OSI/TCP Model Questions

1. Name each layer of the OSI model, from Layer 7 down to Layer 1.
2. The role of the Session Layer is to _______, _______, and _______ sessions or dialogues

between devices.

1. What are the three methods used to control data flow at Layer 4?
2. The Transport Layer includes several protocols, and the most widely known are _______ and

_______.

1. Why is UDP used at all if TCP/IP offers guaranteed delivery?
2. What is data referred to at each OSI layer?
3. In order . . .
   

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