Which group of API functions has a mechanism that provides better performance for lookups without centralized indexes?

Which method of Facebook class checks for the session key and redirects the user to the Facebook website to perform the authentication if it is unable to find the session key for the user to work with the application?

Which method returns the identifiers of friends signed up for the calling application?

Which method is used to calculate the Feed Points(FP)?

Which type of associations are associations between objects that can happen when there’s no need to look up a value by some ID for a given object?

 Which type of associations are associations between objects that can happen when there’s no need to look up a value by some ID for a given object?

Which REST API method creates an authentication token which is then passed to the Facebook authentication mechanism?

Which category of REST API calls provides methods to send messages to the users?

What does data.getObjectTypes method do?

Which method takes a query and returns a response object?

How many maximum items do batch APIs contain?

Which method is used when adding a link under the user's profile image?