Q.15. What is the responsibility and service of Physical layer? Q 16. What is a hub and
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Q.15. What is the responsibility and service of Physical layer?
Q 16. What is a hub and in what layer is it?
Q17. What is a switch and in what layer is it and what is it delivered?
Expert Answer:
Ans 15 The Physical layer is the lowest layer in both the OSI Open Systems Interconnection model and the Internet Protocol Suite TCPIP model It manages the physical transmission of raw binary data ove... View the full answer
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