You support a Microsoft Lync Server 2013 Enterprise pool deployed in a high availability configuration for Back End Servers named Backend1 and Backend2. You execute the Get-CSDatabaseMirrorState cmdlet and discover the following errors. WARNING: Cannot connect to database server "BackEnd2.contoso.com".Message: A network- related or instance-specific error occurred whileestablishing a connection to SQL Server. The server was not found or was notaccessible. Verify that the instance name is correct and that SQL Server isconfigured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)DatabaseName : rtcabStateOnPrimary : PrincipalStateOnMirror : StatusUnavailableMirroringStatusOnPrimary :synchronizedMirroringStatusOnMirror :DatabaseName : rtcxdsStateOnPrimary : PrincipalStateOnMirror : StatusUnavailableMirroringStatusOnPrimary :synchronizedMirroringStatusOnMirror You need to resolve the connectivity issue and bring up the mirror databases to the synchronized state between the Back End Servers. What should you do?

• A. From the Front End Server, create the inbound rule on the firewall.
• B. Run the Test-CsDatabase cmdlet.
• C. Run the Invoke-CsPoolFailOver cmdlet.
• D. From the mirror Back End Server, create the inbound rule on the firewall.

You deploy a Microsoft Lync Server 2013 Enterprise Pool that is configured with Enterprise Voice and Dial-in Conferencing. All client computers run Windows 7 or Windows 8, and all use Lync 2013. Users report that they are unable to share Microsoft PowerPoint presentations with users who are using certain mobile devices. They also report that they are unable to scroll through a PowerPoint presentation independent of the presentation itself. You need to ensure that while they are in conferences, users are able to share PowerPoint presentations with users who are using mobile devices. You also need to ensure that users are able to scroll through PowerPoint presentations. What should you do?

• A. Install an Office Web Apps Server on a server that is running Office 2013 and configure Lync Server 2013 to communicate with Office Web Apps.
• B. Install Office 2013 for all users and instruct them to use PowerPoint 2013.
• C. Configure a new conferencing policy and enable the AllowMultiView.
• D. Install an Office Web Apps Server on a server and configure Lync Server 2013 to communicate with Office Web Apps.

You support a customer whose network environment includes Microsoft Lync Server 2013 nterprise, with two Front End Servers and two Back End Servers. The Back End Servers are deployed in a high availability configuration. ou create a Front End pool named pool.contoso.com and implement DNS load balancing for client access to the Lync servers. our internal DNS records have the following configuration: Your Lync 2013 clients fail to sign in automatically. The trace log of failed sign-in attempt is as follows:

• A. Create the following host records: Pool A 192.168.1.20 Pool A 192.168.1.21
• B. Create the following service record: _sipinternal.tls.contoso.com SRV Priority 0, weight 0, port 5061, FrontEndServer1.contoso.com
• C. Create the following service record: _sip._tls.concoso.com SRV Priority 0, weight 0, port 5061, pooIOl.coato30.com
• D. Create the following host records: Pool A 192.168.1.10 Pool A 192.168.1.11
• E. Create the following host records: Sip A 192.162.1.20 Sip A 192.163.1.21

DRAG DROP You support Microsoft Lync Server 2013 servers in your customer's company network.
All computers in the network are members of an Active Directory Domain Services (AD DS) domain named corp.contoso.com.
The Session Initiation Protocol (SIP) domain name is contoso.com. You configure the Autodiscover service to support external mobile device users. Mobile device users running Windows Phone or Apple iOS report that they are unable to sign in to the Lync Mobile Client. You verify that you are able to
-Establish a telnet session from an external computer to host lyncdiscover.contoso.com on port 80.
-Sign in to Lync by manually entering the URL https://lync.contoso.com/Autodiscover/autodiscoverservice.svc/Root. You need to ensure that external users running Windows Phone or Apple iOS are able to automatically sign in to Lync. Which three steps should you perform in sequence? (To answer, move the appropriate three actions from the list of actions to the answer area and arrange them in the correct order.)