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You are developing a Windows Communication Foundation (WCF) service. The following code defines and implements the service. (Line numbers are included for reference only.)
01 [ServiceContract(SessionMode = SessionMode.Allowed)]
02 public interface ICatchAll
03 {
04 [OperationContract(IsOneWay = false, Action = "*", ReplyAction = "*")]
05 Message ProcessMessage(Message message);
06 }
07
08 public class CatchAllService : ICatchAll
09 {
10 public Message ProcessMessage(Message message)
11 {
12
13 ...
14 return returnMsg;
15 }
16 }You need to ensure that two identical copies of the received message are created in the service.
Which code segment should you insert at line 12?（）

You are developing a Windows Communication Foundation (WCF) service. One of the parameters used with the service operations is a security token. The security token is not sensitive. The monitoring software tracks security tokens and can read tokens in clear text only.The company security policy requires that you validate all clear text data passed over the corporate network.You need to ensure that the service verifies that the security token is not changed during transit.
What should you do?（）