You are planning a Lync Server 2013 Edge Server deployment. A network administrator gives you nine public IP addresses for the planned deployment. You need to recommend an Edge Server deployment that

You are planning a Lync Server 2013 Edge Server deployment. A network administrator gives you nine public IP addresses for the planned deployment. You need to recommend an Edge Server deployment that meets the following requirements: - Remote users must be able to access conferences. - A different public IP address must be assigned to each Edge service. - Users must be able to sign in from a Microsoft Lync mobile client. - Users must be able to communicate with partners who are enabled for XMPP. - Remote users must be able to access the Lync Server infrastructure if an Edge Server fails. What should you include in the recommendation?