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iot

Explaining default gateways, private addresses and NAT, and why a device behind NAT can't be reached from outside

taught

Taught in

Routers, gateways and NAT
Connected Devices and the Internet of Things

Requires

ipv4-cidr-subnetting required

Required by

Explaining how a device gets an address with DHCP and finds a host by name with DNS required

Local knowledge map

Local knowledge map

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Solid arrows are required prerequisites; dashed are recommended or helpful. Lower rows are more foundational. Click any box to jump to that concept.