70-663 Question #166: Real Exam Question with Answer & Explanation

Your company has offices in New York and Miami. The offices connect to each other by using a dedicated WAN link. Each office has a direct connection to the Internet. An Active Directory site exists for each office. Each office contains one Mailbox server, two Hub Transport servers, and two Client Access servers. All servers have Exchange Server 2010 Service Pack 1 (SP1) installed and run Windows Server 2008 R2. The Mailbox servers are configured as shown in the following table. You need to recommend a high-availability solution for the Mailbox servers that meets the following requirements: - The mailbox databases must be automatically available if a single Mailbox server fails. - The mailbox databases must be automatically available if the WAN link between the offices fails. - The mailbox databases must be available if all of the Exchange servers in an office become unavailable, after an administrator performs a manual failover. Which of the following solutions is the best recommendation? (More than one answer choice may achieve the goal. Select the BEST answer.)