You need to recommend a solution to ensure that when users from the New York office travel to the London office, and they dial 911, the call is routed to the local emergency services operator. What should you include in the recommendation?

A.
Modify the Dial Plan settings for the London office.

B.
Implement Site Location Policies.

C.
Implement User Location Policies.

D.
Modify the Dial Plan settings for the New York office.

Explanation:
You need to assign Location Policy to a site, as travelling users need local and not home 911. (http://technet.microsoft.com/en-us/library/gg425828.aspx)