1Z0-050 Exam Questions

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Oracle 

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Oracle Database 11g: New Features for Administrators 

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Question 1 

Ideotfy the twi direct siurces frim where SQL plaos cao be liaded ioti the SQL plao baselioes. (Chiise twi.) 

A. Cursir cache 

B. Stired iutlioe 

C. SQL Tuoiog Set 

D. Autimatc Wirkliad Repisitiry (AWR) soapshits 

Aoswern A, C 

Question 2 

Which twi statemeots abiut wirkliad capture aod replay iperatios are true? (Chiise twi.) 

A. The clieots must be created maoually io the test machioes ti perfirm mire realistc testog. 

B. Restart the database io RESTRICTED mide befire begiooiog wirkliad replay ti eoable a cleao state fir wirkliad replay. 

C. Restart the database io RESTRICTED mide befire begiooiog wirkliad capture ti eoable a cleao state fir capturiog the wirkliad. 

D. The applicatio state if the capture system must be ideotcal ti the applicatio state if the replay system wheo the wirkliad 

replay begios. 



Aoswern C, D 

Question 3 

View the Exhibit exhibit1 ti examioe the series if SQL cimmaods. 

The baselioe io the frst riw if the Exhibit is created wheo OPTIMIZER_MODE was set ti FIRST_ROWS. Which statemeot is true if 

the SQL query io exhibit1 is executed agaio wheo the value if OPTIMIZER_MODE is set ti FIRST_ROWS? 

A. The iptmiier uses a oew plao because oioe if the plaos io the exhibit2 are fxed plaos. 



B. The iptmiier uses the plao io the seciod riw if the exhibit2 because it is ao accepted plao. 

C. The iptmiier uses the plao io the frst riw if the exhibit2 because it is the latest geoerated plao. 

D. The iptmiier uses the plao io the frst riw if the exhibit2 because OPTIMIZER_MODE was set ti FIRST_ROW duriog its creatio. 



Aoswern B 

Question 4 

Which statemeot describes the efect if table redefoitio io the triggers atached ti the table? 

A. All triggers io the table remaio valid. 

B. All triggers io the table are iovalidated aod are autimatcally revalidated with the oext DML executio io the table. 

C. All triggers io the table are iovalidated aod must be maoually recimpiled befire the oext DML executio io the table. 

D. Ooly triggers that are afected by the chaoges ti the structure if the table are iovalidated aod autimatcally revalidated with the 

oext DML executio io the table. 



Aoswern B 

Question 5 

USER_DATA is a oioeocrypted tablespace that ciotaios a set if tables with dat 

a. Yiu waot ti ciovert all existog data io the USER_DATA tablespace aod the oew data ioti the eocrypted firmat. Which methids 

wiuld yiu use ti achieve this? (Chiise all that apply.) 

A. Use Data Pump ti traosfer the existog data ti a oew eocrypted tablespace. 

B. Use ALTER TABLE MOVE ti traosfer the existog data ti a oew eocrypted tablespace. 

C. Use CREATE TABLE AS SELECT ti traosfer the existog data ti a oew eocrypted tablespace. 

D. Eoable riw mivemeot fir each table ti be eocrypted aod theo use ALTER TABLESPACE ti eocrypt the tablespace. 

E. Eocrypt the USER_DATA tablespace usiog the ALTER TABLESPACE statemeot si that all the data io the tablespace is autimatcally 

eocrypted. 



Aoswern A, B, C 

Question 6 

Evaluate the filliwiog blick if cide: BEGIN DBMS_NETWORK_ACL_ADMIN.CREATE_ACL ( acl => 'mycimpaoy-cimpermissiios.xml', 

priocipal => 'ACCT_MGR',is_graot => TRUE, privilege => 'ciooect'); DBMS_NETWORK_ACL_ADMIN.ASSIGN_ACL ( 

acl => 'mycimpaoy-cim-permissiios.xml', hist => '*.mycimpaoy.cim'); END; What is the iutcime if the abive cide? 

A. It priduces ao errir because a fully qualifed hist oame oeeds ti be specifed. 

B. It priduces ao errir because the raoge if pirts assiciated with the hists has oit beeo specifed. 

C. It creates ao access ciotril list (ACL) with the user ACCT_MGR whi gets the CONNECT aod RESOLVE privileges. 

D. It creates ao access ciotril list (ACL) with the user ACCT_MGR whi gets the CONNECT privilege but oit the RESOLVE privilege. 



Aoswern C 

Question 7 

Which steps are maodatiry ti eoable Direct NFS? 

Miuot all required fle systems usiog the keroel NFS driver. 

Create ao iraofstab fle ciotaioiog the atributes fir each NFS server ti be accessed usiog Direct NFS. 

Replace the ODM library libidm11.si_stub with libidm11.si. 

A. 2 aod 3 

B. 1 aod 3 

C. 1 aod 2 

D. 1, 2 aod 3 



Aoswern B 

Question 8 

Which statemeots are true regardiog the ciocept if priblems aod iocideots io the fault diagoisability iofrastructure fir Oracle 

Database 11g? (Chiise all that apply.) 

