Oracle 1Z0-067 Free Practice Questions 2021

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NEW QUESTION 1
Which two can be backed up by using RMAN in a database that is in ARCHIVELOG mode? Choose two.

A. data files while the database is in NOMOUNT state
B. data blocks in data files that have changed since the previous backup
C. PFILE and password file in MOUNT state
D. data files while the database is open
E. online redo log files while the database is open

Answer: BD

NEW QUESTION 2
Which four tablespace types can be renamed? Choose four.

A. the default permanent tablespace
B. the SYSTEM tablespace
C. a temporary tablespace
D. a read-only tablespace
E. an offline tablespace
F. an undo tablespace

Answer: ACDF

NEW QUESTION 3
Which three statements are true about unplugging a pluggable database (PDB)?

A. The PDB must be open in read only mode.
B. The PDB must be dosed.
C. The unplugged PDB becomes a non-CDB.
D. The unplugged PDB can be plugged into the same multitenant container database (CDB)
E. The unplugged PDB can be plugged into another CDB.
F. The PDB data files are automatically removed from dis

Answer: BDE

Explanation: B, not A: The PDB must be closed before unplugging it.
D: An unplugged PDB contains data dictionary tables, and some of the columns in these encode information in an endianness-sensitive way. There is no supported way to handle the conversion of such columns automatically. This means, quite simply, that an unplugged PDB cannot be moved across an endianness difference.
E (not F): To explogt the new unplug/plug paradigm for patching the Oracle version most effectively, the source and destination CDBs should share a filesystem so that the PDB’s datafiles can remain in place.

NEW QUESTION 4
You create a new database by using the CREATE DATABASE command in SQL*Plus, with the ENABLE PLUGGABLE DATABASE clause specified.
Which statement is true about the database that is created? (Choose the best answer.)

A. It is created as a non-CDB that becomes a CDB after the first PDB is plugged in.
B. It is created as a container database (CDB) with CDB$ROOT, PDB$SEED, and a pluggable database (PDB).
C. It is created as a PDB that must be plugged into an existing CDB.
D. It is created as a CDB with the CDB$ROOT and PDB$SEED database

Answer: D

NEW QUESTION 5
Examine the steps to configure Oracle Secure Backup (OSB) for use with RMAN: 1.Create media families for data files and archived redo log files.
2.Configure database backup storage selectors or RMAN media management parameters. 3.Create an OSB user preauthorized for RMAN operations.
4. Configure RMAN Access to the OSB SBT.
5. Disable Non-Uniform Memory Access (NUMA) awareness by setting the ob_ignore_numa parameter to 0.
Identify the steps in the correct order.

A. 1, 4, 3, 2, 5
B. 1, 3, 4, 5, 2
C. 4, 3, 1, 2, 5
D. 4, 3, 5, 1, 2

Answer: C

NEW QUESTION 6
In your multitenant container database (CDB) that contains pluggable databases (PDBs), the hr user executes the following commands to create and grant privileges on a procedure:
CREATEORREPLACEPROCEDUREcreate_test_v(v_emp_idNUMBER,v_enameVARCHAR2,v_SALARYNU MBER,v_dept_idNUMBER)
BEGIN
INSERT INTO hr.test VALUES (v_emp_id, v_ename, v salary, v_dept_id); END;
/
GRANT EXECUTE ON CREATE_TEST TO John, jim, smith, king;
How can you prevent users having the execute privilege on the create_test_v procedure from inserting values into tables on which they do not have any privileges?

A. Create the create_test procedure with definer's rights.
B. Grant the execute privilege to users with grant option on the create_test procedure.
C. Create the create_test procedure with invoker's rights.
D. Create the create_test procedure as part of a package and grant users the execute privilege on the package.

Answer: C

Explanation: You can control access to privileges that are necessary to run user-created procedures by using definer’s rights, which execute with the privileges of the owner, or with invoker’s rights, which execute with the privileges of the user running the procedure.

NEW QUESTION 7
You execute the RMAN commands:
RMAN> BACKUP VALIDATE DATABASE; RMAN> RECOVER CORRUPTION LIST;
Which task is performed by these commands?

A. Corrupted blocks, if any, are repaired in the backup created.
B. Only those data files that have corrupted blocks are backed up.
C. Corrupted blocks in the data files are checked and repaired before performing the database backup.
D. The database is checked for physically corrupt blocks and any corrupted blocks are repaire

Answer: D

Explanation: Reference: http://www.dba-oracle.com/t_rman_36_validate_backup.htm

NEW QUESTION 8
Which three types of failures are detected by the Data Recovery Advisor (DRA)?

A. loss of a non-critical data file
B. loss of a control file
C. physical data block corruption
D. logical data block corruption
E. loss of an archived redo log file

Answer: BDE

Explanation: Data Recovery Advisor can diagnose failures such as the following: Components such as datafiles and control files that are not accessible because they do not exist, do not have the correct access permissions, have been taken offline, and so on Physical corruptions such as block checksum failures and invalid block header field values

NEW QUESTION 9
You execute the commands to configure settings in RMAN: RMAN> CONFIGURE DEVICE TYPE sbt PARALLELISM 1; RMAN> CONFIGURE DEFAULT DEVICE TYPE TO sbt;
RMAN> CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE sbt TO 2; RMAN> CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE sbt TO 2; RMAN> CONFIGURE DATAFILE BACKUP COPIES FOR DRVICE TYPE DISK TO 2;
Then you issue the following command to take a backup: RMAN> BACKUP DATABASE PLUS ARCHIVELOG;
Which statement is true about the execution of these commands? Choose the best answer.

