HOTSPOT -Your network contains an internal network and a perimeter network.You have a Skype for Business Server 2015 infrastructure. The infrastructure contains four servers. The servers are configured as shown in the following table.You plan to implement end-to-end logging by using the Centralized Logging Service.You need to configure the firewall rule required for the Centralized Logging Service.How should you configure the firewall rule? To answer, configure the appropriate options in the answer area.Hot Area:
You have a Skype for Business Server 2015 environment that contains four servers. The servers are configured as shown in the following table.You run the Get-CsManagementStoreReplicationStatus Skype for Business Management Shell cmdlet and discover the following replication issue:From Telnet, you verify that you can connect to Server3 over TCP ports 443, 5061, and 5062. You republish the topology successfully and restart Server3.You need to identify what is causing the replication issue.What should you investigate?
Contoso, Ltd. has a Skype for Business Server 2015 environment that uses open federation. The perimeter network topology is shown in the exhibit. Click theExhibit button.The public certificates on the external interfaces of the Skype for Business Edge and Reverse Proxy are as follows:Audio calls to federated partners that also use Skype for Business Server 2015 are not working.You need to correct the issue of the failed audio calls.What should you do?
HOTSPOT -You plan to deploy a Skype for Business Server 2015 infrastructure that will include the following features:✑ E911✑ Persistent Chat✑ Monitoring reports✑ Call Admission Control (CAC)The network administrator requests that new technologies use IPv6 whenever possible.In the table below, identify which features support IPv6 and which features only support IPv4. Make only one selection in each row.Hot Area:
HOTSPOT -You have a Skype for Business Server 2015 infrastructure.You plan to deploy Persistent Chat features to meet the following requirements:Support up to 50,000 concurrent users.✑ Enable the Persistent Chat Server Compliance service.✑ Ensure that all of the features are automatically available if a single server fails.✑ Implement SQL mirroring.You need to determine the minimum number of Front End Server and Microsoft SQL Server Back End Servers that are required for the planned deployment.How many servers should you deploy? To answer, select the appropriate number of each type of server in the answer area.Hot Area:
Your company has a main office and a branch office. The main office has 3,000 users. The branch office has 100 users. The offices are connected via a wide area network (WAN) link.You have a Skype for Business Server 2015 infrastructure. The main office has a pool named Pool1 that contains three Enterprise Edition Front End servers. The branch office only contains an Active Directory domain controller and a file server.You need to recommend a high-availability solution to ensure that users can establish calls if one of the following components fails:✑ A Front End Server✑ A public switched telephone network (PSTN) gateway✑ A WAN routerThe solution must minimize deployment and maintenance costs.What should you recommend?
