MIS 502 Ch 12 Quiz Drilled Down -

32 Questions | Total Attempts: 32

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MIS Quizzes & Trivia

MIS 502 CH 4 Quiz Drilled Down -


Questions and Answers
  • 1. 
    A(n) block is the smallest number of secondary storage bytes that can be allocated to a file
    • A. 

      True

    • B. 

      False

  • 2. 
    Enforcing access controls reduces the speed of many file access operations because of the extra processing required
    • A. 

      True

    • B. 

      False

  • 3. 
    The storage allocation table records the assignment of ____ to specific files.
    • A. 

      Logical records

    • B. 

      Allocation units

  • 4. 
    The storage I/O control layer presents a service layer interface to application programs and the command layer.
    • A. 

      True

    • B. 

      False

  • 5. 
    The ____ layer provides a set of service functions for manipulating files and directories.
    • A. 

      File control

    • B. 

      Storage I/O control

  • 6. 
    The content of a logically (but not physically) deleted file may be recovered in a compaction operation.
    • A. 

      True

    • B. 

      False

  • 7. 
    All RAID fault tolerance methods use parity and data striping.
    • A. 

      True

    • B. 

      False

  • 8. 
    Software modules within the storage I/O control layer include which of the following?
    • A. 

      Link editors

    • B. 

      Interrupt handlers

  • 9. 
    Most file management systems support ____.
    • A. 

      A handful of predefined file types with a mechanism for adding new type definitions

    • B. 

      Executable programs

  • 10. 
    ____ cannot be smaller than the unit of data transfer between the storage device and controller.
    • A. 

      Allocation units

    • B. 

      Blocks

  • 11. 
    The content of a logically (but not physically) deleted file may be recovered in a compaction operation.
    • A. 

      True

    • B. 

      False

  • 12. 
    In most file management or operating systems, a file’s type determines ____
    • A. 

      Restrictions on its name

    • B. 

      Data encoding method

  • 13. 
    In most file management or operating systems, a file owner cannot revoke his own access privileges.
    • A. 

      True

    • B. 

      False

  • 14. 
    Which of the following statements about file access is correct?
    • A. 

      Sequential access to a file’s allocation units is efficient when the storage allocation table uses arrays.

    • B. 

      Sequential access to a file’s allocation units is efficient when the storage allocation table uses linked lists.

  • 15. 
    Transaction logging is a form of automated file backup.
    • A. 

      True

    • B. 

      False

  • 16. 
    Logical record grouping within physical records is called ____.
    • A. 

      Blocking

    • B. 

      Journaling

  • 17. 
    The storage I/O control layer presents a service layer interface to application programs and the command layer.
    • A. 

      True

    • B. 

      False

  • 18. 
    Consider a 80-GB disk. If unit size is set to 512 bytes, how many allocation units are in the device?
    • A. 

      167,772,160

    • B. 

      156,772,160

  • 19. 
    In most file management or operating systems, a file owner cannot revoke his own access privileges.
    • A. 

      True

    • B. 

      False

  • 20. 
    ____ provides a high degree of protection against data loss due to program or hardware failure.
    • A. 

      Disk mirroring

    • B. 

      Transaction logging

  • 21. 
    A(n) hierarchical directory structure allows a single file to be contained within multiple directories
    • A. 

      True

    • B. 

      False

  • 22. 
    The storage allocation table records the assignment of ____ to specific files.
    • A. 

      logical records

    • B. 

      Allocation units

  • 23. 
    A(n) storage allocation table is a data structure that records which allocation units are free and which belong to files.
    • A. 

      True

    • B. 

      False

  • 24. 
    The ____ layer provides a set of service functions for manipulating files and directories.
    • A. 

      File control

    • B. 

      File management

  • 25. 
    A(n) file open operation allocates buffers for file I/O and creates a logical record to record information about an active file.
    • A. 

      True

    • B. 

      False

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