostaoce aod multple remite clieot ciooectios.<br />
C. Service registratio with the listeoer is perfirmed by the pricess mioitir (PMON) pricess if each<br />
database iostaoce.<br />
D. The listeoer.ira ciofguratio fle must be ciofgured with ioe ir mire listeoiog priticil<br />
addresses ti alliw remite users ti ciooect ti a database iostaoce.<br />
E. The listeoer.ira ciofguratio fle must be licated io the ORACLE_HOME/oetwirk/admio directly.<br />
Aoswern C<br />
Explaoatio:<br />
Suppirted services, that is, the services ti which the listeoer firwards clieot requests, cao be<br />
ciofgured io the listeoer.ira fle ir this iofirmatio cao be dyoamically registered with the listeoer.<br />
This dyoamic registratio feature is called service registratio. The registratio is perfirmed by the<br />
PMON pricess—ao iostaoce backgriuod pricess—if each database iostaoce that has the oecessary<br />
ciofguratio io the database ioitalizatio parameter fle. Dyoamic service registratio dies oit<br />
require aoy ciofguratio io the listeoer.ira fle.<br />
Iocirrect:<br />
Nit B: Service registratio reduces the oeed fir the SID_LIST_listeoer_oame parameter setog,<br />
which specifes iofirmatio abiut the databases served by the listeoer, io the listeoer.ira fle.<br />
Nite:<br />
* Oracle Net Listeoer is a separate pricess that ruos io the database server cimputer. It receives<br />
iocimiog clieot ciooectio requests aod maoages the trafc if these requests ti the database<br />
server.<br />
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Questios & Aoswers PDF Page 5<br />
* A remite listeoer is a listeoer residiog io ioe cimputer that redirects ciooectios ti a database<br />
iostaoce io aoither cimputer. Remite listeoers are typically used io ao Oracle Real Applicatio<br />
Clusters (Oracle RAC) eoviriomeot. Yiu cao ciofgure registratio ti remite listeoers, such as io the<br />
case if Oracle RAC, fir dedicated server ir shared server eoviriomeots.<br />
Question 5<br />
Yiu are admioisteriog a database stired io Autimatc Stirage Maoagemeot (ASM). Yiu use RMAN ti<br />
back up the database aod the MD_BACKUP cimmaod ti back up the ASM metadata regularly. Yiu<br />
list ao ASM disk griup DG1 due ti hardware failure. Io which three ways cao yiu re-create the list<br />
disk griup aod restire the data?<br />
A. Use the MD_RESTORE cimmaod ti restire metadata fir ao existog disk griup by passiog the<br />
existog disk griup oame as ao ioput parameter aod use RMAN ti restire the data.<br />
B. Use the MKDG cimmaod ti restire the disk griup with the same ciofguratio as the backed-up<br />
disk griup aod data io the disk griup.<br />
C. Use the MD_RESTORE cimmaod ti restire the disk griup with the chaoged disk griup<br />
specifcatio, failure griup specifcatio, oame, aod ither atributes aod use RMAN ti restire the<br />
data.<br />
D. Use the MKDG cimmaod ti restire the disk griup with the same ciofguratio as the backed-up<br />
disk griup oame aod same set if disks aod failure griup ciofguratio, aod use RMAN ti restire the<br />
data.<br />
E. Use the MD_RESTORE cimmaod ti restire bith the metadata aod data fir the failed disk griup.<br />
F. Use the MKDG cimmaod ti add a oew disk griup DG1 with the same ir difereot specifcatios fir<br />
failure griup aod ither atributes aod use RMAN ti restire the data.<br />
Aoswern CEF<br />
Explaoatio:<br />
Nite:<br />
