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Oracle 1Z0-053 Online Practice Questions and Exam Preparation

1Z0-053 Exam Details

  • Exam Code
    :1Z0-053
  • Exam Name
    :Oracle Database 11g: Administration II
  • Certification
    :Oracle Certifications
  • Vendor
    :Oracle
  • Total Questions
    :698 Q&As
  • Last Updated
    :Jul 11, 2026

Oracle 1Z0-053 Online Questions & Answers

  • Question 621:

    What are the prerequisites for performing flashback transactions? (Choose all that apply)

    A. Supplemental log must be enabled
    B. Supplemental log must be enabled for the primary key
    C. Undo retention guarantee for the database must be configured
    D. "EXECUTE " permission on the DBMS_FLASHBACK package must be granted to the user

  • Question 622:

    You enable block change tracking. You issue the following command: BACKUP INCREMENTAL LEVEL 0 DATABASE;

    The next day, you issue the following command:

    BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE;

    Which statement about the use of the change tracking file is true?

    A. RMAN reads the block change tracking file only when it performs the incremental level 0 backup.
    B. RMAN reads the block change tracking file when it performs both incremental backups.
    C. RMAN reads the block change tracking file only when it performs the incremental level 1 backup.
    D. RMAN does not read the block change tracking file when it performs either incremental backup.

  • Question 623:

    What RMAN command must you use before you can back up a database using the recovery catalog?

    A. create catalog
    B. install database
    C. catalog database
    D. merge Catalog with database
    E. register database

  • Question 624:

    What components are present in an ASM instance? (Choose three.)

    A. SGA
    B. Database processes
    C. Database datafiles
    D. Control files
    E. Database parameter file or SPFILE

  • Question 625:

    How is block-change tracking enabled?

    A. With alter database enable block change tracking
    B. With alter system enable block change tracking
    C. With an init.ora parameter change
    D. With an spfile parameter change

  • Question 626:

    Every resource plan must contain an allocation to which consumer group?

    A. LOW_GROUP
    B. SYS_GROUP
    C. DEFAULT_GROUP
    D. BASE_GROUP
    E. OTHER_GROUPS

  • Question 627:

    ASM supports all but which of the following file types? (Choose all that apply.)

    A. Database files
    B. SPFILEs
    C. Redo-log files
    D. Archived log files
    E. RMAN backup sets
    F. Password files
    G. init.ora files

  • Question 628:

    Note the following statements that use flashback technology:

    1.

    FLASHBACK TABLE

    TO SCN ;

    2.

    SELECT * FROM

    AS OF SCN 123456;

    3.

    FLASHBACK TABLE

    TO BEFORE DROP;

    4.

    FLASHBACK DATABASE TO TIMESTAMP ;

    5.

    SELECT * FROM

    VERSIONS AS OF SCN 123456 AND 123999;

    Which of these statements will be dependent on the availability of relevant undo data in the undo segment?

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

  • Question 629:

    Identity two advantages of using a recovery catalog in-load of the control File of the target database Recovery Manager (RMAN). (Choose two.)

    A. You can use RMAN stored scripts.
    B. Recovery is faster if data is stored in catalog in addition to the control file.
    C. You can store backup Information of all registered databases in one place.
    D. Database backups are automatically deleted when they are older than the specified time period.

  • Question 630:

    You are working on a CATDB database that contains an Oracle Database version 11.1 catalog schema owned by the user RCO11. The INST1 database contains an Oracle Database version 10.1 catalog schema owned by the user RCAT10.

    You want the RMAN to import metadata for database IDs 1423241 and 1423242, registered in RCAT10, into the recovery catalog owned by RCO11.

    You executed the following RMAN commands:

    RMAN> CONNECT CATALOG rco11/password@catdb

    RMAN> IMPORT CATALOG rcat10/oracle@inst1;

    What happens when you execute the above commands? (Choose all that apply.)

    A. They deregister all databases registered in the RCAT10 catalog.
    B. They import metadata for all registered databases in the RCAT10 database.
    C. They register all the RCAT10-catalog registered databases in the RCO11 catalog.
    D. They overwrite all stored scripts in the RCO11 catalog with the same name as that in the RCAT10 catalog.

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