You need to recommend a client configuration strategy to meet the requirements for the planned migration to Lync Online. What should you recommend?

Question

Exhibits

Options

• ADeploy a Group Policy object (GPO) that adds the msn.com domain to the Internet Explorer
• BEnable public IM connectivity for each user.
• CCreate a hosting provider for the msn.com domain,
• DEnable federation for each user.

• A
  11% (5)
• B
  83% (39)
• C
  4% (2)
• D
  2% (1)

Explanation

Case Study 4 - Contoso, Ltd Case B (Question 89 - Question 98) General Overview Litware, Inc. is a marketing company that has 20,000 users. Physical Locations Litware has a main office and a branch office. The main office is located in New York. The branch office is located in Montreal. The offices connect to each other by using a WAN link. Each office connects directly to the Internet. Each office has a firewall between the internal network and the perimeter network. Each office has a firewall between the perimeter network and the Internet. Existing Environment Active Directory Infrastructure The network contains an Active Directory forest named litware.com. The forest contains a single domain. All domain controllers run Windows Server 2012. Each office contains two domain controllers. Each office is configured as an Active Directory site. Lync Server Infrastructure The network contains a Lync Server 2013 infrastructure. The infrastructure contains 12 servers. The servers are configured as shown in the following table. Litware uses the following Lync features: - Instant messaging (IM) - A/V conferencing The Lync Server 2013 infrastructure is configured to use federation with users at a partner company, which is named Contoso, Ltd. Contoso has a SIP domain named contoso.com. The users at Contoso use Microsoft Lync Online. Litware has a Microsoft Exchange Server 2010 Service Pack 2 (SP2) organization. Unified Messaging (UM) and Lync Server 2013 are integrated. Litware plans to implement the following changes: - Enable Enterprise Voice for all users. - Add IP phones to the existing VLANs. - Add a SIP trunk to each site. Problem Statements Litware identifies the following issues: - The current firewall configurations allow all ports and all protocols to the Lync Server 2013 infrastructure. - A change to the Lync services provider proxy URL recently caused the federation with contoso.com to become unavailable. Litware plans to minimize hardware and software purchasing costs. Technical Requirements Litware identifies the following technical requirements: - The Enterprise Voice solution must ensure that calls to Canada are routed through the SIP trunk in the Montreal office. Litware identifies 39 area codes and a country code of 1 for Canada. - The Enterprise Voice solution must ensure that calls to any country besides Canada are routed through the SIP trunk in the New York office. Litware identifies 269 area codes and a country code of 1 for the - If the SIP trunk in the New York office fails, users in the Montreal office must be able to place international calls. - The provider of the New York SIP trunk requires that the Oil prefix be used to make all international calls. Rules exist to ensure that dialed numbers conform to E.164 standards. - Application sharing for up to 200 simultaneous remote users and 100 simultaneous internal users in a single conference must be supported. Each application sharing session uses 500 Kbps. Only users on the internal network are presenters of the conferences. - Users in the New York and Montreal offices must be able to dial a local number to access their voice mail remotely. Subscriber access must be available in French for the Montreal office users and in English and Spanish for the New York office users. - Microsoft Lync Phone Edition devices must be supported. - Users must be able to access their voice mail only from the Lync client by clicking Call Voice Mail. Security Requirements Allow only the required communications through the firewalls for the supported Lync services. Response Group Requirements Litware plans to create a response group for support calls to meet the following requirements: - Incoming calls must be routed to any support staff who are online and - If the support call is not answered by a support staff member, the call must be forwarded to the group of managers on call that day. - Calls forwarded to the managers must be sent to the manager who has not answered a support call in the longest amount of time.

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