Printable & Easy to Use 1Z0-083 Dumps 100% Same Q&A In Your Real Exam [Q159-Q175]

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Printable & Easy to Use 1Z0-083 Dumps 100% Same Q&A In Your Real Exam

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Preparing for the Oracle Database Administration II Exam requires a significant amount of study and practice. Oracle recommends that candidates have at least two years of experience in database administration before attempting 1Z0-083 exam. Candidates can prepare for the exam by taking Oracle University courses, reading Oracle documentation, and practicing with Oracle's software. Many candidates also find it helpful to participate in online discussion forums and study groups to share knowledge and ask questions.


Oracle 1Z1-083 exam covers a wide range of topics related to database administration, including database security, backup and recovery, performance tuning, and data management. 1Z0-083 exam consists of multiple-choice questions, and candidates are required to answer a minimum of 63 questions correctly in order to pass the exam. 1Z0-083 exam is also timed, with a total duration of 120 minutes.

 

NEW QUESTION # 159
Examine these queries and their output:

After a system crash, an instance restart and an attempted opening of the PDBs result in:

Which two are true?

  • A. Data file 24 must be recovered while PDB2 is closed.
  • B. Data file 24 can be recovered while CDB$ROOTand PDB$SEED are opened.
  • C. Data file 24 cannot be recovered while the CDB is opened.
  • D. Data file 24 can be recovered while PDB2 is opened.
  • E. Data file 24 must be recovered while the CDB is opened.

Answer: D,E


NEW QUESTION # 160
Examine this configuration:
1. CDB1 is an Oracle Database 12c Release 2 container database (CDB).
2. PDB1 and PDB2 are two pluggable databases (PDBs) in CDB1.
After successfully performing all the preupgrade tasks, you execute these commands from the Oracle Database 18c environment:
What is the outcome?

  • A. Only CDB$ROOT, PDB$SEED, and PDB1 are upgraded.
  • B. CDB$ROOT, PDB$SEED, PDB1, and PDB2 are upgraded.
  • C. Only CDB$ROOT and PDB$SEED are upgraded.
  • D. Only CDB$ROOT, PDB$SEED, and PDB2 are upgraded.
  • E. It fails because PDB2 is not in UPGRADE state.
  • F. It fails because PDB$SEED is in MIGRATE state.

Answer: C


NEW QUESTION # 161
Choose two. For which two tasks can you use the DBMS_PDB.DESCRIBE procedure?

  • A. to generate an XML metadata file that describes a non-CDB Oracle 12c database so that it can be plugged in as a PDB
  • B. to generate an XML metadata file from any unplugged PDB
  • C. to generate a . pdb archive file for any PDB in the current CDB
  • D. to determine whether an XML file describes a PDB that can be plugged into the CDB in which you run the procedure
  • E. to generate an XML metadata file that describes the current plugged-in PDB

Answer: A,E


NEW QUESTION # 162
Which two are true about changing the LOCAL_UNDO_ENABLED property to false in a CDB? (Choose two.)

  • A. After the change, only a common user with the required privilege can create an undo tablespace in CDB&ROOT.
  • B. After the change, any user with the required privilege can create an undo tablespace in the PDBs.
  • C. After the change, each existing PDB has to be reopened for the new undo mode to take effect.
  • D. After the change, only one undo tablespace can exist in CDB$ROOT.
  • E. Any new PDB and existing PDBs are automatically configured to use the default undo tablespace in CDB$ROOT.
  • F. Undo tablespaces existing in PDBs must be dropped before the change.

Answer: A,B


NEW QUESTION # 163
Which three are true about managing memory components in an Oracle database instance? (Choose three.)

  • A. Automatically tuned and resized System Global Area components will always revert to their initial sizes after an instance restart.
  • B. With Automatic Shared Memory Management, the database instance can increase the Program Global Area size by reducing the System Global Area size.
  • C. On Line Transaction Processing systems often use less Program Global Area than Decision Support Systems.
  • D. Automatic Memory Management must be used together with locking the System Global Area into physical memory.
  • E. With Automatic Shared Memory Management, the database instance can increase the Large Pool size by reducing the Shared Pool size.
  • F. With Automatic Memory Management, the database instance can increase the System Global Area size by reducing the Program Global Area size.

