Option 1. Let us consider an example, where a client in theBuilding A sends an email to another client in the Building Bthrough a router in Building A and another router in Building B.Explain how the protocol data units flow through the layers of theInternet model. You can assume that the addresses are known andcorrect. After this, explain how Virtual Local Area Networks(VLANs) could be useful in this example and what VLAN transparencymeans in this context. 0-20 points, format your full answer as amax 250-word essay Option 2. Compare and contrast symmetricencryption and asymmetric encryption in the context of anaccountant
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