Understanding DNS: How Domain Name System Works
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This video breaks down how the Domain Name System (DNS) translates human‑readable domain names into IP addresses. It covers key components like root servers, TLD servers and authoritative name servers, then demonstrates a typical DNS lookup process. Finally it discusses caching and how DNS improves network efficiency.
Building a Secure Home Wi‑Fi Network
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In this tutorial we walk through securing your home Wi‑Fi. Topics include choosing strong encryption, changing default credentials, updating firmware, segmenting guest networks and using DNS filtering for additional protection.