Answer: B,C,E

Explanation:
Explanation/Reference: https://docs.oracle.com/database/121/TGDBA/tune_shared_pool.htm


NEW QUESTION # 164
Choose two. Which two are true about Oracle Grid Infrastructure for a Standalone Server?

  • A. It requires Oracle Automatic Storage Management (ASM) components to be installed separately.
  • B. The CSS daemon runs from the Grid Infrastructure home.
  • C. It supports volume management, file system, and automatic restart capabilities.
  • D. It must be installed before the Oracle database software is installed.
  • E. It can manage database resources on the server where it is installed or on a different server.

Answer: C,D


NEW QUESTION # 165
Which three are true about requirements for various flashback operations?

  • A. flashback drop requires that the recyclebin parameter be set to on.
  • B. flashback version query requires undo to retrieve all versions of a row that existed between two points in time.
  • C. flashback data archive requires undo to store all versions of all rows of a table being tracked.
  • D. flashback transaction query requires undo to retrieve all versions of a row that existed between two points in time.
  • E. flashback drop requires undo to retrieve all versions of a row that existed between two points in time.
  • F. flashback version query requires that the recyclebin parameter be set to on.

Answer: B,C,E


NEW QUESTION # 166
Choose three. You issued this command: RMAN> BACKUP RECOVERY AREA FORCE; Which three are true?

  • A. All files in any previous FRA that have not yet been backed up, are backed up.
  • B. All Oracle recovery files normally written to the FRA and which have been backed up already to in any previous FRA, are backed up.
  • C. All Oracle recovery files normally written to the FRA and which have not yet been backed, are backed up.
  • D. All files in any previous FRA that have been backed up already, are backed up.
  • E. All Oracle recovery files normally written to the FRA and which have been backed up already to the current FRA, are backed up.
  • F. All files in the current fast recovery area (FRA) that have not yet been backed up, are backed up. C)All files in the current FRA that have been backed up already, are backed up.

Answer: B,D


NEW QUESTION # 167
Examine this output:

Which two are true? (Choose two.)

  • A. PDB3 is guaranteed to receive at least 20% of the available system resources if there is enough demand.
  • B. PDB1is always limited to 40% of the available system resources regardless of demand.
  • C. Any PDB not specified in the plan will be unable to execute statements in parallel.
  • D. PDB3 can use all available parallel execution processes at times.
  • E. PDB2is guaranteed at least 25% of the available parallel execution processes if there is enough demand.
  • F. Any PDB not specified in the plan will be able to use a maximum of 16.5% of the available system resources.

Answer: A,C


NEW QUESTION # 168
Which three are true about using an RMAN Recovery Catalog with a pluggable database (PDB) target connection in Oracle Database 19c and later releases? (Choose three.)

  • A. The target PDB must be registered in a base catalog.
  • B. The base catalog owner must give the Virtual Private Catalog access to metadata for one or more PDBs.
  • C. The target PDB must be registered in a Virtual Private Catalog.
  • D. The base catalog must be enabled for Virtual Private Catalog use.
  • E. The base catalog must be used by RMAN when performing point-in-time recovery for the PDB registered in the Virtual Private Catalog.
  • F. The target PDB must be registered in both the base catalog and the Virtual Private Catalog.

Answer: B,C,E

Explanation:
https://docs.oracle.com/en/database/oracle/oracle-database/19/bradv/managing-recovery- catalog.html#GUID-A7502D0D-5840-4B13-869D-7259F2D73119 A base recovery catalog is a database schema that contains RMAN metadata for a set of target databases.
A virtual private catalog is a set of security policies that restrict user access to a subset of a base recovery catalog.


NEW QUESTION # 169
Which two are true about the character sets used in an Oracle database? (Choose two.)

  • A. Unicode is the only supported character set for Oracle databases created using Database Configuration Assistant (DBCA).
  • B. Single-byte character sets always use 8-bit encoding schemes.
  • C. Multibyte character sets allow more efficient space utilization than single byte character sets.
  • D. Single-byte character sets provide better performance than multibyte character sets.
  • E. Unicode enables information from any language to be stored using a single character set.
  • F. Single-byte character sets always use 7-bit encoding schemes.

