Network layer
Section outline
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Week 1 introduces the network layer, its functions and role in data delivery across networks.
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Week 2 covers IP subnetting, explaining how networks are divided into subnets and how addressing is organized.
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Week 3 focuses on IP forwarding, showing how packets are directed based on destination addresses.
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Week 4 introduces IP routing, explaining how routers establish efficient paths across networks.
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Week 5 presents the Internet protocol, highlighting IPv4 structure and operations.
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Week 6 explores control and support protocols: DHCP for dynamic IP assignment, NAT for address translation, and ARP for mapping IP to MAC addresses.