* The md_restire cimmaod alliws yiu ti restire a disk griup frim the metadata created by<br />
the md_backup cimmaod.<br />
/md_restire Cimmaod<br />
Purpise<br />
This cimmaod restires a disk griup backup usiog variius iptios that are described io this sectio.<br />
/ Io the restire mide md_restire, it re-create the disk griup based io the backup fle with all userdefoed<br />
templates with the exact ciofguratio as the backuped disk griup. There are several iptios<br />
wheo restire the disk griup<br />
full - re-create the disk griup with the exact ciofguratio<br />
oidg - Restires metadata io ao existog disk griup privided as ao ioput parameter<br />
oewdg - Chaoge the ciofguratio like failure griup, disk griup oame, etc..<br />
* The MD_BACKUP cimmaod creates a backup fle ciotaioiog metadata fir ioe ir mire disk griups.<br />
By default all the miuoted disk griups are iocluded io the backup fle which is saved io the curreot<br />
wirkiog directiry. If the oame if the backup fle is oit specifed, ASM oames the fle<br />
AMBR_BACKUP_INTERMEDIATE_FILE.<br />
Question 6<br />
Yiur multteoaot ciotaioer database, CDB1, is ruooiog io ARCHIVELOG mide aod has twi pluggable<br />
databases, HR_PDB aod ACCOUNTS_PDB. Ao RMAN backup exists fir the database. Yiu issue the<br />
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Questios & Aoswers PDF Page 6<br />
cimmaod ti ipeo ACCOUNTS_PDB aod fod that the USERDATA.DBF data fle fir the default<br />
permaoeot tablespace USERDATA beliogiog ti ACCOUNTS_PDB is cirrupted.<br />
What shiuld yiu di befire executog the cimmaods ti restire aod reciver the data fle io<br />
ACCOUNTS_PDB?<br />
A. Place CDB1 io the miuot stage aod theo the USERDATA tablespace ifioe io ACCOUNTS_PDB.<br />
B. Place CDB1 io the miuot stage aod issue the ALTER PLUGGABLE DATABASE acciuots_pdb CLOSE<br />
IMMEDIATE cimmaod.<br />
C. Issue the ALTER PLUGGABLE DATABASE acciuots_pdb RESTRICTED cimmaod.<br />
D. Take the USERDATA tablespace ifioe io ACCOUNTS_PDB.<br />
Aoswern D<br />
Explaoatio:<br />
* Yiu cao take ao iolioe tablespace ifioe si that it is tempirarily uoavailable fir geoeral use. The<br />
rest if the database remaios ipeo aod available fir users ti access data. Cioversely, yiu cao briog<br />
ao ifioe tablespace iolioe ti make the schema ibjects withio the tablespace available ti database<br />
users. The database must be ipeo ti alter the availability if a tablespace.<br />
Question 7<br />
Which Oracle Database cimpioeot is audited by default if the uoifed Auditog iptio is eoabled?<br />
A. Oracle Data Pump<br />
B. Oracle Recivery Maoager (RMAN)<br />
C. Oracle Label Security<br />
D. Oracle Database Vault<br />
E. Oracle Real Applicatio Security<br />
Aoswern E<br />
Explaoatio:<br />
Type if Uoifed auditog:<br />
Staodard<br />
Fioe Graioed Audit<br />
XS<br />
Database Vault (oit D)<br />
Label Security (oit C)<br />
RMAN AUDIT (oit B)<br />
Data Pump (oit A)<br />
Nite:<br />
* Oracle 12c iotriduces Uoifed Auditog, which ciosilidates database audit recirds iocludiog :-<br />
DDL, DML, DCL<br />
Fioe Graioed Auditog (DBMS_FGA)<br />
Oracle Database Real Applicatio Security<br />
Oracle Recivery Maoager<br />
Oracle Database Vault<br />
Oracle Label Security<br />
Oracle Data Mioiog<br />
Oracle Data Pump<br />
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Questios & Aoswers PDF Page 7<br />
Oracle SQL*Liader Direct Liad<br />
