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1. Oracle Oracle Database 11g Administrator Certified Professional 1Z0-050 Exam QUESTIONS & ANSWERS (FREE - DEMO VERSION) Download Now Updated 1Z0-050 Exam PFD Demo Buy Full Product Here https://authenticdumps.com/dumps/1z0-050/

2. Question 1 Identif the two direct sources irom where SQL plans can be loaded into the SQL plan baselines. (Choose two.) A. Cursor cache B. Stored outline C. SQL Tuning Set D. Automatc Workload Repositorf (AWR) snapshots Aoswern A, C Question 2 Which two statements about workload capture and replaf operatons are true? (Choose two.) A. The clients must be created manuallf on the test machines to periorm more realistc testng. B. Restart the database in RESTRICTED mode beiore beginning workload replaf to enable a clean state ior workload replaf. C. Restart the database in RESTRICTED mode beiore beginning workload capture to enable a clean state ior capturing the workload. D. The applicaton state oi the capture sfstem must be identcal to the applicaton state oi the replaf sfstem when the workload replaf begins.

3. Aoswern C, D Question 3 View the Exhibit exhibit1 to examine the series oi SQL commands. The baseline in the frst row oi the Exhibit is created when OPTIMIZER_MODE was set to FIRST_ROWS. Which statement is true ii the SQL querf in exhibit1 is executed again when the value oi OPTIMIZER_MODE is set to FIRST_ROWS? A. The optmiier uses a new plan because none oi the plans in the exhibit2 are fxed plans.

4. B. The optmiier uses the plan in the second row oi the exhibit2 because it is an accepted plan. C. The optmiier uses the plan in the frst row oi the exhibit2 because it is the latest generated plan. D. The optmiier uses the plan in the frst row oi the exhibit2 because OPTIMIZER_MODE was set to FIRST_ROW during its creaton.

5. Aoswern B Question 4 Which statement describes the efect oi table redefniton on the triggers atached to the table? A. All triggers on the table remain valid. B. All triggers on the table are invalidated and are automatcallf revalidated with the next DML executon on the table. C. All triggers on the table are invalidated and must be manuallf recompiled beiore the next DML executon on the table. D. Onlf triggers that are afected bf the changes to the structure oi the table are invalidated and automatcallf revalidated with the next DML executon on the table.

6. Aoswern B Question 5 USER_DATA is a nonencrfpted tablespace that contains a set oi tables with dat a. You want to convert all existng data in the USER_DATA tablespace and the new data into the encrfpted iormat. Which methods would fou use to achieve this? (Choose all that applf.) A. Use Data Pump to transier the existng data to a new encrfpted tablespace. B. Use ALTER TABLE MOVE to transier the existng data to a new encrfpted tablespace. C. Use CREATE TABLE AS SELECT to transier the existng data to a new encrfpted tablespace. D. Enable row movement ior each table to be encrfpted and then use ALTER TABLESPACE to encrfpt the tablespace. E. Encrfpt the USER_DATA tablespace using the ALTER TABLESPACE statement so that all the data in the tablespace is automatcallf encrfpted.

7. Aoswern A, B, C Question 6 Evaluate the iollowing block oi code: BEGIN DBMS_NETWORK_ACL_ADMIN.CREATE_ACL ( acl => 'mfcompanf-com- permissions.xml', principal => 'ACCT_MGR',is_grant => TRUE, privilege => 'connect'); DBMS_NETWORK_ACL_ADMIN.ASSIGN_ACL ( acl => 'mfcompanf-com-permissions.xml', host => '*.mfcompanf.com'); END; What is the outcome oi the above code? A. It produces an error because a iullf qualifed host name needs to be specifed. B. It produces an error because the range oi ports associated with the hosts has not been specifed. C. It creates an access control list (ACL) with the user ACCT_MGR who gets the CONNECT and RESOLVE privileges. D. It creates an access control list (ACL) with the user ACCT_MGR who gets the CONNECT privilege but not the RESOLVE privilege.

8. Aoswern C Question 7 Which steps are mandatorf to enable Direct NFS? Mount all required fle sfstems using the kernel NFS driver. Create an oranistab fle containing the atributes ior each NFS server to be accessed using Direct NFS. Replace the ODM librarf libodm11.so_stub with libodm11.so. A. 2 and 3 B. 1 and 3 C. 1 and 2 D. 1, 2 and 3

9. Aoswern B Question 8 Which statements are true regarding the concept oi problems and incidents in the iault diagnosabilitf inirastructure ior Oracle Database 11g? (Choose all that applf.) A. The problem kef is the same as the incident number. B. Everf problem has a problem kef, which is a text string that describes the problem. C. The database makes an entrf into the alert log fle when problems and incidents occur. D. The database sends an incident alert to the Oracle Enterprise Manager Database Home page. E. Onlf the incident metadata and dumps are stored in the Automatc Diagnostc Repositorf (ADR).

10. Aoswern B, C, D Question 9 You are managing an Oracle Database 11g database. You want to take a backup on tape drives oi the USERS tablespace that has a single data fle oi 900 MB . You have tape drives oi 300 MB each. To accomplish the backup, fou issued the iollowing RMAN command: RMAN>BACKUP SECTION SIZE 300M TABLESPACE users; What confguraton should be efected to accomplish iaster and optmiied backups bf using the above command? A. The SBT channel must be confgured, with the MAXPIECESIZE set to 300 MB B. The SBT channel must be confgured, with the parallelism setng ior the SBT device set to 3. C. The COMPATIBLE initaliiaton parameter ior the database instance must be set to at least 10.0. D. The SBT channel must be confgured, with the deiault parallelism setng ior the SBT device set to 1.

11. Aoswern B Question 10 When executng a SQL workload, fou choose to generate executon plans onlf, without collectng executon statstcs. Which two statements describe the implicatons oi this? (Choose two.) A. It produces less accurate results oi the comparison analfsis. B. It automatcallf calls the SQL Tuning Advisor ior recommendatons. C. It shortens the tme oi executon and reduces the impact on sfstem resources. D. Onlf the changes in the executon plan, and not periormance regression, are detected.

12. Aoswern A, C Question 11 You are managing an Oracle Database 11g database with the ASM storage. The database is having big fle tablespaces. You want fles to open iaster and less memorf to be used in the shared pool to manage the extent maps. What confguraton would fou efect to achieve four objectve? (Choose all that applf.) A. Set the ASM compatbilitf atribute ior the ASM disk group to 11.1.0. B. Set the RDBMS compatbilitf atribute ior the ASM disk group to 11.1.0. C. Set the COMPATIBLE initaliiaton parameter ior the ASM instance to 11.1.0. D. Set the COMPATIBLE initaliiaton parameter ior the database instance to 11.1.0.

13. Aoswern A, D Question 12 You want to take the backup oi the USERS tablespace. It has a single data fle oi 900 MB .. You have tape drives oi 300 MB each. The SBT channel is confgured ior the RMAN. To accomplish the backup, fou issued the iollowing RMAN command: RMAN> BACKUP SECTION SIZE 300M TABLESPACE users; Which two statements are true regarding the executon oi the above command? (Choose two.) A. The backup piece siie will be limited to 300 MB . B. The operaton is accomplished using the deiault channel available. C. The RMAN paralleliies the backup although the parallelism is not set ior a channel. D. Three channels ior the tape drive must be confgured bf setng the parallelism to three.

14. Aoswern A, B Question 13 View the Exhibit. Examine the iollowing command that is executed ior DBMS_STATS.CREATE_EXTENDED_STATS('sh', 'customers_obe', '(countrf_id, cust_state_province)') FROM dual; Which statement describes the signifcance oi this command? the TRANSPORT table in the SH schema: SQL> SELECT A. It collects statstcs into the pending area in the data dictonarf. B. It creates a virtual hidden column in the CUSTOMERS_OBE table. C. It collects statstcs with AUTO_SAMPLE_SIZE ior ESTIMATE_PERCENT. D. It creates a histogram to hold skewed iniormaton about the data in the columns.

15. Aoswern B Question 14 View the Exhibit to examine the parameter values. You are planning to set the value ior the MEMORY_TARGET parameter oi four database instance.What value would fou assign? A. 90 MB B. 272 MB C. 362 MB D. 1440 MB

16. Aoswern C Question 15 You installed Oracle Database 11g and are periorming a manual upgrade oi the Oracle9i database. As a part oi the upgrade process, fou execute the iollowing script: SQL>@utlu111i.sql. Which statement about the executon oi this script is true? A. It must be executed irom the Oracle Database 11g environment. B. It must be executed onlf afer the SYSAUX tablespace has been created. C. It must be executed irom the environment oi the database that is being upgraded. D. It must be executed onlf afer AUTOEXTEND is set to ON ior all existng tablespaces. E. It must be executed irom both the Oracle Database 11g and Oracle Database 9i environments.

17. Aoswern C

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