Why isn't SOAP-based web service RESTful?

Question

I understand RESTful is an architecture style, but what exactly makes SOAP-based web service not count for RESTful?

It\'s not clear to me which points below (from Wikipe

Answer 1

One of the objectives of REST is cachability, for that the resource needs to be identified by the uri (query string). In soap the request is posted, therefor for different requests you have the same uri and thus the resource cannot be uniquely identified by the ur