How do you create your first trailhead playground
You don’t. We create it for you.
True or false: A Trailhead Playground is DE org with Trailhead-specific data, and a pre-installed package.
True
In which of these scenarios do you need to know your Trailhead playground username and password?
To authorize your org for use with the salesforce CLI
When should you change your username in a Trailhead Playground?
Never