NETWORK LAYER
INTRODUCTION
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Question
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3
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4
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2
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5
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Detailed explanation-1: -The network layer is layer 3 in the OSI model, and it is responsible for connections between different networks.
Detailed explanation-2: -The layers are: Layer 1-Physical; Layer 2-Data Link; Layer 3-Network; Layer 4-Transport; Layer 5-Session; Layer 6-Presentation; Layer 7-Application.
Detailed explanation-3: -Which level is the network layer in the OSI model? Explanation: The network layer is the third level of the open system interconnection model and the layer that provides data routing paths for network communication.
Detailed explanation-4: -Layer 7 firewalls are more advanced than layer 3 firewalls. They can look into the contents of data packets coming into and out of your business’s network to determine whether they are malicious. If a data packet contains malware, the layer 7 firewall can reject it.