Free CCNA Study Guide

[martinjhon9]

We shouldn't have screen is black so he's calling user account management to pound the layers with that they're onto cause both it up design so what whether this is design decisions even making here is how we get all your these layers so that we only have calls going down the chain not of the other way and finally on PMP the right hand side we have this notion of communication protocols the opposite the seven layers and showing you a few very simple issues here dealing with application protocols will call the facilities are dealing with connections which will call facilities dealing with packets which will call the facilities for transmitting and receiving but the calls don't go up the other wait’s true they occur each communication cohesion again anytime you see attack she say what is it belongs together what else.

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