You create Web-based applications. You are creating an application that manages travel arrangements. Users can book business trips through the application and submit their expense reports. The current design specifies that 10 components are consumed by the application. You need to identify the components that require integration testing. Which three components should you choose? (Each correct answer presents part of the solution. Choose three.)

A.
public Web service to retrieve weather information

B.
third-party Web service to book flights

C.
third-party Web service to book car rentals

D.
locally hosted COM+ component to book hotels

E.
locally hosted data access component to access a central database

F.
the .NET Framework Web server controls