A team is currently using Azure Pipelines for their build and release process. They have the following requirements when it comes to the release artifacts. It needs to be ensured that for the Development stage, the release is retained for ten days.
The last two releases should be maintained.
Which of the following would you set for the below requirement? 
“It needs to be ensured that for the Development stage, the release is retained for ten days.”

Answer options:

A.Set a retention variable for the development stage.
B.Set the retention policy for the development stage.
C.Set a trigger for the development stage.
D.Define the run numbers for the development stage.

Answer – B 
This can be done via the retention policy. The Microsoft documentation mentions the following. 

Since this is clearly mentioned in the Microsoft documentation, 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