# SDK Quiz

https://www.sanity.io/learn/course/build-content-apps-with-sanity-app-sdk/sdk-quiz.md

Let's put everything you've learned to the test!

Now you've built a fully featured content application, let's see what you've learned about some of the hooks you've put to work.

**Question:** useDocuments is preferable to client.fetch because...

1. It fetches faster
2. Built-in batching and real-time updates
3. Hooks are the only way to fetch data in React
4. You can't be trusted with client.fetch



**Question:** useDocumentProjection is a hook for

1. Fetching multiple documents
2. Fetching document values
3. Fetching future values
4. Fetching user data



**Question:** useDocument should be used sparingly because

1. It costs extra
2. It resolves both local and remote states of the document
3. It's slower
4. It's not always correct



**Question:** useEditDocument creates better UI than client.patch because

1. It's faster
2. It handles versions
3. It handles webhooks
4. It's cheaper



**Question:** useApplyDocumentActions provides a way to perform actions, like

1. Trigger a webhook
2. Publish a document
3. Update your billing
4. Delete a user



**Question:** useDocumentEvent listens to

1. Mutations to documents
2. Webhooks firing
3. User log-ins
4. Your computer's microphone



**Question:** useNavigateToStudioDocument

1. Is an incredibly specific name for a hook
2. Is a mysterious name for a hook