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NetworkingDNSInfrastructureHow DNS Works — Complete Guide to Domain Name SystemLearn how DNS works step by step — from typing a URL to loading a website. Covers DNS records, resolution process, caching, DNS security, and troubleshooting. Beginner-friendly guide.March 17, 202616 min read
NetworkingInfrastructureSecurityVLAN vs Subnet — What's the Difference and When to Use EachUnderstand the key differences between VLANs and subnets. Learn how they work, when to use each, and how they work together in real network designs. Practical examples included.March 17, 202613 min read