OSI Model and TCP/IP Model

[zillah2004]

As we know that OSI model is seven layers, and TCP/IP model is four layers.

Now I found some books mention 5 layers.

Any comment about that (why is it five layer) ?

[pradeepde]

It's just an equivalent of the physical layer of the OSI model

[Josef Oduwo]

This thread, http://forum.cisco.com/eforum/servlet/NetProf?page=netprof&forum=Career%20Certifications&topic=Certifications&CommCmd=MB%3Fcmd%3Ddisplay_location%26location%3D.1dd79346, should answer your question.

Please rate if it does,

Josef.