Oracle 1Z0-067 Dumps 2019

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NEW QUESTION 1
You issue the RMAN commands:
RMAN> CONFIGURE DEFAULT DEVICE TYPE TO disk;
RKAN> CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COPY; RMAN>CONFIGURE CONTROLFILE AUTOBACKUP ON;
RMAN> BACKUP DATABASE PLUS ARCHIVELOG DELETE INPUT;
Which three tasks are performed by the BACKUP DATABASE command?

  • A. switching the online redo log file
  • B. backing up all data files as image copies and archive log files, and deleting those archive log files
  • C. backing up only the used blocks in the data files
  • D. backing up all used and unused blocks in the data files
  • E. backing up all archived log files and marking them as obsolete

Answer: ABD

NEW QUESTION 2
You want to create a guaranteed restore point for your database by executing the command: SQL> CREATE RESTORE POINT dbrsp1 GUARANTEE FLASHBACK DATABASE;
Identify two prerequisites for the successful execution of this command.

  • A. The database must be running in archivelog mode.
  • B. Flashback Database must be enabled.
  • C. Fast Recovery Area must be enabled.
  • D. The recyclebin must be enabled for the database.
  • E. Undo retention guarantee must be enabled.
  • F. A database backup must be take

Answer: AC

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2018-04-01T22:00:00.67<!--StartFragment-->
SQL> select flashback_on from v$database; FLASHBACK_ON
—————— NO
SQL> CREATE RESTORE POINT dbrsp1 GUARANTEE FLASHBACK DATABASE;
Restore point created. SQL> archive log list;
Database log mode Archive Mode Automatic archival Enabled
Archive destination USE_DB_RECOVERY_FILE_DEST Oldest online log sequence 113
Next log sequence to archive 115
Current log sequence 115 SQL>
http://docs.oracle.com/cd/B19306_01/backup.102/b14192/rpfbdb002.htm 2018-04-01T22:00:00.67<!--EndFragment-->

NEW QUESTION 3
As part of a manual upgrade process, after installing the software for Oracle Database 12c and preparing the new Oracle home, you shut down the existing single-instance database.
Which step should you perform next to start the upgrade of the database?

  • A. Start up the database instance by using the new location of the server parameter file and run the catuppst.sqi script to generate informational messages and log files during the upgrade.
  • B. Start up the database instance by using the new location of the server parameter file and run the cact1.pl script from the new Oracle home to use parallel upgrade options that reduce down time.
  • C. Start up the database instance by using the STARTUP UPGRADE command and gather fixed object statistics to minimize the time needed for recompilation.
  • D. Start up the database instance by using the STARTUP UPGRADE command, which opens the existing database, and then performs additional upgrade operations.

Answer: D

NEW QUESTION 4
Which two are prerequisites for creating a backup-based duplicate database?

  • A. connecting to the target database and a recovery catalog to execute the duplicate command
  • B. creating a password file for an auxiliary instance
  • C. connecting to an auxiliary instance
  • D. matching the database identifier (DBID) of the source database and the duplicate database
  • E. creating an SPFILE for the target database

Answer: BC

Explanation: References:
http://docs.oracle.com/cd/E11882_01/backup.112/e10643/rcmsynta020.htm#CHDEDFFH

NEW QUESTION 5
In your database, there are tablespaces that were read-only when the last backup was taken. These tablespaces have not been made read/write since then. You want to perform an incomplete recovery on the database by using a backup control file.
What precaution must you take for the read-only tablespaces before performing an incomplete recovery?

  • A. All the read-only tablespaces should be taken offline.
  • B. All the read-only tablespaces should be restored separately.
  • C. All the read-only tablespaces should be renamed to have the MISSINGnnnn format.
  • D. All the read-only tablespaces should be made online with logging disable

Answer: A

Explanation: Take data files from read-only tablespaces offline before doing recovery with a backup control file, and then bring the files online at the end of media recovery. http://docs.oracle.com/cd/E11882_01/backup.112/e10642/osadvsce.htm#BRADV227

NEW QUESTION 6
You plan to use the In-Database Archiving feature of Oracle Database 12c, and store rows that are inactive for over three months, in Hybrid Columnar Compressed (HCC) format.
Which three storage options support the use of HCC?

