A company is currently using Team Foundation Server 2013. They want to now migrate to Azure Devops. Below are the key points that need to be observed for the migration All dates for the Team Foundation Version Control changesets need to be preserved
All TFS artifacts need to be migrated
The migration effort should be minimized
Which of the following step needs to be performed on the Team Foundation Server?

Answer options:

A.The TFS Java SDK needs to be installed.
B.The latest .Net framework needs to be installed.
C.The latest powershell version needs to be installed.
D.The TFS server needs to be upgraded to the latest RTW release

Answer – D 
In the whitepaper showcasing how to migrate from TFS to Azure Devops , there is a section which states that the TFS server needs to be migrated to the latest version. This would help ensure that the TFS schema is close to the one represented in Azure Devops services. Below is what is mentioned in the whitepaper 

Since this is clearly mentioned in the whitepaper, all other options are incorrect 
For more information on the migration, please visit the below URL 

https://azure.microsoft.com/en-us/services/devops/migrate/