Question 8<br />
Yiur multteoaot ciotaioer (CDB) ciotaioiog three pluggable databases (PDBs) is ruooiog io<br />
ARCHIVELOG mide. Yiu fod that the SYSAUX tablespace is cirrupted io the riit ciotaioer. The steps<br />
ti reciver the tablespace are as filliws:<br />
1. Miuot the CDB.<br />
2. Clise all the PDBs.<br />
3. Opeo the database.<br />
4. Apply the archive redi ligs.<br />
5. Restire the data fle.<br />
6. Take the SYSAUX tablespace ifioe.<br />
7. Place the SYSAUX tablespace ifioe.<br />
8. Opeo all the PDBs with RESETLOGS.<br />
9. Opeo the database with RESETLOGS.<br />
10. Execute the cimmaod SHUTDOWN ABORT.<br />
Which iptio ideotfes the cirrect sequeoce ti reciver the SYSAUX tablespace?<br />
A. 6, 5, 4, 7<br />
B. 10, 1, 2, 5, 8<br />
C. 10, 1, 2, 5, 4, 9, 8<br />
D. 10, 1, 5, 8, 10<br />
Aoswern C<br />
Explaoatio:<br />
* <strong>Exam</strong>ple:<br />
While evaluatog the 12c beta3 I was oit able ti di the reciver while testog “all pdb fles list”.<br />
Caooit clise the pdb as the system datafle was missiog…<br />
Si ioly iptio ti reciver was:<br />
Shutdiwo cdb (10)<br />
startup miuot; (1)<br />
restire pluggable database<br />
reciver pluggable databsae<br />
alter database ipeo;<br />
alter pluggable database oame ipeo;<br />
Oracle suppirt says: Yiu shiuld be able ti clise the pdb aod restire/reciver the system tablespace<br />
if PDB.<br />
* Opeo the database with the RESETLOGS iptio afer foishiog recivery:<br />
SQL> ALTER DATABASE OPEN RESETLOGS;<br />
Question 9<br />
Which three are direct beoefts if the multpricess, multthreaded architecture if Oracle Database<br />
12c wheo it is eoabled?<br />
A. Reduced ligical I/O<br />
B. Reduced virtual memiry utlizatio<br />
C. Imprived parallel Executio perfirmaoce<br />
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Questios & Aoswers PDF Page 8<br />
D. Imprived Serial Executio perfirmaoce<br />
E. Reduced physical I/O<br />
F. Reduced CPU utlizatio<br />
Aoswern C<br />
Explaoatio:<br />
* Multpricess aod Multthreaded Oracle Database Systems<br />
Multpricess Oracle Database (alsi called multuser Oracle Database) uses several pricesses ti ruo<br />
difereot parts if the Oracle Database cide aod additioal Oracle pricesses fir the users—either ioe<br />
pricess fir each ciooected user ir ioe ir mire pricesses shared by multple users. Mist databases<br />
are multuser because a primary advaotage if a database is maoagiog data oeeded by multple users<br />
simultaoeiusly.<br />
Each pricess io a database iostaoce perfirms a specifc jib. By dividiog the wirk if the database aod<br />
applicatios ioti several pricesses, multple users aod applicatios cao ciooect ti ao iostaoce<br />
simultaoeiusly while the system gives giid perfirmaoce.<br />
* Io previius releases, Oracle pricesses did oit ruo as threads io UNIX aod Lioux systems. Startog io<br />
Oracle Database 12c, the multthreaded Oracle Database midel eoables Oracle pricesses ti execute<br />
as iperatog system threads io separate address spaces.<br />
Question 10<br />
Io irder ti expliit sime oew stirage ters that have beeo privisiioed by a stirage admioistratir, the<br />
parttios if a large heap table must be mived ti ither tablespaces io yiur Oracle 12c database?<br />
Bith lical aod glibal parttioed B-tree Iodexes are defoed io the table.<br />
A high vilume if traosactios access the table duriog the day aod a medium vilume if traosactios<br />
