This is one of the asked WCF interview questions during the interview. So one proceed answer as the following: -
		
				
				 For WCF REST we need to use WebHttpBinding. WebhttpBinding is enabled by as shown in the below code snippet.
<endpointBehaviors>
        <behavior name="NewBehavior0">
          <webHttp />
        </behavior>
</endpointBehaviors>
Also see our following video on explanation of REST: -