Which three actions should you perform?

You are a technical team lead. Your company networkincludes a Microsoft Visual Studio Team Foundation
Server (TFS) 2012 server.
You are assigned to work on a project with an internal development team and an off-site vendor who is new to
working with your company.
You need to ensure that the code delivered by the off-site vendor is of an acceptable quality, conforms to
standards, and does not affect production support.
Which three actions should you perform? (Each correct answer presents a complete solution. Choose three.)

A.
Implement custom and standard check-in policies to force compliance to standards, passing of unit tests,
and running static code analysis.

B.
Implement a branching and permissions strategy that isolates vendor changes.

C.
Implement an email alert that is triggered when the off-site vendor’s developers check in code.

D.
Implement a gated check-in build.

E.
Implement a policy requiring developers to shelve their changes at the end of each day.