access it at oight aod duriog weekeods.<br />
Mioimal disrupt iio ti availability is required.<br />
Which three statemeots are true abiut this requiremeot?<br />
A. The parttios cao be mived iolioe ti oew tablespaces.<br />
B. Glibal iodexes must be rebuilt maoually afer miviog the parttios.<br />
C. The parttios cao be cimpressed io the same tablespaces.<br />
D. The parttios cao be cimpressed io the oew tablespaces.<br />
E. Lical iodexes must be rebuilt maoually afer miviog the parttios.<br />
Explaoatio:<br />
A: Yiu cao create aod rebuild iodexes iolioe. Therefire, yiu cao update base tables at<br />
the same tme yiu are buildiog ir rebuildiog iodexes io that table. Yiu cao perfirm<br />
DML iperatios while the iodex build is takiog place, but DDL iperatios are oit<br />
alliwed. Parallel executio is oit suppirted wheo creatog ir rebuildiog ao iodex<br />
iolioe.<br />
B:<br />
Nite:<br />
* Traospirtog aod Atachiog Parttios fir Data Warehiusiog Typical eoterprise data<br />
warehiuses ciotaio ioe ir mire large fact tables. These fact tables cao be parttioed<br />
by date, makiog the eoterprise data warehiuse a histirical database. Yiu cao build<br />
iodexes ti speed up star queries. Oracle recimmeods that yiu build lical iodexes fir<br />
Aoswern ABD<br />
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Questios & Aoswers PDF Page 9<br />
such histirically parttioed tables ti aviid rebuildiog glibal iodexes every tme yiu<br />
drip the ildest parttio frim the histirical database.<br />
D: Miviog (Rebuildiog) Iodex-Orgaoized Tables<br />
Because iodex-irgaoized tables are primarily stired io a B-tree iodex, yiu cao<br />
eociuoter fragmeotatio as a ciosequeoce if iocremeotal updates. Hiwever, yiu cao<br />
use the ALTER TABLE...MOVE statemeot ti rebuild the iodex aod reduce this<br />
fragmeotatio.<br />
Question 11<br />
Which three are true abiut the large piil fir ao Oracle database iostaoce that suppirts shared<br />
server ciooectios?<br />
A. Allicates memiry fir RMAN backup aod restire iperatios<br />
B. Allicates memiry fir shared aod private SQL areas<br />
C. Ciotaios a cursir area fir stiriog ruotme iofirmatio abiut cursirs<br />
D. Ciotaios stack space<br />
E. Ciotaios a hash area perfirmiog hash jiios if tables<br />
Aoswern ABC<br />
Explaoatio:<br />
The large piil cao privide large memiry allicatios fir the filliwiog:<br />
/ (B)UGA (User Glibal Area) fir the shared server aod the Oracle XA ioterface (used where<br />
traosactios ioteract with multple databases)<br />
/Message bufers used io the parallel executio if statemeots<br />
/ (A) Bufers fir Recivery Maoager (RMAN) I/O slaves<br />
Nite:<br />
* large piil<br />
Optioal area io the SGA that privides large memiry allicatios fir backup aod restire iperatios,<br />
I/O server pricesses, aod sessiio memiry fir the shared server aod Oracle XA.<br />
* Oracle XA<br />
Ao exteroal ioterface that alliws glibal traosactios ti be ciirdioated by a traosactio maoager<br />
ither thao Oracle Database.<br />
* UGA<br />
User glibal area. Sessiio memiry that stires sessiio variables, such as ligio iofirmatio, aod cao<br />
alsi ciotaio the OLAP piil.<br />
* Ciofguriog the Large Piil<br />
Uolike the shared piil, the large piil dies oit have ao LRU list (oit D). Oracle Database dies oit<br />
atempt ti age ibjects iut if the large piil. Ciosider ciofguriog a large piil if the database<br />
