Select all that apply.

• A

  A Service must not have any dependency on the identity of the consumer that invokes it.

• B

  Services should be aware of the protocol used to invoke them, where they physically exist, and on what type of hardware or operating system they run.

• C

  In order for Services to be versatile and support reuse, there must be no separation of concerns in terms of what they do and how they are used.

• D

  Services must not be tied to any particular physical location.