  • A. ASM disk groups with ASM disks consisting of Exadata Grid Disks.
  • B. ASM disk groups with ASM disks consisting of LUNS on any Storage Area Network array
  • C. ASM disk groups with ASM disks consisting of any zero padded NFS-mounted files
  • D. Database files stored in ZFS and accessed using conventional NFS mounts.
  • E. Database files stored in ZFS and accessed using the Oracle Direct NFS feature
  • F. Database files stored in any file system and accessed using the Oracle Direct NFS feature
  • G. ASM disk groups with ASM disks consisting of LUNs on Pillar Axiom Storage arrays

Answer: AEG

Explanation: HCC requires the use of Oracle Storage – Exadata (A), Pillar Axiom (G) or Sun ZFS Storage Appliance (ZFSSA).
Note:
* Hybrid Columnar Compression, initially only available on Exadata, has been extended to support Pillar Axiom and Sun ZFS Storage Appliance (ZFSSA) storage when used with Oracle Database Enterprise Edition 11.2.0.3 and above
* Oracle offers the ability to manage NFS using a feature called Oracle Direct NFS (dNFS). Oracle Direct NFS implements NFS V3 protocol within the Oracle database kernel itself. Oracle Direct NFS client overcomes many of the challenges associated with using NFS with the Oracle Database with simple configuration, better performance than traditional NFS clients, and offers consistent configuration across platforms.

NEW QUESTION 7
Which three requirements should be successfully met by an Oracle Secure Backup (OSB) user so that OSB performs RMAN backup or restore requests? (Choose three.)

  • A. assigned to a class with rights to browse all directories and catalogs
  • B. assigned to a class with rights to back up or restore Oracle database
  • C. OSB encryption for data in transport and on tape
  • D. RMAN preauthorization on the host
  • E. matching the OS user identity of the Oracle instance associated with the database username
  • F. scheduling of the RMAN backup to occur automatically at user-defined intervals

Answer: BDE

NEW QUESTION 8
You are administering a multitenant container database (COB) that contains two pluggable databases (PDBs), pdb1 and pdb2. You are connected to pdb2 as a common user with DBA privileges.
The statistics_level parameter is PDB modifiable.
As the user sys, execute the following command on pdb2:
SQL> ALTER SYSTEM SET STATISTICS_LEVEL=ALL SID='*' SCOPE=SPFILE;
Which statement is true about the result of this command?

  • A. The statistics_level parameter is set to all when any of the PDBs is reopened.
  • B. The statistics_level parameter is set to all only for PDB2 when it is reopened.
  • C. The statistics_level parameter is set to all when the root database is restarted.
  • D. The statement is ignored because there is no SPFILE for a PD

Answer: B

Explanation: This ALTER SYSTEM statement sets the STATISTICS_LEVEL initialization parameter to ALL for the current PDB: ALTER SYSTEM SET STATISTICS_LEVEL = ALL SCOPE = MEMORY;

NEW QUESTION 9
Examine the command:
SQL> RECOVER DATABASE USING BACKUP CONTROLFILE UNTIL CANCEL;
In which two scenarios is this command required?

  • A. The current online redo log file is missing.
  • B. A data file belonging to a noncritical tablespace is missing.
  • C. All the control files are missing.
  • D. The database backup is older than the control file backup.
  • E. All the data files are missin

Answer: AC

Explanation: http://searchoracle.techtarget.com/answer/Recover-database-using-backup-controlfile-until-cancel

NEW QUESTION 10
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 create other 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: BD

NEW QUESTION 11
Which three statements are true about Oracle Restart?