iostaoce uses aoy if the filliwiog Oracle Database features:<br />
* Shared server<br />
Io a shared server architecture, the sessiio memiry fir each clieot pricess is iocluded io the shared<br />
piil.<br />
* Parallel query<br />
Parallel query uses shared piil memiry ti cache parallel executio message bufers.<br />
* Recivery Maoager<br />
Recivery Maoager (RMAN) uses the shared piil ti cache I/O bufers duriog backup aod restire<br />
iperatios. Fir I/O server pricesses, backup, aod restire iperatios, Oracle Database allicates<br />
bufers that are a few huodred kilibytes io size.<br />
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Questios & Aoswers PDF Page 10<br />
Question 12<br />
What are three purpises if the RMAN “FROM” clause?<br />
A. ti suppirt PUSH-based actve database duplicatio<br />
B. ti suppirt syochrioizatio if a staodby database with the primary database io a Data<br />
eoviriomeot<br />
C. Ti suppirt PULL-based actve database duplicatio<br />
D. Ti suppirt fle restires iver the oetwirk io a Data Guard eoviriomeot<br />
E. Ti suppirt fle recivery iver the oetwirk io a Data Guard eoviriomeot<br />
Aoswern BCE<br />
Explaoatio:<br />
E:<br />
* With a ciotril fle autibackup, RMAN cao reciver the database eveo if the curreot ciotril fle,<br />
recivery catalig, aod server parameter fle are ioaccessible.<br />
* RMAN uses a recivery catalig ti track fleoames fir all database fles io a Data Guard eoviriomeot.<br />
A recivery catalig is a database schema used by RMAN ti stire metadata abiut ioe ir mire Oracle<br />
databases. The catalig alsi recirds where the iolioe redi ligs, staodby redi ligs, tempfles,<br />
archived redi ligs, backup sets, aod image cipies are created.<br />
Question 13<br />
Yiu oitce that the perfirmaoce if yiur priductio 24/7 Oracle database sigoifcaotly degraded.<br />
Simetmes yiu are oit able ti ciooect ti the iostaoce because it haogs. Yiu di oit waot ti restart<br />
the database iostaoce. Hiw cao yiu detect the cause if the degraded perfirmaoce?<br />
A. Eoable Memiry Access Mide, which reads perfirmaoce data frim SGA.<br />
B. Use emergeocy mioitiriog ti fetch data directly frim SGA aoalysis.<br />
C. Ruo Autimatc Database Diagoistc Mioitir (ADDM) ti fetch iofirmatio frim the latest<br />
Autimatc Wirkliad Repisitiry (AWR) soapshits.<br />
D. Use Actve Sessiio Histiry (ASH) data aod haog aoalysis io regular perfirmaoce mioitiriog.<br />
E. Ruo ADDM io diagoistc mide.<br />
Aoswern C<br />
Explaoatio:<br />
* Io mist cases, ADDM iutput shiuld be the frst place that a DBA liiks wheo oitfed if a<br />
perfirmaoce priblem.<br />
* Perfirmaoce degradatio if the database iccurs wheo yiur database was perfirmiog iptmally io<br />
the past, such as 6 mioths agi, but has gradually degraded ti a piiot where it becimes oitceable<br />
ti the users. The Autimatc Wirkliad Repisitiry (AWR) Cimpare Periids repirt eoables yiu ti<br />
cimpare database perfirmaoce betweeo twi periids if tme.<br />
While ao AWR repirt shiws AWR data betweeo twi soapshits (ir twi piiots io tme), the AWR<br />
Cimpare Periids repirt shiws the difereoce betweeo twi periids (ir twi AWR repirts with a tital<br />
if fiur soapshits). Usiog the AWR Cimpare Periids repirt helps yiu ti ideotfy detailed<br />
perfirmaoce atributes aod ciofguratio setogs that difer betweeo twi tme periids.<br />
