Download Oracle Database 12c: Advanced Administration.1z0-063.SelfTestEngine.2019-10-10.160q.vcex

Vendor: Oracle
Exam Code: 1z0-063
Exam Name: Oracle Database 12c: Advanced Administration
Date: Oct 10, 2019
File Size: 1 MB
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Demo Questions

Question 1
Which two statements are true about scheduling operations in a pluggable database (PDB)? (Choose two.)
  1. Scheduler jobs for a PDB can be defined only at the container database (CDB) level.
  2. A job defined in a PDB runs only if that PDB is open.
  3. Scheduler attribute setting is performed only at the CDB level.
  4. Scheduler objects created by users can be exported or imported using Data Pump.
  5. Scheduler jobs for a PDB can be created only by common users.
Correct answer: BD
Question 2
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 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
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 8
A database is running in archivelog mode. The database contains locally managed tablespaces. Examine the RMAN command:
RMAN> BACKUP 
AS COMPRESSED BACKUPSET 
SECTION SIZE 1024M 
DATABASE; 
Which statement is true about the execution of the command?
  1. The backup succeeds only if all the tablespaces are locally managed.
  2. The backup succeeds only if the RMAN default device for backup is set to disk.
  3. The backup fails because you cannot specify section size for a compressed backup.
  4. The backup succeeds and only the used blocks are backed up with a maximum backup piece size of 1024 MB.
Correct answer: D
Question 9
In your database, the tbs percent used parameter is set to 60 and the tbs percent free parameter is set to 20. 
Which two storage-tiering actions might be automated when using Information Lifecycle Management (ILM) to automate data movement? (Choose two.)
  1. The movement of all segments to a target tablespace with a higher degree of compression, on a different storage tier, when the source tablespace exceeds tbs percent used
  2. Setting the target tablespace to read-only after the segments are moved
  3. The movement of some segments to a target tablespace with a higher degree of compression, on a different storage tier, when the source tablespace exceeds T3S percent used
  4. Taking the target tablespace offline after the segments are moved
  5. The movement of some blocks to a target tablespace with a lower degree of compression, on a different storage tier, when the source tablespace exceeds tbs percent used
Correct answer: BC
Question 10
You want RMAN to make duplicate copies of data files when using the backup command. 
What must you set using the RMAN configure command to achieve this?
  1. MAXSETSIZE TO 2;
  2. DEVICE TYPE DISK PARALLELISM 2 BACKUP TYPE TO BACKUPSET;
  3. CHANNEL DEVICE TYPE DISK FORMAT '/disk1/%U' , '/disk2/%U';
  4. DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 2;
Correct answer: D
Explanation:
Reference:http://docs.oracle.com/cd/B14117_01/server.101/b10734/rcmconfg.htmhttp://docs.oracle.com/cd/B28359_01/backup.111/b28270/rcmconfa.htm#BRADV137
Reference:
http://docs.oracle.com/cd/B14117_01/server.101/b10734/rcmconfg.htm
http://docs.oracle.com/cd/B28359_01/backup.111/b28270/rcmconfa.htm#BRADV137
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