Download Oracle Database 12c: Advanced Administration.1z0-063.TestKing.2019-12-26.157q.vcex

Vendor: Oracle
Exam Code: 1z0-063
Exam Name: Oracle Database 12c: Advanced Administration
Date: Dec 26, 2019
File Size: 933 KB
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Question 1
A complete database backup to media is taken for your database every day. Which three actions would you take to improve backup performance? (Choose three.)
  1. Set the backup_tape_io_slaves parameter to true.
  2. Set the dbwr_io_slaves parameter to a nonzero value if synchronous I/O is in use.
  3. Configure large pool if not already done.
  4. Remove the rate parameter, if specified, in the allocate channel command.
  5. Always use RMAN compression for tape backups rather than the compression provided by media manager.
  6. Always use synchronous I/O for the database.
Correct answer: BCD
Explanation:
Reference:http://docs.oracle.com/cd/B19306_01/backup.102/b14191/rcmtunin.htm
Reference:
http://docs.oracle.com/cd/B19306_01/backup.102/b14191/rcmtunin.htm
Question 2
For which three pieces of information can you use the RMAN list command? (Choose three.)
  1. stored scripts in the recovery catalog
  2. available archived redo log files
  3. backup sets and image copies that are obsolete
  4. backups of tablespaces
  5. backups that are marked obsolete according to the current retention policy
Correct answer: ABD
Explanation:
Reference:http://docs.oracle.com/cd/B19306_01/backup.102/b14192/bkup007.htmhttp://docs.oracle.com/cd/B28359_01/backup.111/b28270/rcmreprt.htm#BRADV89585The primary purpose of the LIST command is to list backup and copies. For example, you can list:Backups and proxy copies of a database, tablespace, datafile, archived redo log, or control file Backups that have expired Backups restricted by time, path name, device type, tag, or recoverability Archived redo log files and disk copies
Reference:
http://docs.oracle.com/cd/B19306_01/backup.102/b14192/bkup007.htm
http://docs.oracle.com/cd/B28359_01/backup.111/b28270/rcmreprt.htm#BRADV89585
The primary purpose of the LIST command is to list backup and copies. For example, you can list:
  • Backups and proxy copies of a database, tablespace, datafile, archived redo log, or control file 
  • Backups that have expired 
  • Backups restricted by time, path name, device type, tag, or recoverability 
  • Archived redo log files and disk copies
Question 3
You notice performance degradation in your production Oracle 12c database. You want to know what caused this performance difference. 
Which method or feature should you use?
  1. Database Replay
  2. Automatic Database Diagnostic Monitor (ADDM) Compare Period report
  3. Active Session History (ASH) report
  4. SQL Performance Analyzer
Correct answer: B
Explanation:
Reference:http://docs.oracle.com/cd/E24628_01/server.121/e17635/tdppt_degrade.htm
Reference:
http://docs.oracle.com/cd/E24628_01/server.121/e17635/tdppt_degrade.htm
Question 4
Which three statements are true about a job chain? (Choose three.)
  1. It can contain a nested chain of jobs.
  2. It can be used to implement dependency-based scheduling.
  3. It cannot invoke the same program or nested chain in multiple steps in the chain.
  4. It cannot have more than one dependency.
  5. It can be executed using event-based or time-based schedules.
Correct answer: ABE
Explanation:
Reference:http://docs.oracle.com/cd/B28359_01/server.111/b28310/scheduse009.htm#ADMIN12459
Reference:
http://docs.oracle.com/cd/B28359_01/server.111/b28310/scheduse009.htm#ADMIN12459
Question 5
Because of logical corruption of data in a table, you want to recover the table from an RMAN backup to a specified point in time. 
Examine the steps to recover this table from an RMAN backup:
  1. Determine which backup contains the table that needs to be recovered. 
  2. Issue the recover table RMAN command with an auxiliary destination defined and the point in time specified. 
  3. Import the Data Pump export dump file into the auxiliary instance. 
  4. Create a Data Pump export dump file that contains the recovered table on a target database. 
Identify the required steps in the correct order.
  1. 1, 4, 3
  2. 1, 2
  3. 1, 4, 3, 2
  4. 1, 2, 4
Correct answer: B
Explanation:
Reference: https://docs.oracle.com/database/121/BRADV/rcmresind.htm#BRADV689
Reference: 
https://docs.oracle.com/database/121/BRADV/rcmresind.htm#BRADV689
Question 6
Examine the command:
SQL> RECOVER DATABASE USING BACKUP CONTROLFILE UNTIL CANCEL; 
In which two scenarios is this command required? (Choose two.)
