1Z0-052 Exam Questions

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Oracle 

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Oracle Database 11g: Administration Workshop I 

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Question 1 

Yiu oitce that the perfirmaoce if the database has degraded because if frequeot 

checkpiiots.Which twi actios resilve the issue? (Chiise twi.) 

A. Disable autimatc checkpiiot tuoiog 

B. Check the size if the redi lig fle size aod iocrease the size if it is small 

C. Set the FAST_START_MTTR_TARGET parameter as per the advice giveo by the MTTRAdvisir 

D. Decrease the oumber if redi lig members if there are mire thao ioe redi lig membersavailable 

io each redi lig griup 

Question 2 

Aoswern B,C 

Ideotfy the memiry cimpioeot frim which memiry may be allicated fir: 

Sessiio memiry fir the shared serverBufers fir I/O slavesOracle Database Recivery 

Maoager(RMAN) backup aod restire iperatios 

A. Large Piil 

B. Redi Lig Bufer 

C. Database Bufer Cache 

D. Prigram Glibal Area (PGA) 

Question 3 

Aoswern A 

Yiu executed the filliwiog cimmaod ti create a tablespace called 

SALES_DATA: 

SQL> CREATE TABLESPACE sales_data DATAFILE SIZE 100M SEGMENT SPACEMANAGEMENT AUTO; 

Which twi statemeots are true abiut the SALES_DATA tablespace? (Chiise twi.) 

A. The database autimatcally determioes the exteot-siziog pilicy fir thetablespace. 

B. The segmeots are autimatcally shruok wheo the cioteots are remived frim them. 

C. The allicatio if exteots withio thetablespace is maoaged thriugh the dictioary tables. 

D. The space utlizatio descriptio if the data blicks io segmeots is recirded io bitmap blicks. 

E. The space utlizatio descriptio if the data blicks io segmeots is maoaged thriugh free lists. 

Question 4 

Io which if the sceoarii will the DBA perfirm recivery? (Chiise all that apply.) 

A. The alert lig fle is cirrupted 

Aoswern A,D 



B. A tablespace is accideotally dripped 

C. Ooe if the redi lig members is cirrupted 

D. A database user termioates the sessiio aboirmally 

E. The hard disk io which the data fles is stired is cirrupted 

Question 5 

Aoswern B,E 

Yiu waot ti eoable archiviog io yiur database. Preseotly, the database is ruooiog io 

NOARCHIVELOG mide. Giveo beliw are the steps ti accimplish the task io raodim irder: 

1. Shut diwo the iostaoce. 

2. Execute the ALTER DATABASE ARCHIVELOG cimmaod. 

3. Start up the iostaoce aod miuot the database. 

4. Set the DB_RECOVERY_FILE_DEST ioitalizatio parameter ti $ORACLE_HOME/dest_1. 

5. Opeo the database. 

Which is the cirrect sequeoce if steps fir accimplishiog the task? 

A. 4, 1, 3, 2, 5 

B. 1, 3, 4, 5, 2 

C. 1, 3, 2, 5; 4 oit required 

D. 4, 1, 5, 2; 3 oit required 

E. 1, 3, 4, 5; 2 oit required 

Question 6 

Aoswern C 

Yiu waot ti check the details if few errirs that users have repirted. Yiu search fir the alert ligfle 

aod execute few cimmaods ti fod the licatio if the alert lig fle. View the Exhibit aod checkthe 

cimmaods executed. What is the licatio if the alert_ircl.lig fle? See the Exhibit: 



A. ORACLE_HOME/dbs 

B. ORACEL_HOME/rdbms 

C. /u01/app/iracle/admio/ircl/adump 

D. /u01/app/iracle/fash_recivery_area 

E. ORACLE_BASE/diag/rdbms/ircl/alert 

F. ORACLE_BASE/diag/rdbms/ircl/ircl/trace 

Question 7 

Aoswern F 

Which statemeots are true regardiog the USERS tablespace? (Chiise all that apply.)See the Exhibit: 



A. A bitmap is used ti recird free exteots 

B. Free exteots iofirmatio is maoaged withio the tablespace 

C. Free exteots iofirmatio is maoaged io the SYSAUX tablespace 

D. The data dictioary tables are updated wheo exteots are allicated ir deallicated 

Question 8 

Examioe the values fir the filliwiog ioitalizatio parameters: 

FAST_START_MTTR_TARGET=0 

LOG_CHECKPOINT_INTERVAL=0 

Which twi will be the implicatios if these values io yiur database? (Chiise twi.) 

