You need to prevent the client computer from performing DNS suffix devolution

Your network contains an Active Directory domain named contoso.com. In the contoso.com domain,
you deploy a client computer named test.IT.lab.contoso.com that runs Windows 7. You need to
prevent the client computer from performing DNS suffix devolution. What should you do?

A.
Run netsh.exe and specify the namespace context.

B.
Run dnslint.exe and specify the /ad parameter.

C.
Modify the local Group Policy.

D.
Run dnscmd.exe and specify the /config parameter.