  1. The current online redo log file is missing.
  2. A data file belonging to a noncritical tablespace is missing.
  3. All the control files are missing.
  4. The control file backup is older than the database backup.
  5. All the data files are missing.
Correct answer: CD
Explanation:
Reference:http://searchoracle.techtarget.com/answer/Recover-database-using-backup-controlfile-until-cancel
Reference:
http://searchoracle.techtarget.com/answer/Recover-database-using-backup-controlfile-until-cancel
Question 7
Which two are prerequisites for setting up Flashback Data Archive? (Choose two.)
  1. Fast Recovery Area should be defined.
  2. Undo retention guarantee should be enabled.
  3. Supplemental logging should be enabled.
  4. Automatic Undo Management should be enabled.
  5. All users using Flashback Data Archive should have unlimited quota on the Flashback Data Archive tablespace.
  6. The tablespace in which the Flashback Data Archive is created should have Automatic Segment Space Management (ASSM) enabled.
Correct answer: DF
Explanation:
Reference:http://www.oracle.com/technetwork/database/focus-areas/storage/total-recall-whitepaper-171749.pdf (page 8)
Reference:
http://www.oracle.com/technetwork/database/focus-areas/storage/total-recall-whitepaper-171749.pdf (page 8)
Question 8
The environmental variable oracle_Base is set to /u01/app/oracle and oracle_home is set to /u01/app/oracle/product/12.1.0/db 1. 
You want to check the diagnostic files created as part of the Automatic Diagnostic Repository (ADR). Examine the initialization parameters set in your database. 
NAME TYPE VALUE 
---------------- ------------------- ------------------- 
audit_file_dest string /u01/app/oracle/admin/eml2rep/adump 
background_dump_dest string 
core_dump_dest string 
db_create_file_dest string 
db_recovery_file_dest string /u01/app/oracle/fast_recovery_area 
diagnostic_dest string 
What is the location of the ADR base?
  1. It is set to /u01/app/oracle/product:/12.1.0/db_1/log.
  2. It is set to /u01/app/oracle/admin/enl2r&p/adump.
  3. It is set to /u01/app/oracle.
  4. It is set to /u01/app/oracle/flash_recovery_area.
Correct answer: C
Explanation:
http://docs.oracle.com/cd/B28359_01/server.111/b28310/diag001.htm#ADMIN11008The Automatic Diagnostic Repository (ADR) is a directory structure that is stored outside of the database. It is therefore available for problem diagnosis when the database is down. The ADR root directory is known as ADR base. Its location is set by the DIAGNOSTIC_DEST initialization parameter. If this parameter is omitted or left null, the database sets DIAGNOSTIC_DEST upon startup as follows:If environment variable ORACLE_BASE is set, DIAGNOSTIC_DEST is set to the directory designated by ORACLE_BASE. If environment variable ORACLE_BASE is not set, DIAGNOSTIC_DEST is set to ORACLE_HOME/log.
http://docs.oracle.com/cd/B28359_01/server.111/b28310/diag001.htm#ADMIN11008
The Automatic Diagnostic Repository (ADR) is a directory structure that is stored outside of the database. It is therefore available for problem diagnosis when the database is down. 
The ADR root directory is known as ADR base. Its location is set by the DIAGNOSTIC_DEST initialization parameter. If this parameter is omitted or left null, the database sets DIAGNOSTIC_DEST upon startup as follows:
If environment variable ORACLE_BASE is set, DIAGNOSTIC_DEST is set to the directory designated by ORACLE_BASE. 
If environment variable ORACLE_BASE is not set, DIAGNOSTIC_DEST is set to ORACLE_HOME/log.
Question 9
You wish to create jobs to satisfy these requirements:
  1. Automatically bulk load data from a flat file. 
  2. Rebuild indexes on the SALES table after completion of the bulk load. 
How would you create these jobs?
  1. Create both jobs by using Scheduler raised events.
  2. Create both jobs using application raised events.
  3. Create one job to rebuild indexes using application raised events and another job to perform bulk load using Scheduler raised events.
  4. Create one job to rebuild indexes using Scheduler raised events and another job to perform bulk load by using events raised by the application.
Correct answer: C
Question 10
Your Oracle 12c multitenant container database (CDB) contains multiple pluggable databases (PDBs). In the PDB HR_PDB, the common user C##ADMIN and the local user B_ADMIN have only the CONNECT privilege. 
You create a common role C##ROLE1 with the CREATE ANY TABLE and SELECT ANY TABLE privileges. 
You then execute the commands:
  
Which two statements are true? (Choose two.)
  1. C##ADMIN can create and select any table, and grant the C##ROLE1 role to users only in the root container.
  2. B_ADMIN can create and select any table in both the root container and HR_PDB.
  3. C##ADMIN can create and select any table in the root container and all the PDBs.
  4. B_ADMIN can create and select any table only in HR_PDB.
  5. The GRANT c##role1 TO b_admin command returns an error because CONTAINER should be set to ALL.
Correct answer: CD
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