// learning path · beginner → intermediate

Networking Foundations

3 articles · ~28 min total · Updated May 2026

Start here if you're new to networking. This three-step path takes you from a plain-English overview of ICT infrastructure, through the LAN vs WAN basics, and finishes with how Wi-Fi 6/7, 5G and LoRa fit into the modern wireless stack. By the end you'll have a working mental model of how the network in a typical Singapore office is actually put together.

Start with Step 1 →
1

What is ICT Infrastructure? A Plain-English Overview

The networks, hardware, software and services that keep a modern business running — without the jargon. Sets the four-layer mental model used throughout the rest of the path.

Beginner 8 min · Networking Fundamentals
2

LAN vs WAN: The Networking Basics Every Business Should Know

Where each fits, the tech behind them (Ethernet, Wi-Fi, MPLS, SD-WAN), and how they connect to give you the internet you actually use every day.

Beginner 9 min · Networking Fundamentals
3

The Modern Wireless Stack: Wi-Fi 6/7, 5G, and LoRa Compared

A practical comparison of the wireless technologies businesses actually use today, with a side-by-side table of speed, range, latency, power and best-fit use cases.

Intermediate 11 min · Wireless & IoT

Finished this path?

Continue into deeper material with the Connectivity Deep Dive path, or browse all Knowledge Base articles.

Back to Knowledge Base