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os 14

Adam Whiteside 21 questions

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Questions in this quiz (21)

  1. 1Transfers between memory and disk are performed a ____.
    1. Abyte at a time
    2. Bfile at a time
    3. Cblock at a time
    4. Dsector at a time
  2. 2Order the following file system layers in order of lowest level to highest level.
    [1] I/O control
    [2] logical file system
    [3] basic file system
    [4] file-organization module
    [5] devices
    1. A1, 3, 5, 4, 2
    2. B5, 1, 3, 2, 4
    3. C1, 5, 3, 4, 2
    4. D5, 1, 3, 4, 2
  3. 3A volume control block ____.
    1. Acan contain information needed by the system to boot an operating system from that partition
    2. Bis a directory structure used to organize the files
    3. Ccontains many of the file's details, including file permissions, ownership, size, and location of the data blocks
    4. Dcontains information such as the number of blocks in a partition, size of the blocks, and freeblock and FCB count and pointers
  4. 4Which of the following is the simplest method for implementing a directory?
    1. Atree data structure
    2. Blinear list
    3. Chash table
    4. Dnonlinear list
  5. 5In the Linux VFS architecture, a(n) ____ object represents an individual file.
    1. Ainode
    2. Bfile
    3. Csuperblock
    4. Ddentry
  6. 6Which of the following allocation methods ensures that only one access is needed to get a disk block using direct access?
    1. Alinked allocation
    2. Bindexed allocation
    3. Chashed allocation
    4. Dcontiguous allocation
  7. 7The free-space list can be implemented using a bit vector approach. Which of the following is a drawback of this technique?
    1. ATo traverse the list, each block must be read on the disk.
    2. BIt is not feasible to keep the entire list in main memory for large disks.
    3. CThe technique is more complicated than most other techniques.
    4. DThis technique is not feasible for small disks.
  8. 8Page caching ____.
    1. Auses virtual memory techniques to cache file data as system-oriented blocks as opposed to pages
    2. Buses virtual memory techniques to cache file data as pages as opposed to system-oriented blocks.
    3. Cis used in Windows NT but not in Windows 2000.
    4. Dcannot be used to cache both process pages and file data.
  9. 9NFS views a set of interconnected workstations as a set of ____.
    1. Aindependent machines with independent file systems
    2. Bdependent machines with independent file systems
    3. Cdependent machines with dependent file systems
    4. Dindependent machines with dependent file systems
  10. 10The NFS mount protocol ____.
    1. Adoes not allow a remote directory to be accessible in a transparent manner
    2. Bexhibits a transitivity property in terms of client access to other file systems
    3. Cestablishes the initial logical connection between a server and a client
    4. Dprovides a set of RFCs for remote file operations

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Description
Quiz on os 14, created by Adam Whiteside on 24/04/2019.
Language
English
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