A Windows Communication Foundation (WCF) service only accepts messages that are
signed and encrypted a client application is not receiving expected responses from the
service. You need to enable logging to verity that the messages from the client are signed
and encrypted. You also need to see what each message looks like before the message
body is deserialized into a NET object what should you do?

A.
Configure the System. Service Model trace source in the system diagnostics
configuration section In the system.serviceModel configuration, add the following XML
segment, <diagnostics> <message Logging log Entire Message=” true log Messages t
Service LeveI-true’ Is <diagnostics>

B.
Configure the System. Service Model Message Logging trace source in the system
diagnostics configuration sectionIn the system. service Model configuration, add the
following XML segment. <diagnostics> <message Logging log Entire Message=’ true Iog
Messages At Service LeveI true” log Messages At Transport Level=true” I> <Idiagnostics>

C.
Configure the System. Service Model Message Logging trace source in the system.
diagnostics configuration section. In the system service Model configuration, add the
following xML segment <diagnostics> <message Logging Iog Messages At Service Levele
true” log Messages At Transport Levele”true” 1> </diagnostics>

D.
Configure the System Service Model trace source in the system diagnostics configuration
section. In the system service Model configuration add the following xML segment
<diagnostics> <message Logging log Entire Messages” true
logMessagesAtServiceLeveIetrue” logMessagesAtTransportLeveletrue” /> </diagnostics>

Explanation: