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New 1Z0-083 Braindumps Free | Valid 1Z0-083 Test Cost

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The Oracle 1Z0-083 exam covers a wide range of topics including database architecture, backup and recovery, performance tuning, security, and advanced features of Oracle databases. It is an online, proctored exam that consists of 70 multiple-choice questions that need to be completed within a time limit of 105 minutes. The passing score for the exam is 63%, which indicates a good understanding of the concepts and skills needed to manage Oracle databases.

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In today's highly competitive Oracle market, having the 1Z0-083 certification is essential to propel your career forward. To earn the Oracle 1Z0-083 certification, you must successfully pass the 1Z0-083 Exam. However, preparing for the Oracle 1Z0-083 exam can be challenging, with potential hurdles like exam anxiety and time constraints.

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Oracle Database Administration II Sample Questions (Q251-Q256):

NEW QUESTION # 251
You issued this command:
RMAN> BACKUP RECOVERY FILES;
Which two are true?

  • A. These backups can be written to disk or SBT.
  • B. All Oracle recovery files in the current FRA that have not been backed up already, are backed up.
  • C. All non-Oracle files in the current FRA that have not been backed up already, are backed up.
  • D. All Oracle recovery files in the current fast recovery area (FRA) are backed up.
  • E. All Oracle recovery files not in the current FRA that have not been backed up already, are backed up.

Answer: C,E


NEW QUESTION # 252
For which two tasks can you use the DBMS_PDB.DESCRIBE procedure?

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

Answer: C,E


NEW QUESTION # 253
Which two are true about duplicating pluggable databases (PDBs) with RMAN? (Choose two.)

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

Answer: A,E

Explanation:
"Duplicates the specified PDBs in the CDB. Use a comma-delimited list to duplicate multiple PDBs."
"When you duplicate one or more PDBs, RMAN also duplicates the root (CDB$ROOT) and the seed database (PDB$SEED)." The reasons why the other answers are wrong are also found here:
https://docs.oracle.com/database/121/BRADV/rcmdupdb.htm#BRADV760


NEW QUESTION # 254
Choose two. Which two are true about reclaiming space used by Flashback logs in Oracle Database 19c and later releases?

  • A. Space is always reclaimed proactively before space pressure occurs.
  • B. Space is always reclaimed automatically when the retention period for Flashback logs is lowered.
  • C. Space is only reclaimed when there is space pressure in the Fast Recovery Area (FRA).
  • D. Space might be reclaimed automatically when the retention period for Flashback logs is lowered.
  • E. Space might be reclaimed proactively before space pressure occurs.

Answer: D,E


NEW QUESTION # 255
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 is in mount state after creation.
  • C. Service PDB1 is created for remote logins to PDB1.
  • D. It has only local roles.
  • E. It has the same number of roles as CDB1.
  • F. It has the same common users defined as does CDB1.

Answer: B,C,E

Explanation:
You cant create local roles in CDB, only common, so always you will have the same number of roles when you create a pdb, all common roles that you have in CDB.


NEW QUESTION # 256
......

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