  • A. It can be configured to automatically attempt to restart various components after a hardware or software failure.
  • B. While starting any components, it automatically attempts to start all dependencies first and in proper order.
  • C. It can be configured to automatically restart a database in case of normal shutdown of the database instance.
  • D. It can be used to only start Oracle components.
  • E. It runs periodic check operations to monitor the health of Oracle component

Answer: ABE

Explanation: A is correct: Oracle Restart improves the availability of your Oracle database. When you install Oracle Restart, various Oracle components can be automatically restarted after a hardware or software
failure or whenever your database host computer restarts E is correct: Oracle Restart runs periodic check operations to monitor the health of these components. If a check operation fails for a component, the component is shut down and restarted. B is also true About Startup Dependencies Oracle Restart ensures that Oracle components are started in the proper order, in accordance with component dependencies. For example, if database files are stored in Oracle ASM disk groups, then before starting the database instance, Oracle Restart ensures that the Oracle ASM instance is started and the required disk groups are mounted. Likewise, if a component must be shut down, Oracle Restart ensures that dependent components are cleanly shut down first. Oracle Restart also manages the weak dependency between database instances and the Oracle Net listener (the listener): When a
database instance is started, Oracle Restart attempts to start the listener. If the listener startup fails, then the database is still started. If the listener later fails, Oracle Restart does not shut down and restart any database instances.
References: http://docs.oracle.com/cd/E18283_01/server.112/e17120/restart001.htm

NEW QUESTION 12
The CATDB12c database contains an Oracle Database version 12c catalog schema owned by the RC12C user.
The RCAT11 database contains an Oracle Database version 11g catalog schema owned by the RC11 user in which several databases are registered. Both the databases are open.
You execute the RMAN commands:
RMAN> CONNECT CATALOG rc12c/pass12c@catdb12c RMAN> IMPORT CATALOG rc11/pwdcat11@ract11
Which two tasks are performed as part of the import? (Choose two.)

  • A. All databases registered in the RC11 catalog are registered in the RC12C catalog.
  • B. Databases from the RC12C catalog are implicitly unregistered if the RC11 catalog has registered databases with same name.
  • C. Local and global stored scripts that have the same name as existing scripts in the RC12C catalog are automatically renamed.
  • D. Imported databases are unregistered from the RC11 catalog.
  • E. Recovery catalog is resynchronized with the control files of the registered database

Answer: AD

NEW QUESTION 13
Identify three scenarios in which RMAN will use backup sets to perform active database duplication.

  • A. when the duplicate ... from active database command contains the section size clause
  • B. when you perform active database duplication on a database with flashback disabled
  • C. when you specify set encryption before the duplicate ... from active database command
  • D. when the number of auxiliary channels allocated is equal to or greater than the number of target channels
  • E. when you perform active database duplication on a database that has read-only tablespaces

Answer: ACD

Explanation: Starting with Oracle Database 12c Release 1 (12.1), RMAN can use backup sets to transfer the source database files that need to be duplicated. The backup sets are transferred over the network to the auxiliary database. Backup sets can be encrypted for additional security. Specify the encryption
algorithm by using the SET ENCRYPTION ALGORITHM command before the DUPLICATE command. RMAN uses backup sets to perform active database duplication when the connection to the target database is established using a net service name and any one of the following conditions is satisfied:
The DUPLICATE ... FROM ACTIVE DATABASE command contains either the USING BACKUPSET, USING
COMPRESSED BACKUPSET, or SECTION SIZE clause. The number of auxiliary channels allocated is equal to or greater than the number of target channels allocated. http://docs.oracle.com/database/121/BRADV/rcmdupdb.htm#BRADV298

NEW QUESTION 14
What two are the prerequisites for enabling Flashback Database?

