What can be installed and dismantled at functional locations?

What can be installed and dismantled at functional locations?

You can also monitor the installation times for a piece of equipment from both the functional location view and the equipment view.
A . Use a java.xml.ws.WebServiceRef annotation
B . Piece of equipment
C . Use a java.xml.ws.WebServiceContext annotation
D . Use a HandlerChain

Answer: B