Which of the Following Statements Is True of Service-Oriented Architecture

Multiple Choice

Which of the following statements is true of service-oriented architecture (SOA) ?

A) Work is assigned to Web servers based on their geographical proximity to a user.
B) SOA services are used only between the Web server and the users.
C) The number of database servers and Web servers should be in a fixed ratio.
D) JavaScript is written to invoke services defined by a server application.