Answer: D,E


NEW QUESTION # 170
Your container database, CDB1, is in local undo mode.
You successfully execute this command while connected to CDB1:
CREATE PLUGGABLE DATABASE pdb1
ADMIN USER pdb1_admin IDENTIFIED BY pdb123 ROLES=(CONNECT)
CREATE_FILE_DEST='/u01/app/oracle/oradata/cdb1/pdb1';
Which three are true about PDB1? (Choose three.)

  • A. It has no local users.
  • B. It has only local roles.
  • C. It has the same number of roles as CDB1.
  • D. Service PDB1 is created for remote logins to PDB1.
  • E. It has the same common users defined as does CDB1.
  • F. It is in mount state after creation.

Answer: A,C,E


NEW QUESTION # 171
Which two are true about duplicating pluggable databases (PDBs) with RMAN? (Choose two.)

  • A. CDB$ROOT and PDB$SEED are automatically duplicated.
  • B. A user with SYSDBA or SYSBACKUP must be logged in with RMAN to the PDB to duplicate it.
  • C. All tablespaces belonging to a PDB must be duplicated when duplicating the PDB.
  • D. The auxiliary instance is automatically created with ENABLE_PLUGGABLE_DATABASE = TRUE.
  • E. Two or more PDBs can be duplicated with the same RMAN DUPLICATE command.

Answer: B,D

Explanation:
Reference:
https://docs.oracle.com/database/121/BRADV/rcmdupdb.htm#BRADV430


NEW QUESTION # 172
Examine this command:
$ rhpctl move database -sourcehome Oracle_home_path -destinationhome Oracle_home_path For which two purposes can you use this command? (Choose two.)

  • A. to switch to a patched Oracle Database home
  • B. to switch to a read-only Oracle home
  • C. to switch the Oracle Database home when using a centralized Rapid Home Provisioning server
  • D. to switch back to the previous Oracle home as part of a rollback operation
  • E. to switch an existing Oracle Database home to a newer release of Oracle software on the same server

Answer: A,D

Explanation:
You can use rhpctl move gihome command with the same syntax to switch from the current Oracle Grid Infrastructure home to a patched home. The rhpctl command enables you to switch from your current Oracle Grid Infrastructure or Oracle Database home to patched Oracle home so that you can provision the new Oracle home as gold image. You can also use the rhpctl command to switch back to the old Oracle home, if you want to roll back the operation.
Reference:
https://docs.oracle.com/en/database/oracle/oracle-database/18/cwadd/rapid-home- provisioning.html#GUID-856C7378-2510-4B3E-8BE1-B4D79DF4FE8B


NEW QUESTION # 173
Choose three. Which three actions will add a resource to an Oracle Restart configuration?

  • A. creating a database using the CREATE DATABASE SQL statement
  • B. creating an Oracle Automatic Storage Management (ASM) instance with ASM Configuration Assistant (ASMCA)
  • C. creating a disk group using the CREATE DISKGROUP SQL statement
  • D. creating an Oracle Database service by modifying the SERVICE_NAMES parameter
  • E. creating a database service using Oracle Database Configuration Assistant (DBCA)
  • F. creating a database service using DBMS_SERVICE.CREATE_SERVICE

Answer: A,B,E


NEW QUESTION # 174
choose two Examine the command to duplicate a database: RMAN> DUPLICATE TARGET DATABASE TCddb PLUGGABLE DATABASE pdbl,pdb5; Which two statements are true about the DUPLICATE command?

  • A. An auxiliary instance must be started with the initialization parameter ENABLE_PLUGGABLE_DATABASE set to TRUE. E) The DUPLICATE command first creates a backup, and then duplicates the
  • B. The root and the seed database in the container database (CDB) are also duplicated.
  • C. The SPFILE is copied along with the data files of the pluggable databases (PDBs).
  • D. A backup of PDB1 and PDB5 must exist before executing the command.

Answer: A,B

Explanation:
PDBs by using the backup.


NEW QUESTION # 175
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