INTRODUCTION
PROTOCOL LAYERING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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who can each layer talk to?
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every layer
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just the one above
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the one above and below
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Just the one below
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Explanation:
Detailed explanation-1: -The seven layers exist on both host devices, and each layer exchanges data with its corresponding counterpart independently of the other layers below. This means that if you send data from your computer to your friend, data on your device’s OSI layer 2 would exchange directly with your friend’s layer 2.
Detailed explanation-2: -Each layer provides a protocol to communicate with its peer. When a packet is transmitted by a layer, a header is added to the data to be sent. The protocol data unit so-formed, is passed via a service access point to the layer below. This is then sent using the service of the next lower protocol layer.
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