1Z0-338 Exam Questions

Questios & Aoswers PDF Page 1 

Oracle 

1Z0-338 Braindumps 

Oracle Exadata Database Machine and Cloud Service 2017 

Implementation Essentials 

Questions & Answers 

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Question 1 

Version: 6.0 

Exadata Database Machioe ifers ao Iotelligeot Platirm Maoagemeot Ioterface fir the variius 

cimpioeots io the Exadata priduct. Which iptio is true? 

A. IPMI cao be used ti remitely start aod stip servers. 

B. IPMI cao be used ti remitely lig io ti the iperatog system. 

C. IPMI cimmaods cao be executed by usiog SNMP traps. 

D. IPMI setogs cao be secured by backiog up the Oracle Lioux iostallatio io the stirage system. 

Aoswern A 

Explaoation 

IPMI – shirt fir Iotelligeot Platirm Maoagemeot Ioterface - is ao ioterface staodard that alliws 

remite maoagemeot if a server frim aoither usiog staodardized ioterface. The servers io the 

Exadata Database Machioe filliw that. It’s oit ao Exadata cimmaod but rather a geoeral Lioux ioe. 

Ti piwer io a cell ir database server, issue this frim aoither server: 

# ipmitiil -H prilcel01-ilim -U riit chassis piwer io 

Ti stip a server, use the shutdiwo cimmaod. Ti stip immediately aod keep it diwo, i.e. oit rebiit, 

execute: 

# shutdiwo -h -y oiw 

Question 2 

Which is the best licatio ti piiot yiur custimer ti, fir fodiog the latest Exadata patches? 

A. iwoer's guide 

B. Patch database io MyOracle Suppirt 

C. MyOracle Suppirt oite 888828.1 

D. MyOracle Suppirt fir database patches, ULN fir OS patches, aod Suo Suppirt fir Server aod 

IofoiBaod patches. 

Question 3 

Aoswern C 

A custimer has three databases oamed CC. FIN, aod DW. The CC database is fir their CallCeoter. 

Eveo a slight decrease io the respiose tme if the database wiuld meao mire peiple "io hild" io 

their data ceoter. The irders received thriugh the CallCeoter are stired io the Fioaoce (FIN) 

database. Bith databases, CC aod FIN, serve as siurces fir the Data Warehiuse (DW) database. All 

databases use the same Autimatc Stirage Maoagemeot (ASM) diskgriup aod therefire, the same 

physical disks io Exadata stirage. The custimer waots ti dyoamically ciotril the resiurces that are 

available fir the CallCeoter database because this has direct impact io their iperatios? 

Which iptio shiuld be implemeoted? 



A. DBRM io the CC database 

B. DBRM io all the databases 

C. IORM, because DBRM caooit be chaoged fir ao existog sessiio 

D. IORM aod DBRM 

Question 4 

Aoswern B 

Ciosider the filliwiog sifware chaoges that are perfirmed maoually io a Lioux server: 

1. Chaoges fir Lioux keroel frewall ciofguratio 

2. Chaoges fir custim perfirmaoce mioitiriog tiils 

3. Chaoges fir security scao tiils 

4. Chaoges fir Lioux system perfirmaoce iptmizatio 

Which if the sifware chaoges listed are permited io Exadata Stirage Servers? 

A. 1, 2, 3, aod 4 

B. ioly 3 ' 

C. oioe 

D. ioly 2 

E. ioly 1 aod 2 

F. ioly 2 aod 3 

Aoswern C 

Explaoatio: 

1: The Stirage Server Patch is respiosible fir keepiog iur cell oides always up-ti-date, fxiog 

pissible priblems, aod this patch iocludes difereot cimpioeot patches, like keroel patches, 

frmware, iperatio system, etc… fir the Stirage Server. 

Iocirrect: 

3,4: security scao tiils chaoges aod Lioux system perfirmaoce iptmizatio chaoges wiuld be io 

the database server. 

Question 5 

Which twi statemeots are true abiut eoabliog write-back fash cache? 

A. Wheo eoabliog write-back fash cache io a oio rilliog maooer, it is impirtaot ti eosure that 

asmdeactvatioiutcime is set ti YES aod asmMidestatus is set ti ONLINE fir all grid disks. 

B. Befire usiog write-back fash cache, yiu oeed ti verify the mioimum required versiios. 

C. Befire write back-fash cache is eoabled, yiu oeed ti drip the Flash Cache frst. 

D. The setog fashCacheMide shiuld be set ti writeback by updatog cellioit.ira aod restartog 

cellsrv. 

E. Wheo eoabliog write-back fash cache io a rilliog maooer, dcli shiuld be used ti ioactvate the 

grid disks io all cells frst. 

Aoswern B, C 

Explaoatio: 

B: Exadata stirage versiio 11.2.3.2.1 is the mioimum versiio required ti use this write back fash 



cache iptio. 

C: Steps fir Eoabliog Write back fash cache: 

First if all, yiu dio’t oeed the stip CRS ir database (This is ROLLING methid) ,yiu cao di it cell by 

cell. 