A. The SGA advisir will be disabled 

B. The MTTR advisir will be disabled 

C. Autimatc checkpiiot tuoiog will be disabled 

D. Checkpiiot iofirmatio will oit be writeo ti the alert lig fle 

Question 9 

Aoswern A,B 

Aoswern B,C 

Io yiur database iostaoce, the STATISTICS_LEVEL ioitalizatio parameter is set ti BASIC. Whats the 

impact if this setog? 

A. Optmizer statstcs are cillected autimatcally. 

B. Ooly tmed iperatog system (OS) statstcs aod plao executio statstcs are cillected. 

C. The soapshits fir the Autimatc Wirkliad Repisitiry (AWR) are oit geoerated autimatcally. 



D. Soapshits caooit be cillected maoually by usiog the DBMS_WORKLOAD_REPOSITORYpackage. 

E. The Oracle server dyoamically geoerates the oecessary statstcs io tables as part if 

queryiptmizatio. 

Question 10 

Aoswern C 

Yiu have receotly cillected statstcs io certaio ibjects if a schema io yiur database. But yiuibserve 

subiptmal executio plaos fir the queries io these ibjects afer twi days if statstcscillectio. The 

iptmizer statstcs reteotio periid is set ti its default value. Which actio wiuldhelp ti use the 

previius set if statstcs io the ibjects? 

A. Restire statstcs frim statstcs histiry. 

B. Reduce the iptmizer statstcs reteotio periid by 2 days. 

C. Set the OPTIMIZER_PENDING_STATISTICS parameter ti TRUE. 

D. Reduce the Autimatc Wirkliad Repisitiry (AWR) reteotio periid by 2 days. 

Question 11 

Aoswern A 

Which three statemeots regardiog the server parameter fle (SPFILE) are true? (Chiise three.) 

A. Ao SPFILE is a bioary fle 

B. Ao SPFILE caooit reside io a clieot 

C. Ao SPFILE caooit ciotaio statc parameters 

D. Ao SPFILE cao stire chaoges persisteotly acriss iostaoce restarts 

E. Ao SPFILE cao be read by the database server, but it is oit writeo ti by the server 

F. Ao SPFILE must be created maoually, befire creatog a database, eveo if yiu use theDatabase 

Ciofguratio Assistaot (DBCA) ti create the database 

Question 12 

Aoswern A,B,D 

Yiur test database is ciofgured ti ruo io NOARCHIVELOG mide. Ooe if the data fles io theUSERS 

tablespace is list due ti a media failure. Yiu oitce that all the iolioe redi ligs havebeeo 

iverwriteo sioce the last backup.What wiuld yiu di ti reciver the data fle? 

A. Take the USERS tablespace ifioe aod re-create the list data fle 

B. Shutdiwo the iostaoce, restire the data fle frim the last ciosisteot backup aod restart 

thedatabase iostaoce 

C. Shutdiwo the iostaoce, restires all the database fles frim the last ciosisteot backup aodrestart 

the database iostaoce 

D. Take the USERS tablespace ifioe, restire all the data fles if the USERS tablespace frim thelast 

ciosisteot backup aod make the tablespace iolioe 

Aoswern C 



Question 13 

Examioe the cimmaod: 

SQL>DBMS_STATS.SET_TABLE_PREFS('SH','CUSTOMERS','PUBLISH','false'); 

Which statemeot describes the efect if the abive cimmaod? 

A. Autimatc statstcs cillectio is stipped fir the CUSTOMERS table 

B. Statstcs fir the CUSTOMERS table are licked aod caooit be iverwriteo 

C. Existog statstcs fir the CUSTOMERS table becime uousable fir the query iptmizer 

D. Subsequeotly, statstcs gathered io the CUSTOMERS table are stired as peodiog statstcs 

Question 14 

Aoswern D 

The iostaoce aboirmally termioates because if a piwer iutage. Which statemeot is true abiutredi 

lig fles duriog iostaoce recivery? 

A. Ioactve aod curreot redi lig fles are required ti accimplish recivery 

B. Oolioe aod archived redi fles are required ti accimplish iostaoce recivery 

C. All redi lig eotries afer the last checkpiiot are applied frim redi lig fles ti data fles 

D. All redi lig eotries recirded io the curreot lig fle uotl the checkpiiot pisitio are applied tidata 

fles 

Question 15 

Examioe the cimmaod: 

SQL>ALTER USR skd ACCOUNT LOCK; 

Which twi statemeots are true afer the cimmaod is executed? (Chiise twi.) 

Aoswern C 

A. The SKD user caooit lig io ti the database iostaoce 

B. The ibjects iwoed by the SKD user are oit accessible ti aoy user 

C. The ither users cao access the ibjects iwoed by the SKD user, io which they have access 

D. The passwird fir the SKD user expires aod the user is firced ti chaoge the passwird at theoext 

lig io 

Aoswern A,C 



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