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MODULE 004 / Networking · Subnetting & routing

IPv4 Subnetting & Routing.

Turn binary into intuition. Calculate ranges, plan address space, and choose the most specific route with two focused, interactive challenges.

NETWORKINGFOUNDATIONAL → INTERMEDIATESUBNET DECODER + 2 PBQS
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OFFICIAL REFERENCES

Stay aligned with published vendor documentation, not copied exam questions.

IETFCIDR address aggregation (RFC 4632)↗IETFIPv4 /31 point-to-point exception (RFC 3021)↗IETFPrivate IP address ranges (RFC 1918)↗CiscoNetworking Academy↗
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Networking topic hubExplore the learning path ↗Switching fundamentalsReinforce Layer 2 before Layer 3 ↗DHCP & DNS fundamentalsApply IP planning to client configuration ↗
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