Trey Research is merging with Proseware, Inc. Trey Research has an Active Directory Domain Services (AD DS) domain named treyresearch.net with domain controllers named DC01, DC02, and DC03…

Trey Research is merging with Proseware, Inc. Trey Research has an Active Directory Domain Services (AD DS) domain named treyresearch.net with domain controllers named DC01, DC02, and DC03. Proseware has an AD DS domain named proseware.com. All domain controllers run Windows Server 2008 R2 and the DNS server role. When creating a forest trust from dc01.treyresearch.net, the New Trust Wizard displays the following error message:

The New Trust Wizard cannot continue because the specified domain cannot be contacted. Either the domain does not exist, or network or other problems are preventing connection. You need to ensure that the forest trust can be created. What should you recommend? (More than one answer choice may achieve the goal. Select the BEST answer.)