# Inputs, data, and configuration — CDN

Source: https://www.geekswithgeeks.com/en/cdn/cdn-06

> Apply foundations 2 in CDN.

## Understand Inputs, data, and configuration

In **CDN**, connect the problem, constraints, and measurable outcome before choosing an approach.

## See the workflow

Understand the context, make a focused change, verify the result, then improve.

![A four-stage learning workflow.](assets/figures/cdn/section-2-map.svg) — Figure 2.1 — Understand, act, verify, improve.

## A useful comparison

This is like a route plan: every step should lead to a checked destination.

Check your reasoning.

**Quiz:** What comes before choosing an approach?

- [x] A clear goal and constraints.
- [ ] An unverified copy.
- [ ] No measurement.

*Answer:* A clear goal and constraints.. Evidence makes decisions reviewable.