Which layer of the OSI Model is responsible for establishing, maintaining, and terminating connections between devices?

  • Session Layer
  • Transport Layer
  • Application Layer
  • Data Link Layer
The Transport Layer (Layer 4) of the OSI Model is responsible for establishing, maintaining, and terminating connections between devices. It ensures reliable data delivery, error detection and correction, flow control, and end-to-end communication. This layer manages the segmentation and reassembly of data, providing mechanisms for both connection-oriented (TCP) and connectionless (UDP) communication. Option 2 is correct because the Transport Layer handles connection-related tasks in the OSI Model.
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