Prudential HealthCare, managed care plan, recently implemented a system that links its internal systems to the corporate networks of large subscribers. This lets benefits managers at companies enroll new employees themselves—rather than sending paperwork or dialing Prudential's call centre. It also allows people to check their eligibility and claim status, or change doctors at any hour of the day. The system that was implemented is most likely a(n):
A.
extranet
B.
customized search engine
C.
electronic downloadable information (EDI)
D.
customized database management system
Answer: A