Identify the layers of the OSI model.

Prepare for the ATandamp;T Technical Knowledge (TKT) II Exam. Use flashcards and multiple-choice questions, each with hints and explanations. Excel on your test!

The correct identification of the layers of the OSI model is based on the universally accepted stack of seven layers that describe the functions of a networking system. These layers include:

  1. Physical: This layer is concerned with the transmission and reception of raw bit streams over a physical medium.
  1. Data Link: This layer is responsible for node-to-node data transfer and handles error correction from the physical layer.

  2. Network: This layer facilitates the transmission of data packets from source to destination through different networks, managing routing and addressing.

  3. Transport: This layer ensures reliable data transfer by establishing a connection and controlling the flow of data, error recovery, and segmentation.

  4. Session: This layer manages sessions between applications, establishing, maintaining, and terminating connections as needed.

  5. Presentation: This layer translates data between the formats the network requires and the formats the applications can use.

  6. Application: This layer interacts directly with end-user applications, such as web browsers and email clients, providing network services.

The answer provided aligns perfectly with the established OSI model structure, ensuring a comprehensive understanding of how these layers interact to facilitate network communication. Other options do not accurately represent the correct sequence

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