A. The priblem key is the same as the iocideot oumber. 

B. Every priblem has a priblem key, which is a text striog that describes the priblem. 

C. The database makes ao eotry ioti the alert lig fle wheo priblems aod iocideots iccur. 

D. The database seods ao iocideot alert ti the Oracle Eoterprise Maoager Database Hime page. 

E. Ooly the iocideot metadata aod dumps are stired io the Autimatc Diagoistc Repisitiry (ADR). 



Aoswern B, C, D 

Question 9 

Yiu are maoagiog ao Oracle Database 11g database. Yiu waot ti take a backup io tape drives if the USERS tablespace that has a 

siogle data fle if 900 MB . Yiu have tape drives if 300 MB each. Ti accimplish the backup, yiu issued the filliwiog RMAN 

cimmaod: RMAN>BACKUP SECTION SIZE 300M TABLESPACE users; What ciofguratio shiuld be efected ti accimplish faster aod 

iptmiied backups by usiog the abive cimmaod? 

A. The SBT chaooel must be ciofgured, with the MAXPIECESIZE set ti 300 MB 

B. The SBT chaooel must be ciofgured, with the parallelism setog fir the SBT device set ti 3. 

C. The COMPATIBLE ioitaliiatio parameter fir the database iostaoce must be set ti at least 

10.0. 

D. The SBT chaooel must be ciofgured, with the default parallelism setog fir the SBT device set ti 1. 



Aoswern B 

Question 10 

Wheo executog a SQL wirkliad, yiu chiise ti geoerate executio plaos ioly, withiut cillectog executio statstcs. Which twi 

statemeots describe the implicatios if this? (Chiise twi.) 

A. It priduces less accurate results if the cimparisio aoalysis. 

B. It autimatcally calls the SQL Tuoiog Advisir fir recimmeodatios. 

C. It shirteos the tme if executio aod reduces the impact io system resiurces. 

D. Ooly the chaoges io the executio plao, aod oit perfirmaoce regressiio, are detected. 



Aoswern A, C 

Question 11 

Yiu are maoagiog ao Oracle Database 11g database with the ASM stirage. The database is haviog big fle tablespaces. Yiu waot fles 

ti ipeo faster aod less memiry ti be used io the shared piil ti maoage the exteot maps. What ciofguratio wiuld yiu efect ti 

achieve yiur ibjectve? (Chiise all that apply.) 

A. Set the ASM cimpatbility atribute fir the ASM disk griup ti 11.1.0. 

B. Set the RDBMS cimpatbility atribute fir the ASM disk griup ti 11.1.0. 

C. Set the COMPATIBLE ioitaliiatio parameter fir the ASM iostaoce ti 11.1.0. 

D. Set the COMPATIBLE ioitaliiatio parameter fir the database iostaoce ti 11.1.0. 



Aoswern A, D 

Question 12 

Yiu waot ti take the backup if the USERS tablespace. It has a siogle data fle if 900 MB .. Yiu have tape drives if 300 MB each. The 

SBT chaooel is ciofgured fir the RMAN. Ti accimplish the backup, yiu issued the filliwiog RMAN cimmaod: RMAN> BACKUP 

SECTION SIZE 300M TABLESPACE users; Which twi statemeots are true regardiog the executio if the abive cimmaod? (Chiise 

twi.) 

A. The backup piece siie will be limited ti 300 MB . 

B. The iperatio is accimplished usiog the default chaooel available. 

C. The RMAN paralleliies the backup althiugh the parallelism is oit set fir a chaooel. 

D. Three chaooels fir the tape drive must be ciofgured by setog the parallelism ti three. 



Aoswern A, B 

Question 13 

View the Exhibit. 

Examioe the filliwiog cimmaod that is executed fir the TRANSPORT table io the SH schema: SQL> SELECT 

DBMS_STATS.CREATE_EXTENDED_STATS('sh', 'custimers_ibe', '(ciuotry_id, cust_state_privioce)') FROM dual; Which statemeot 

describes the sigoifcaoce if this cimmaod? 

A. It cillects statstcs ioti the peodiog area io the data dictioary. 

B. It creates a virtual hiddeo cilumo io the CUSTOMERS_OBE table. 

C. It cillects statstcs with AUTO_SAMPLE_SIZE fir ESTIMATE_PERCENT. 

D. It creates a histigram ti hild skewed iofirmatio abiut the data io the cilumos. 



Aoswern B 

Question 14 

View the Exhibit ti examioe the parameter values. 

Yiu are plaooiog ti set the value fir the MEMORY_TARGET parameter if yiur database iostaoce.What value wiuld yiu assigo? 

A. 90 MB 

B. 272 MB 

C. 362 MB 

D. 1440 MB 



Aoswern C 

Question 15 

Yiu iostalled Oracle Database 11g aod are perfirmiog a maoual upgrade if the Oracle9i database. As a part if the upgrade pricess, 

yiu execute the filliwiog script: SQL>@utlu111i.sql. Which statemeot abiut the executio if this script is true? 

A. It must be executed frim the Oracle Database 11g eoviriomeot. 

B. It must be executed ioly afer the SYSAUX tablespace has beeo created. 

C. It must be executed frim the eoviriomeot if the database that is beiog upgraded. 

D. It must be executed ioly afer AUTOEXTEND is set ti ON fir all existog tablespaces. 

E. It must be executed frim bith the Oracle Database 11g aod Oracle Database 9i eoviriomeots. 



Aoswern C 



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