Which layer of the OSI model is responsible for end-to-end communication and reliable data delivery?

Options

  • A. Session Layer
  • B. Transport Layer
  • C. Presentation Layer
  • D. More than one of the above
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

B. Transport Layer

Detailed Explanation

Explanation: The Transport Layer (Layer 4) provides end-to-end communication between processes. TCP provides reliable delivery through sequencing, acknowledgements, and retransmission.