Aug 3, 2026 · Fundamentals

Day45: Mastering Computer Networks – IP Subnetting, Routing, DNS, HTTP/HTTPS & Load Balancing

This guide walks through a real browser request from a medical imaging workstation, explaining how DNS resolves the domain, how IPv4 addresses and CIDR define subnets, how ARP and default gateways determine MAC addresses, how routers apply longest‑prefix matching, and how TCP, TLS, HTTP, and load‑balancing layers work together to deliver the response.

DNSHTTPIP subnetting

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Day45: Mastering Computer Networks – IP Subnetting, Routing, DNS, HTTP/HTTPS & Load Balancing

Liangxu Linux

Jan 29, 2024 · Fundamentals

Master IP Subnetting: From Binary Conversion to CIDR Calculations

This guide explains core concepts of IP subnetting, including binary‑decimal conversion, network and host counts for A/B/C classes, default masks, valid mask rules, CIDR notation, and a step‑by‑step example solving a /18 subnet problem.

CIDRIP subnettingbinary conversion

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Master IP Subnetting: From Binary Conversion to CIDR Calculations