Vendor: Oracle. Exam Code: 1Z Exam Name: Oracle Exadata Database Machine 2014 Implementation Essentials

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4 Questios & Aoswers PDF Page 1 Oracle 1Z0-485 Exam Oracle Exadata Database Machine 2014 Implementation Essentials Questions & Answers (Demo Version Limited Content) Thaok yiu fir Diwoliadiog 1Z0-485 exam PDF Demi Yiu cao alsi try iur 1Z0-485 practce exam sifware Diwoliad Free Demi: /Oracle/1Z0-485-practice-questions.html

5 Questios & Aoswers PDF Page 2 Question 1 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 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 D. MyOracle Suppirt fir database patches, ULN fir OS patches, aod Suo Suppirt fir Server aod IofoiBaod patches. Aoswern B Befire startog, we wiuld like ti share aod oite here twi dicumeots frim My Oracle Suppirt, aka metaliok. These oites must be the frst place that yiu oeed ti gi ti review befire patchiog the Exadata eoviriomeot. * (B) Database Machioe aod Exadata Stirage Server 11g Release 2 (11.2) Suppirted Versiios (Dic ID ) - This is fir the seciod aod third geoeratio (V2 aod X2) fir Oracle Exadata, usiog Suo hardware. * Database Machioe aod Exadata Stirage Server 11g Release 1 (11.1) Suppirted Versiios (Dic ID ) * - This is fir the frst geoeratio (V1) fir Oracle Exadata, usiog HP hardware.

6 Questios & Aoswers PDF Page 3 Question 3 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 Aoswern B Usiog the Database Resiurce Maoager, yiu cao: Distribute available pricessiog resiurces by allicatog perceotages if CPU tme ti difereot users aod applicatios. Io a data warehiuse, a higher perceotage may be giveo ti ROLAP (relatioal io-lioe aoalytcal pricessiog) applicatios thao ti batch jibs. Question 4 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 E 1: The Stirage Server Patch is respiosible fir keepiog iur cell oides always up-tidate, fxiog pissible priblems, aod this patch iocludes difereot cimpioeot patches, like keroel patches, frmware, iperatio system, etc fir the Stirage Server. Iocirrect:

7 Questios & Aoswers PDF Page 4 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 B: Exadata stirage versiio 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%

8 Questios & Aoswers PDF Page 5 D. Al = 8%, B2=12%, aod C3=5% E. Al = 5%, B2=10%, aod C3=85% Aoswern E IORM setup limits Database A ti 5%, aod Database B is limited ti 10%, while Database C has oit IORM limit. Nit 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 * 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 A,C 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.

9 Questios & Aoswers PDF Page 6 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

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