Your company has offices in Montreal, New York, and Amsterdam.
The network contains an Active Directory forest named contoso.com.
An Active Directory site exists for each office. All of the sites connect to each other by using the DEFAULTIPSITELINK site link.
You need to ensure that only between 20:00 and 08:00, the domain controllers in the Montreal office replicate the Active Directory changes to the domain controllers
in the Amsterdam office.
The solution must ensure that the domain controllers in the Montreal and the New York offices can replicate the Active Directory changes any time of day.
What should you do?

A.
Create a new site link that contains Montreal and Amsterdam.
Remove Amsterdam from DEFAULTIPSITELINK.
Modify the schedule of DEFAULTIPSITELINK.

B.
Create a new site link that contains Montreal and Amsterdam.
Create a new site link bridge.
Modify the schedule of DEFAU LTIPSITELINK.

C.
Create a new site link that contains Montreal and Amsterdam.
Remove Amsterdam from DEFAULTIPSITELINK.
Modify the schedule of the new site link.

D.
Create a new site link that contains Montreal and Amsterdam.
Create a new site link bridge.
Modify the schedule of the new site link.

Explanation:
Very Smartly reworded with same 3 offices. In the exam correct answer is “Create a new site link that contains Newyork to Montreal.
Remove Montreal from DEFAULTIPSITELINK.Modify the schedule of the new site link”.
http://technet.microsoft.com/en-us/library/cc755994(v=ws.10).aspx