Answer: c

The Microsoft.XLANGs.BaseTypes.Address is a property that must be set on the Port for a Port with Dynamic binding. It cannot be set on the message. Whether you do it in a Message Assignment shape or an Expression shape is not important. There is no BTS.ReceivedFileName property.

Answer: b

To configure a block of logic so that either everything commits or nothing commits, you should place the logic within an Atomic scope. To be able to use an Atomic scope, the Orchestration must be configured to have a Long Running transaction type. Although configuring the Orchestration as Atomic, will treat the logic as a unit; it will also treat the entire Orchestration as a unit which was not the goal, and might not be possible.