A. It backs up the data files and archived logs to media, making two copies of each data file and archived logs.
B. It backs up two copies each of the data files to disk and media, and two copies of archived logs to media.
C. The backup terminates because the backup destination for disk is not specified in the BACKUP command.
D. It backs up the data files and archived logs, making one copy of each data file and archived log on disk and media.

Answer: B

NEW QUESTION 10
You issue the command:
SQL> ALTER DATABASE BACKUP CONTROLFILE TO TRACE;
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 the SQL 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 fil

Answer: B

Explanation: “TO TRACE” creates a file with the SQL, not a copy of the control file.

NEW QUESTION 11
Which statement is true about the loss or damage of a temp file that belongs to the temporary tablespace of a pluggable database (PDB)?

A. The PDB is closed and the temp file is re-created automatically when the PDB is opened.
B. The PDB is closed and requires media recovery at the PDB level.
C. The PDB does not close and the temp file is re-created automatically whenever the containerdatabase (CDB) is opened.
D. The PDB does not close and starts by using the default temporary tablespace defined for the CD

Answer: C

Explanation: If a temp file belonging to a PDB temporary tablespace is lost or damaged, and the user issuing the statement uses it, an error during the execution of SQL statements that require that temporary space for sorting occurs. ... The PDB can open with a missing temporary file. If any of the temporary files do not exist when the PDB is opened, they are automatically re-created. They are also automatically recreated at CDB startup.

NEW QUESTION 12
You issue commands in SQL*Plus as the Oracle owner, to enable multithreading for your UNIX-based Oracle 12c database:
CONNECT/AS SYSDBA
ALTER SYSTEMSETTHREADED EXECUTION= TRUESCOPE=SPFILE; SHUTDOWNIMMEDIATE
You then restart the instance and get an error: STARTUP
ORA-01031:insufficientprivileges
Why does the startup command return the error shown?

A. because the threaded architecture requires exiting from sql*pIus and reconnecting with sql*PIus / as sysdba before issuing a startup command
B. because the threaded architecture requires issuing a new connect / as sysdba from within sql*pIus before issuing a startup command
C. because the threaded architecture requires authentication using a password file before issuing a startup command
D. because the threaded architecture requires connecting to the instance via a listener before issuing a startup command
E. because the threaded architecture requires restarting the listener before issuing a startup command

Answer: C

Explanation: The first pitfall is, when you try to configure your database for such use. You need a connection which is authenticated trough the password file. Otherwise you will get are error similar to this. https://petesdbablog.wordpress.com/2013/07/09/12c-new-feature-multi-process-multi-threadedoracle/

NEW QUESTION 13
In your database instance, the UNDO_RETENTION parameter is set to 1000 and undo retention is not guaranteed for the fixed size undo tablespace.
Which statement is true about undo retention?

A. Undo becomes expired obsolete after 1000 seconds.
B. Inactive undo is retained for 1000 seconds even if new transactions fail due to lack of space in the undo tablespace.
C. Inactive undo is retained for at least 1000 seconds if free undo space is available.
D. Undo is retained in the UNDO tablespace for 1000 seconds, and then moved to the SYSTEM tablespace to provide read consistency.

Answer: B

NEW QUESTION 14
In which three scenarios is media recovery required?

A. when a tablespace is accidentally dropped from a database
B. when archived redo log files are lost
C. when data files are lost
D. when one of the online redo log members is corrupted
E. when all control files are lost

Answer: ADE

Explanation: References: 2021-04-01T22:02:00.75
2021-04-01T22:02:00.76
2021-04-01T22:02:00.79
2021-04-01T22:02:00.79
2021-04-01T22:02:00.79
http://docs.oracle.com/cd/A87860_01/doc/server.817/a76993/recoscen.htm

NEW QUESTION 15
Which two statements are true about Flashback Version Query?

A. The result of a query can be used as part of a DML statement.
B. It can be used to create views.
C. It can be used only if Flashback Data Archive is enabled for a table.
D. It retrieves all versions of rows that exist in a time interval, including the start time and end time.
E. It can be used to retrieve the SQL that is required to undo a row change and the user responsible for the change.

Answer: DE

NEW QUESTION 16
Automatic Shared Memory Management (ASMm) is enabled for your database instance, but parameters for the managed components are not defined.
You execute this command:
SQL> ALTER SYSTEM SET DB_CACHE_SIZE = 100M;
Which statement is true?

A. The minimum size for the standard buffer cache is 100 MB.
B. The maximum size for the standard buffer cache is 100 MB.
C. The minimum space guaranteed in the buffer cache for any server process is 100 MB.
D. The maximum space in the buffer cache that can be released for dynamic distribution is 100 MB.
E. The minimum size for all buffer caches is 100 M

Answer: A

Explanation: If SGA_TARGET is set: If the parameter is not specified, then the default is 0 (internally determined by the Oracle Database). If the parameter is specified, then the user-specified value indicates a minimum value for the memory pool.

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