A RESTful Web Service URI should map to __________________?

In the context of a web service, a RESTful API should...

Which HTTP method should be used to update a resource in a RESTful Web Service?

When you wish to read a single “Foo” via a RESTful API, which is most appropriate?

When you wish to delete an existing “Foo” via a RESTful API, which is most appropriate?

Identify the method which is not predefined in HTTP specification

Given a REST API that is capable of responding only with JSON, what is the appropriate way to respond to a request with header `Accept: application/xml; charset=utf-8`?

Which HTTP methods are idempotent?

What is the appropriate error response for a request that sends an entity in XML with header `Content-Type: application/json` when the server only understands JSON.

A POST request that results in the creation of a resource should respond with ______

A PUT request that results in the creation of a new resource should respond with _____