Your network contains an Active Directory domain named contoso.com. A partner company has an Active Directory domain named nwtraders.com.

The networks for contoso.com and nwtraders.com connect to each other by using a WAN link.

You need to ensure that users in contoso.com can access resources in nwtraders.com and resources on the Internet.

What should you do first?

A.
Modify the Trusted Root Certification Authorities store.

B.
Modify the Intermediate Certification Authorities store.

C.
Create conditional forwarders.

D.
Add a root hint to the DNS server.