At Universal Containers, each admin and developer use a separate developer pro sandbox. Configuration and code are then migrated to a partial data sandbox for combination and initial testing. Once approved the configuration and code are then migrated to a full sandbox for final load and regression testing before going to production.
When should the full sandbox be refreshed?

Use Data Loader when __________. (Choose three.)

When testing an Amazon Alexa skill using the Test page in the developer console, the JSON output is null.
What is the MOST likely cause?

Universal Container wants customers to be able to open cases from a public-facing website.
What should the app builder use to enable visitors to the website?

What are two reason to create an unmanaged package? Choose 2 answers