Your network consists of a single Active Directory domain. Your company has recently merged with another company. The acquired company has an Active Directory network with multiple domains. All domain controllers in both forests run Windows Server 2008 R2 or Windows Server 2012 R2. You have been given the task of recommending changes to the Active Directory structure.
You want to let users in both companies access each other's resources (subject to applicable permissions), and you want to minimize administrative effort in doing so.
What should you do?
a. Create two one-way external trusts between your domain and each domain in the newly acquired company.
b. Create two one-way external trusts between the two forest root domains.
c. Create a two-way external trust between the two forest root domains.
d. Create a two-way shortcut trust between your domain and each domain in the newly acquired company.
e. Create a two-way forest trust between the two forest root domains.
f. Create a one-way forest trust between the two forest root domains.

While the user's server forms of the specific domain Active Directory. His corporation also partnered with some firms recently. The obtained corporation seems to have a multi-domain Active Directory server for both areas, both domain operators use the following Windows Servers. This was assigned the responsibility of proposing improvements to the Active Directory system.

He needs users of all corporations will gain exposure with each other's services, however, he wants to reduce logistical activity to achieve. Thus, he would build a two-way forest relationship between both the two roots forest domains.