You are the architect on a project to build a bridge between the legacy customer service tool, an
outdated VT100 terminal server, and a company’s new Java EE web application. You do NOT
have access to the terminal server and cannot deploy any code to it. Which approach should you
use to integrate the systems?
A.
Use a DAO wrapped around a JDBC connection to query the legacy system
B.
Deploy a CORBA server to the legacy system and use RMI-over-IIOP to communicate to it
C.
Develop a session bean that wraps a screen-scraping tool to interact with the legacy system
D.
Develop a web services-based service and use XML to communicate with the terminal server