You have a multi-node installation with Forms services and Batch Processing services configured on separate nodes. You attempt to update the Context variable on the batch processing node although Oracle Applications Manager (OAM) fails. What should you do to resolve the problem? (Choose two.) 

Check whether the Web service is up on Forms services. 

Check whether the Forms service is up on the middle tier. 

Check whether the listener service is up on Forms services. 

Check whether the batch processing service is up on the middle tier. 

Enable the TNS listener service in the Application's Context file and run AutoConfig.