# 20 Networking Concepts Explained in 15 Minutes

DevFeed: [20 Networking Concepts Explained in 15 Minutes](<https://devfeed.tech/articles/20-networking-concepts-explained-in-15-minutes-33561.md>)

Original publisher: [Read original article](<https://blog.algomaster.io/p/20-networking-concepts-explained>)

Author: Ashish Pratap Singh

Published: 2026-06-02T05:28:43Z

Content type: tutorial

Language: en

Sources: [AlgoMaster Newsletter](<https://devfeed.tech/sources/algomaster-newsletter.md>)

Topics: [networking](<https://devfeed.tech/topics/networking.md>), [Networks](<https://devfeed.tech/topics/networks.md>), [domain](<https://devfeed.tech/topics/domain.md>), [Internet](<https://devfeed.tech/topics/internet.md>), [browser](<https://devfeed.tech/topics/browser.md>), [HTTP](<https://devfeed.tech/topics/http.md>)

Tags: [browser](<https://devfeed.tech/tags/browser.md>), [concepts](<https://devfeed.tech/tags/concepts.md>), [dns](<https://devfeed.tech/tags/dns.md>), [domain](<https://devfeed.tech/tags/domain.md>), [http](<https://devfeed.tech/tags/http.md>), [https](<https://devfeed.tech/tags/https.md>), [ipv4](<https://devfeed.tech/tags/ipv4.md>), [ipv6](<https://devfeed.tech/tags/ipv6.md>), [mac-address](<https://devfeed.tech/tags/mac-address.md>), [network](<https://devfeed.tech/tags/network.md>), [networking](<https://devfeed.tech/tags/networking.md>), [postgresql](<https://devfeed.tech/tags/postgresql.md>), [recursive-resolver](<https://devfeed.tech/tags/recursive-resolver.md>), [redis](<https://devfeed.tech/tags/redis.md>), [ssh](<https://devfeed.tech/tags/ssh.md>), [wi-fi](<https://devfeed.tech/tags/wi-fi.md>)

## AI overview

A tutorial introducing core networking concepts, including IP addressing, DNS resolution, ports, MAC addresses, and ARP, with examples involving browsers, routers, servers, SSH, HTTP, PostgreSQL, and Redis.

## Source excerpt

Networking can feel overwhelming, but a small set of concepts carries most of the weight in interviews and real-world systems.