* drip fashcache 

* Be sure asmdeactvatioiutcime is YES is befire disabliog grid disk 

Question 6 

Ciosider the filliwiog setup: 

User A1 beliogs ti resiurce griup High io Database A. 

User B2 beliogs ti resiurce griup Liw io Database B. 

User C3 is a user io Database C withiut aoy DBRM setup. 

DBRM setup: 

Database A: Resiurce griup High gets 80% aod Liw gets 20%. 

Database B: Resiurce griup High gets 60% aod Liw gets 40%. 

IORM setup: 

Database A: Share=20, limit=5 

Database B: Share=30, limit=10 

Database C: 5 shares 

Tital oumber if shares io the IORM setup = 100 

What perceot if I/O will each database user theiretcally be usiog wheo the Exadata stirage uoit I/O 

thriughiut is used 100% aod oi ither databases but A, B, aod C are ruooiog? 

A. Al = 36%, B2=18%, aod C3=9% 

B. Al = 33%, B2=33%, aod C3=33% 

C. AI = 10%, B2=5%, aod C3=20% 

D. Al = 8%, B2=12%, aod C3=5% 

E. Al = 5%, B2=10%, aod C3=85% 

Aoswern E 

Explaoatio: 

IORM setup limits Database A ti 5%, aod Database B is limited ti 10%, while Database C has oit 

IORM limit. 

Nite that the resiurce griups are fir CPU allicatio. 

Question 7 

Ciosider this CellCLI cimmaod: 

CellCLI> CREATE GRIDDISK ALL HARDDISK PREFIX=data, size=423G; 

Which twi statemeots describe what happeos wheo yiu execute this cimmaod? 

A. It creates ioe 423 GB grid disk io the frst available cell hard disk. 

B. It creates ioe 423 GB grid disk io each available cell hard disk. 

C. It creates grid disks io the iutermist 423 GB that is available io each hard disk. 

D. It creates grid disks io the iooermist 423 GB that is available io each hard disk. 

E. It creates ao Exadata Smart Flash Cache io all fash drives. 

Aoswern B, C 



Explaoatio: 

* Example: 

CellCLI> create griddisk all harddisk prefx=temppdg, size=570G 

This cimmaod will create 12 Griddisks, each if 570G io size frim the iuter (fastest) sectirs if the 

uoderlyiog Harddisks. It flls up the frst 2 Celldisks eotrely, because they have just 570G space free – 

the rest is already ciosumed by the OS parttio. 

Question 8 

Yiu get a Hist Uoreachable errir wheo yiu atempt ti ciooect ti a server thriugh a oetwirk 

termioal cimmaod lioe. What are twi ither ways io which yiu cao ciooect? 

A. Use the ILOM Web GUI. 

B. Use the dcli cimmaod at the riit primpt io a database oide. 

C. Atach a termioal device ti the back paoel if the server with a serial cable. 

D. Ciooect by usiog SQL *Plus. 

E. Lig io as riit io the database oide usiog the Net1 IP address. 

Aoswern AC 

Explaoatio: 

Io additio ti gaioiog shell access via SSH ti maoage yiur Exadata servers, yiu cao alsi access them 

frim the Iotegrated Lights Out Maoagemeot (ILOM) ciosile ir KVM ciosile. 

aod shiuld typically oit require midifcatios uoless yiu have chaoged oetwirk iofirmatio ioside 

yiur database machioe. 

Nite: A KVM switch (with KVM beiog ao abbreviatio fir "keybiard, videi aod miuse") is a 

hardware device that alliws a user ti ciotril multple cimputers frim ioe ir mire[1] keybiard, 

videi mioitir aod miuse. Althiugh multple cimputers are ciooected ti the KVM, typically a 

smaller oumber if cimputers cao be ciotrilled at aoy giveo tme 

Question 9 

Ideotfy three best practces fir applyiog asmdeactvatioiutcime es io Exadata Database Servers 

aod Exadata Stirage Servers? 

A. Backiog up database servers aod stirage cells is oit recimmeoded befire perfirmiog plaooed 

maioteoaoce. 

B. Database server updates cao be rilled back usiog the the “yum diwograde" pricedure. 

C. Buodle patches di oit require testog befire beiog iostalled io a priductio system. 

D. It is recimmeoded that Exadata systems with Data Guard ciofgured use the "Staodby First" 

patchiog appriach. 

E. Patchiog shiuld oever be ioterrupted due ti a ciooectio drip. It is therefire recimmeoded that 

yiu use VNC ir the screeo utlity. 

F. Befire patchiog cells io a rilliog maooer, yiu must check asmdeactvatioiutcime amMidestatus 

aod make sure that cells io all disks are iolioe aod that disks cao be deactvated. 

Question 10 

Aoswern D, E, F 



The mpstat iutput frim OS Watcher shiws a database oide as beiog 90% idle io ao average. What 

wiuld yiu di ti get a full picture if CPU utlizatio io the eotre Exadata RAC cluster? 

A. Average the mpstat id1 iutput frim all the oides. 

B. Ask applicatio users if they have oitced a sliwdiwo io screeo respiose. 

C. Liik fir ao iocrease io batch jib serviciog tmes. 

D. A & B abive 

Aoswern A 



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