OS (Operating System) Quizzes Windows NT

Question:
Assume that all users are members of the ACE domain and that most of the resources exist in the PUBS and CAD domains. You are a user with administrator rights in all domains. How would you allow users to access all of the resources, with a minimum set of trust relationships?

Option A):
Establish one-way trust relationships in which: ACE trusts PUBS ACE trusts CAD
Option B):
Establish one-way trust relationships in which PUBS trusts ACE ACE trusts CAD
Option C):
Establish one-way trust relationships in which: PUBS trusts ACE CAD trusts PUBS
Option D):
Establish one-way trust relationships in which: PUBS trusts ACE CAD trusts ACE

Correct Answer is Option D):
Establish one-way trust relationships in which: PUBS trusts ACE CAD trusts ACE