Exercises are run against instances of the cloud app hosted in each remote cloud environment. The cloud app simply echoes back HTTP request info. -Unless otherwise noted, test results display headers and info from the request received by the app. -In other words, test critera are evaluating being sent (as echoed back from the cloud app). +Unless otherwise noted, test results display headers and info from the request received by the cloud app. +In other words, test criteria are evaluating the request being sent (as echoed back from the cloud app). To demonstrate, you can access an endpoint of each cloud app from your browser.