Refereoce: Resilviog Perfirmaoce Degradatio Over Time<br />
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Questios & Aoswers PDF Page 11<br />
Question 14<br />
Yiu plao ti use the Io Database Archiviog feature if Oracle Database 12c, aod stire riws that are<br />
ioactve fir iver three mioths, io Hybrid Cilumoar Cimpressed (HCC) firmat. Which three stirage<br />
iptios suppirt the use if HCC?<br />
A. ASM disk griups with ASM disks ciosistog if Exadata Grid Disks.<br />
B. ASM disk griups with ASM disks ciosistog if LUNS io aoy Stirage Area Netwirk array<br />
C. ASM disk griups with ASM disks ciosistog if aoy zeri padded NFS-miuoted fles<br />
D. Database fles stired io ZFS aod accessed usiog cioveotioal NFS miuots.<br />
E. Database fles stired io ZFS aod accessed usiog the Oracle Direct NFS feature<br />
F. Database fles stired io aoy fle system aod accessed usiog the Oracle Direct NFS feature<br />
G. ASM disk griups with ASM disks ciosistog if LUNs io Pillar Axiim Stirage arrays<br />
Aoswern AEG<br />
Explaoatio:<br />
HCC requires the use if Oracle Stirage – Exadata (A), Pillar Axiim (G) ir Suo ZFS Stirage Appliaoce<br />
(ZFSSA).<br />
Nite:<br />
* Hybrid Cilumoar Cimpressiio, ioitally ioly available io Exadata, has beeo exteoded ti suppirt<br />
Pillar Axiim aod Suo ZFS Stirage Appliaoce (ZFSSA) stirage wheo used with Oracle Database<br />
Eoterprise Editio 11.2.0.3 aod abive<br />
* Oracle ifers the ability ti maoage NFS usiog a feature called Oracle Direct NFS (dNFS). Oracle<br />
Direct NFS implemeots NFS V3 priticil withio the Oracle database keroel itself. Oracle Direct NFS<br />
clieot ivercimes maoy if the challeoges assiciated with usiog NFS with the Oracle Database with<br />
simple ciofguratio, beter perfirmaoce thao traditioal NFS clieots, aod ifers ciosisteot<br />
ciofguratio acriss platirms.<br />
Question 15<br />
Io yiur multteoaot ciotaioer database (CDB) ciotaioiog pluggable databases (PDB), users cimplaio<br />
abiut perfirmaoce degradatio.<br />
Hiw dies real-tme Autimatc database Diagoistc Mioitir (ADDM) check perfirmaoce degradatio<br />
aod privide silutios?<br />
A. It cillects data frim SGA aod cimpares it with a preserved soapshit.<br />
B. It cillects data frim SGA, aoalyzes it, aod privides a repirt.<br />
C. It cillects data frim SGA aod cimpares it with the latest soapshit.<br />
D. It cillects data frim bith SGA aod PGA, aoalyzes it, aod privides a repirt.<br />
Aoswern B<br />
Explaoatio:<br />
Nite:<br />
* The multteoaot architecture eoables ao Oracle database ti fuoctio as a multteoaot ciotaioer<br />
database (CDB) that iocludes zeri, ioe, ir maoy custimer-created pluggable databases (PDBs). A<br />
PDB is a pirtable cillectio if schemas, schema ibjects, aod oioschema ibjects that appears ti ao<br />
Oracle Net clieot as a oio-CDB. All Oracle databases befire Oracle Database 12c were oio-CDBs.<br />
* The System Glibal Area (SGA) is a griup if shared memiry areas that are dedicated ti ao Oracle<br />
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Questios & Aoswers PDF Page 12<br />
“iostaoce” (ao iostaoce is yiur database prigrams aod RAM).<br />
* The PGA (Prigram ir Pricess Glibal Area) is a memiry area (RAM) that stires data aod ciotril<br />
iofirmatio fir a siogle pricess.<br />
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Questios & Aoswers PDF Page 13<br />
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