  • A. The database must be in ARCHIVELOG mode
  • B. The database must be in MOUNT EXCLUSIVE mode
  • C. The database must be opened in RESTRICTED mode
  • D. The database instance must be started in the NOMOUNT state
  • E. The database instance must have the keep buffer pool defined

Answer: AB

NEW QUESTION 15
You want to move your existing recovery catalog to another database. Examine the steps:
1) Export the catalog data by using the Data Pump Export utility in the source database.
2) Create a recovery catalog user and grant the necessary privileges in the target database.
3) Create a recovery catalog by using the create catalog command.
4) Import the catalog data into the new recovery catalog by using the Data Pump Import utility in the target database.
5) Import the source recovery catalog schema by using the import catalog command.
6) Connect to the destination database.
7) Connect as catalog to the destination recovery catalog schema.
Identify the option with the correct sequence for moving the recovery catalog.

  • A. 1, 6, 4
  • B. 2, 3, 7, 5
  • C. 1, 2, 6, 4
  • D. 1, 2, 3, 6, 5

Answer: B

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.

NEW QUESTION 17
Your multitenant container database (CDB) cdb1 that is running in archivelog mode contains two pluggable databases (PDBs), pdb2_1 and pdb2_2. RMAN is connected to the target database pdb2_1. Examine the command executed to back up pdb2_1:
RMAN> BACKUP DATABASE PLUS ARCHIVELOG;
Which statement is true about the execution of this command?

  • A. It fails because archive log files cannot be backed up using a connection to a PDB.
  • B. It succeeds but only the data files belonging to the pdb2_i pluggable database are backed up.
  • C. It succeeds and all data files belonging to PD2_i are backed up along with the archive log files.
  • D. It fails because the pluggable clause is missin

Answer: B

Explanation: Reference: http://docs.oracle.com/database/121/BRADV/rcmcnctg.htm#CEGCCEIE

NEW QUESTION 18
Examine the parameters for your database instance: NAME TYPE VALUE
-----------------------------------------------------------------------------------------------------
optimizer_adaptive_reporting_onlyboolean FALSE optimizer_capture_sql_plan_baselinesboolean FALSE optimizer_dynamic_samplinginteger 2
optimizer_features_enablestring 12.1.0.1
Which three statements are true about the process of automatic optimization by using statistics feedback?

  • A. The optimizer automatically changes a plan during subsequent execution of a SQL statement if there is a huge difference in optimizer estimates and execution statistics.
  • B. The optimizer can CK optimize a query only once using cardinality feedback.
  • C. The optimizer enables monitoring for cardinality feedback after the first execution of a query.
  • D. The optimizer does not monitor cardinality feedback if dynamic sampling and multicolumn statistics are enabled.
  • E. After the optimizer identifies a query as a re-optimization candidate, statistics collected by the collectors are submitted to the optimizer.

Answer: ACD

Explanation: C: During the first execution of a SQL statement, an execution plan is generated as usual.
D: if multi-column statistics are not present for the relevant combination of columns, the optimizer can fall back on cardinality feedback.
(not B)* Cardinality feedback. This feature, enabled by default in 11.2, is intended to improve plans for repeated executions.
optimizer_dynamic_sampling optimizer_features_enable
Dynamic sampling or multi-column statistics allow the optimizer to more accurately estimate selectivity of conjunctive predicates.
Note:
* OPTIMIZER_DYNAMIC_SAMPLING controls the level of dynamic sampling performed by the optimizer.
Range of values. 0 to 10
Cardinality feedback was introduced in Oracle Database 11gR2. The purpose of this feature is to automatically improve plans for queries that are executed repeatedly, for which the optimizer does not estimate cardinalities in the plan properly. The optimizer may misestimate cardinalities for a variety of reasons, such as missing or inaccurate statistics, or complex predicates. Whatever the reason for the misestimate, cardinality feedback may be able to help.

NEW QUESTION 19
Which two statements are true about service creation for pluggable databases (PDBs)?

  • A. When a PDB is created, a service is automatically started in the instance with the same name as the PDB.
  • B. The default service that is automatically created by a database at the time of PDB creation can be dropped, provided a new additional service is created.
  • C. A database managed by Oracle Restart can have additional services created or existing services modified by using the srvctl utility for each PDB.
  • D. Only a common user can create additional services for a PDB.
  • E. When a PDB is created, a service with the same name as the PDB is created in the PD

Answer: AC

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