Articles about computer networking | UserComp.com

Why can my computer still be able to ping other network card addresses except 127.0.0.1 when the network cable is unplugged?

Explains why 127.0.0.1 and other addresses remain reachable without a cable due to loopback interfaces, virtual adapters, and ARP caching.

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Definition of Circuit in Computer Networking

Explains how circuit switching establishes dedicated paths for consistent latency and contrasts it with packet switching and virtual circuits.

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