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 geographic proximity to the 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 certain ratio.
D) JavaScripts in Web pages can invoke services defined by a server application.