# Components, `props` and `state`

## Test your Knowledge

1. True or False: When we send props _into_ a component, we must use pre-determined variable names provided by React.

1. Will `props` or `state` trigger an update to our component to cause it to re-render?

1. True or False: A `props` value should be set in a component's constructor.

1. What code in our component file provides the React component behavior?
