单项选择题

You are using tracing to diagnose run-time issues.When you look at the traces for the service in SvcTraceViewer.exe,
you see what is shown in the exhibit:

The exception trace is selected in SvcTraceViewer.exe. You need to interpret the trace results to determine where the error occurred and what to do next.
What should you do?（）

A.
B.
C.
D.

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单项选择题
You want to debug the Windows Communication Foundation (WCF) client and server interaction through message and application tracing.You need to correlate traces generated on the client and the server. Which XML segment should you add to the system.diagnostics configuration element in the client and server application configuration file?（）

A.
B.
C.
D.
单项选择题
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 verify 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.
B.
C.
D.
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