The Secret of 1Z0-063 test engine

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You rename the undotbs undo tablespace: 

ALTER TABLESPACE undotbs RENAME TO undotbs_old; 

Which statement is true? 

A. The tablespace will be renamed but the data file headers will not be updated. 

B. The statement will fail because you cannot rename an undo tablespace. 

C. The tablespace will be renamed and all the changes will be logged in the alert log. 

D. The tablespace will be renamed and a message written to the alert log indicating that you should change the corresponding initialization parameter. 

E. You must set the undo_tablespace parameter to some other tablespace name before renaming undotbs. 


Q42. A user issues a query on thesales table and receives the following error: 

ERROR at line 1: 

ORA-01565: error in identifying file '/u0l/app/oracle/oradata/ORCL/temp01.dbf' 

ORA-27037: unable to obtain file status 

Which two actions would you take to recover the temporary tablespace? 

A. Drop the tenpOi.dbf file, and then re-create the temp file. 

B. Add a new temp file to the temporary tablespace and drop the tempOi.dbf file. 

C. Shut down the database instance, start up the database instance in mount state, create a new temporary tablespace, and then open the database. 

D. Take the temporary tablespace offline, recover the missing temp file, and then bring the temporary tablespace online. 

E. Create a new temporary tablespace and assign it as the default to the user. 

Answer: D,E 

Q43. Which two statements are true about a common user? 

A. A common user connected to a pluggable database (PDB) can exercise privileges across other PDBs. 

B. A common user with the create user privilege can createother common users, as well as local users. 

C. A common user can be granted only a common role. 

D. A common user can have a local schema in a PDB. 

E. A common user always uses the global temporary tablespace that is defined at the CDB level as the default temporary tablespace. 

Answer: C,D 

Q44. Examine the command: 

$expdp SYSTEM FULL=YES DUMPFILE=dpump_dir1:fulll%U.dmp, dpump_dir2:full2% U.dmp, dpump_dir3:full3%U.djnp FILESIZE=400M PARALLEL=3 JOB_NAME=expfull 

Which statement is true about the execution of the command? 

A. It fails because the log file parameter is not specified. 

B. It fails because no absolutepath is specified for the log file and dump file. 

C. It succeeds and exports the full database, simultaneously creating three copies of dump files at three different locations. 

D. It succeeds and exports the full database, simultaneously creating three dump files at three different locations, but the total number of dump files can exceed three. 


Q45. Your database supports an online transaction processing (OLTP) workload in which one of the applications creates a temporary table for a session and performs transactions on it. This consumes a lot of undo tablespace and is affecting undo retention. 

Which two actions would you take to solve this problem? 

A. Enable temporary undo for the database. 

B. Enable undo retention guarantee. 

C. Increase the size of the redo log buffer. 

D. Enable Automatic Memory Management (AMM). 

E. Increase the size of the temporary tablespace. 

Answer: D,E 

Q46. user_data is a nonencryptedtablespace containing tables with data. 

You must encrypt ail data in this tablespace. 

Which three methods can do this? 

A. Use Data Pump. 



D. Use alter tablespace to encrypt the tablespace after enabling row movement on all its 

E. Use altertablespace to encrypt thetablespace. 

Answer: A,B,C 

Q47. Your multitenant container database (CDB) cdb1, which has no startup triggers and contains multiple pluggable databases (PDBs), is started up by using the command: 


Which two statements are true about the successful execution of the command? 

A. All redo log files are opened. 

B. The root, the seed, and all the PDBs are opened in read-write mode. 

C. All the PDBs are opened in read-write mode. 

D. All the PDBs are in closed state. 

E. Only the root databaseis opened in read-write mode. 

Answer: A,E 

Q48. What can be automatically implemented after the SQL Tuning Advisoris run as part of the Automated Maintenance Task? 

A. statistics recommendations 

B. SQL profile recommendations 

C. SQL statement restructure recommendations 

D. creation of materialized views to improve query performance 



Q49. You issue the command: 


Which statement is true about the command? 

A. It creates a copy of the control file and stores it in the location specified in the diagnostic_dest initialization parameter. 

B. It creates a file that contains theSQL statement, which is required to re-create the control file. 

C. It updates the alert log file with the location and contents of the control file. 

D. It creates a binary backup of the control file. 


Q50. Examine the command and its output: 


SQL> SELECT object_name AS recycle_name, original_name, type FROM recyclebin; 


binsgk31sj/3akk5hg3j21kl5j3d==$0EMPLOYEE TABLE 

You then successfully execute the command: 

SQL> FLASHBACK TABLE "BINSgk31sj/3akk5hg3j21kl5j3d==$0" TO BEFORE DROP; 

Which two statements are true? 

A. It flashes back the employee tableand all the constraints associated with the table. 

B. It automatically flashes back all the indexes on the employes table. 

C. It automatically flashes back any triggers defined on the table. 

D. It flashes back only the structure of the table and not the data. 

E. It flashes back the data from the recycle bin and the existing data in the original table is permanently lost. 

Answer: B,D