Tracing in .NET CASENET Practice Questions (Page 10)

Questions 46–48

1. 46application · medium

   A .NET application's trace logs are being reviewed for security compliance. The reviewer finds that trace messages contain full credit card numbers and user passwords. The team needs to remediate this while preserving useful diagnostic information. What is the best approach?

   • ARemove all trace statements from the code to ensure no sensitive data is logged.
   • BEncrypt the trace log file so that sensitive data is protected at rest.
   • CUse a custom TraceListener that redacts sensitive data before writing to the log.
   • DMask sensitive data in trace messages by logging only the last four digits of credit cards and never logging passwords.
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2. 47application · medium

   A .NET application has a TraceSource named 'OrderProcessing'. The team wants to be able to change the trace level from Information to Error at runtime without restarting the application. They are using a TraceSwitch. What is the correct way to configure this?

   • ADefine the TraceSwitch in the application configuration file and set the source's Switch property to that switch.
   • BAttach an EventTypeFilter to the listener and change its EventType in code.
   • CUse a BooleanSwitch and set it to true to enable tracing.
   • DSet the TraceSwitch's Level property in code and recompile when changes are needed.
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3. 48foundation · easy

   In .NET tracing, what is an activity ID used for?

   • ATo identify the thread that produced the trace message.
   • BTo encrypt trace messages.
   • CTo group trace messages that belong to the same logical operation or request.
   • DTo specify the priority of a trace message.
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