You migrate a Windows Server .NET web application to Azure Cloud Services. You need enable
trace logging for the application. Which two actions should you perform? Each correct answer
presents part of the solution.

A.
Update the service definition file.

B.
Update the Azure diagnostics configuration.

C.
Update the service configuration file.

D.
Enable verbose monitoring.

E.
Update the application web.config file.

Explanation:
You can use Azure logging right out of the box–it’s part of Azure SDK.
A: Azure Service Definition Schema (.csdef File) The service definition file defines the service
model for an application. The file contains the definitions for the roles that are available to a cloud
service, specifies the service endpoints, and establishes configuration settings for the service.
B: Take Control of Logging and Tracing in Microsoft Azure The
Microsoft.WindowsAzure.Diagnostics namespace, which inherits from and extends standard
System.Diagnostics classes, enables the use of System.Diagnostics as a logging framework in
Azure environment.
http://msdn.microsoft.com/en-us/library/azure/ee758711.aspx
http://msdn.microsoft.com/en-us/magazine/ff714589.aspx