The following release pipeline has been defined in Azure DevOps. 

The Artifacts section has been defined to pick up the artifacts from a build pipeline defined in Azure DevOps. The source code which is being build is an ASP.Net Core based solution. The application needs to be built on a Windows platform. 
You need to define the number of days a release can be retained. Where would you define this?

Answer options:

A.In the Tasks section
B.In the Variables section
C.In the Retention section
D.In the Options section

Answer – C 
You would define this in the Retention section, as shown below. 

The Microsoft documentation mentions the following. 

Since this is clear from the implementation, all other options are incorrect. 
For more information on retention policies, please visit the below URL- 

https://docs.microsoft.com/en-us/azure/devops/pipelines/policies/retention?view=azure-devops