Which two technologies would you suggest, to access remote system, for this application?

You are the architect of an application that reads from and writes to multiple systems. The
application must participate in an existing transaction to update a database using JDBC,
and also invoke a transactional method on a remote system as part of the same transaction.

Which two technologies would you suggest, to access remote system, for this application?

A.
Remote Method Invocation (RMI)

B.
Simple Object Access Protocol (SOAP)

C.
java Message Service (JMS)

D.
Java Connector Architecture (JCA)