OSI Layer Functions

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Author:
cbdamron
ID:
123343
Filename:
OSI Layer Functions
Updated:
2011-12-13 06:36:40
Tags:
SI110
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Description:
FInal exam prep
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  1. 'Establishment and termination of a connection to a
    communications medium' is a function of which layer?
    Physical Layer
  2. 'Participation in the process of sharing communication
    resources among multiple users' is a function of which layer?
    Physical Layer
  3. 'Modulation, or conversion between the representation of
    digital data in user equipment and the corresponding signals transmitted over a communications channel' is an example of which layer?
    Physical Layer
  4. 'Arrange bits from physical layer into logical chunks of
    data, known as frames' is a function of which layer?
    Data Link
  5. 'Provides functional and procedural means to transfer data between network entities and to detect and possibly correct errors that may occur in the physical layer' is a function of which layer?
    Data Link Layer
  6. 'Provides the functional and procedural means of
    transferring variable length data sequences from a source to a destination via one or more networks while maintaining the quality of service requested by the Transport Layer' is a function of which layer?
    Network Layer
  7. 'Provides network routing functions, and might also perform segmentation/desegmentation, and report delivery errors' is a function of which layer?
    Network Layer
  8. 'Provides transparent transfer of data between end users' is a function of which layer?
    Transport Layer
  9. 'Controls the reliability of a given link through flow control, segmentation/desegmentation, and error control' is a function of which layer?
    Transport layer
  10. Controls the dialogues (sessions) between computers
    Session Layer
  11. 'Establishes, manages, and terminates the connections between the local and remote application'
    Session Layer
  12. Provides for either duplex or half-duplex operation and establishes checkpointing, ajournment, termination, and restart procedures
    Session Layer
  13. Responsible for "graceful close" of sessions
    Session Layer
  14. Transforms data to provide a standard interface for the Application Layer
    Presentation Layer
  15. MIME encoding, data compression, data encryption, and similar manipulation of the presentation...to present the data as a service or protocol developer sees fit
    Presentation Layer
  16. Provides a means for the user to access information on the network through an application
    Application Layer

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