INTRODUCTION
PROTOCOL LAYERING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What are the main reasons for using layers for network communication? (Tick 2 answers)
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It will transfer data quicker. This means that files and documents will send more efficiently.
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Layers are self contained. This means that it does not need to consider what the other layers are doing.
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A layer can be changed without the others being affected.
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It makes communication less expensive. This means that money can be spent on other hardware.
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Explanation:
Detailed explanation-1: -Explanation. The benefits of using a layered model are that it facilitates troubleshooting, it focuses on details rather than general functions and it breaks the complex process of networking into manageable chunks.
Detailed explanation-2: -Network Layer The network layer has two main functions. One is breaking up segments into network packets, and reassembling the packets on the receiving end. The other is routing packets by discovering the best path across a physical network.
Detailed explanation-3: -Because one layer is built upon another, each layer provides a particular view of the communication system: that is, the layers provide levels of abstraction of the communication system.
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