This repo leads to many of the best choice learning resources that one might visit on the pathway to the MuleSoft Certified Developer (MCD) accolade.
Here are some reading resources:
- HTTP guides and spec (response code RFCs - status dogs - basic HTTP tutorial)
- REST API basics
- RAML resources raml.org
- Error Handling Demystified - tutorial by Kyle Burke
- DataWeave Playground
- Self-Study Fundamentals Course Online
- Regular Expression playground
- How to create a Crontab file - (crontab generator)
You don't need to read or study ALL of these things to become certified, but all of them will help you in different ways.