Case Study

Based on the function of DNS, explain why the portal is inaccessible via domain name during the outage but remains accessible when using the numeric IP address.

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Updated 2026-09-04

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Prep Sessions

Demystifying Network Architecture: Protocols, Addressing, and Packet Flow @ University of Michigan - Ann Arbor

Ch.2 Addressing and Resolution Services - Demystifying Network Architecture: Protocols, Addressing, and Packet Flow @ University of Michigan - Ann Arbor

Domain Name System Functionality - Demystifying Network Architecture: Protocols, Addressing, and Packet Flow @ University of Michigan - Ann Arbor