You need to recommend changes to the Exchange Server organization to ensure that callers can leave voice mails if a server fails. Which component should you recommend?

Question

Exhibits

Options

• ATwo Edge servers that have Exchange Server 2010 deployed
• BAn additional UM IP gateway
• CAn additional Client Access server that has Exchange Server 2010deployed
• DAn additional Unified Messaging server that has Exchange Server 2010 deployed

• A
  2% (1)
• B
  15% (8)
• C
  8% (4)
• D
  75% (39)

Explanation

Case Study 3 - Contoso, Ltd Case A (Question 78 - Question 88) General Overview Contoso, Ltd. is a manufacturing company that has 4,000 employees. The company has a sales department, a marketing department, a research department, and a human resources department. Physical Locations The company has four offices. The offices are configured as shown in the following table. The New York office contains the main data center. Communications for all of the offices is routed through the New York office. All telephone calls from the Los Angeles office and the Miami office are routed through a PSTN gateway in the New York office. All offices connect to each other by using a WAN link. Each office connects directly to the Existing Environment Active Directory Environment The company has an Active Directory forest named contoso.com. The forest contains a single domain. All domain controllers run Windows Server 2008 R2. Each office contains two domain controllers. Each office is configured as an Active Directory site. Each office contains DHCP servers that run on 32-bit servers. Lync Server Environment The company has nine servers. The servers are configured as shown in the following table. The company uses a SIP domain of contoso.com. The voice infrastructure is configured as shown in the following table. All users are enabled for Enterprise Voice. The company also contains two Edge Servers that have Lync Server 2013 deployed. The servers are configured as shown in the following table. The Miami office has a dial plan. The dial plan is configured as shown in the following table. The Lync Server configuration has five routes. The routes are configured as shown in the following table. The PSTN usage for the users in the Los Angeles office is configured as shown in the following Problem Statements The company identifies the following issues with the current infrastructure: - Los Angeles users report that the audio quality during calls to the New York office is poor and that the calls often disconnect. - Users in the Miami office report that when their WAN link fails, they cannot establish calls to the PSTN. - The Miami users report that they cannot call the Los Angeles users by using a five- digit internal phone number. The company plans to implement the following changes: - Provide voice resiliency in all of the offices if a WAN link fails. - Implement Call Park. - Implement an unassigned number range that has a voice announcement. - Add an additional auto attendant. - Implement a gateway in the Los Angeles office that uses the local - Migrate several users to Microsoft Lync Online. The users will use instant messaging (IM) with MSN users only. Client computers will use automatic configuration and open federation. The migrated users will use a SIP domain of cloud.contoso.com. - Provide a backup route for each office if a gateway fails. ?Provide each office with access to the local PSTN. Technical Requirements The company identifies the following technical requirements: - Enable five-digit internal dialing that uses the site code and the last four digits of the phone number range. - Configure the New York gateway as the backup route for the local gateway in each office. Business Requirements Changes to the infrastructure must minimize the number of new servers deployed.

No community discussion yet for this question.