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You support a customer whose network environment includes a Microsoft Lync Server 2013 Enterprise Pool configured with Enterprise Voice and dial-in conferencing. All servers run Windows Server 2012, and all client computers run Windows 7 64-bit. All users dial in to conferences. Users report that dial-in conferencing settings are not consistent between sites, and that this is affecting their
conferencing experience. You need to ensure that dial-in conferencing settings are consistent between all Lync sites. What should you do?

• A. Run the Remove-CsConferenceDirectory cmdlet.
• B. Run the Move-CsConference Directory cmdlet.
• C. Modify the global settings, and then run the Remove- CSDialInConferencingConfiguration cmdlet against each site.
• D. Run the Remove-CSDialInConferencingConfiguration cmdlet against the global dial-in conferencing settings.

Your customer's Microsoft Lync Server 2013 environment is configured according to the following:
-Firewalls block all traffic between user subnets.
-Security policy prohibits any changes to firewall rules between user subnets. The customer reports that:
-Users can share their desktop with others on the same subnet.
-Users are unable to share their desktop between users on different subnets. You need to ensure that users can share their desktops between subnets. What should you do?

• A. Disable Windows Firewall on the Front End Server.
• B. On the client computers, add an exception in Windows Firewall.
• C. Have the firewall team open media ports between each user subnet and the Edge server.
• D. Change the port range for Lync traffic.

You support a customer whose Microsoft Lync Server 2013 environment includes a single Lync Server 2013 Standard Edition pool located in a main office and four branch offices that are connected by a 3MB dedicated wide area network (WAN) link, with 100 users in each office. The Lync client's IP address is 10.0.0.100. The Lync IP server's address is 192.168.255.2. Quality of Service (QoS) is configured in Lync server for voice to use the differentiated services code point (DSCP) with a value of 46.
Users in the branch offices report poor audio quality during conferences that are hosted on Lync. The results of a network trace include the following information: Based on the network trace, you need to identify the most likely cause of the call quality issues. Which setting should you modify?

• A. DSCP value
• B. MTU
• C. STUN port
• D. Geo IP

You support a customer whose network environment includes Microsoft Lync Server 2013 servers. All of the company servers are located in the company datacenter. All users have Lync
2013 installed on their local computers. You deploy a virtual desktop infrastructure (VDI) environment to a pilot group of users. You install the Lync VDI plug-in and plug Lync compatible devices to the users' computers. Users report that Lync 2013 fails intermittently when pairing with the Lync VDI plug-in. You need to ensure reliable access to Lync 2013 for this pilot group of users. What should you do?

• A. Uninstall Lync 2013 from the local users' computers.
• B. Run Windows 7 Service Pack 1 or higher on the local computers.
• C. Configure the remote desktop client settings so that audio plays on the local computer and remote recording is disabled.
• D. Set EnableMediaRedirection to $FALSE for all VDI users.

You support a Microsoft Lync Server 2013 Enterprise pool named Lync2013.contoso.local. The pool is configured
with two Session Initiation Protocol (SIP) domains named litware.com and fabrikam.com. The environment also includes the following:
-three Front End Servers named Lync2013FEl, Lync 2013FE2, and Lync2013FE3 -one Back End Server named Lync2013BE You plan to install a single Edge Server. You create an Edge pool named Lync2013Edge.contoso.local. You want to configure the following Edge services:
-Access Edge to use sip.fabrikam.com
-Web Conferencing to use conf.fabrikam.com You also want to enable the federated access feature. You need to assign internal and external certificates to the Lync 2013 Edge server. Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)

• A. Request a wildcard certificate for *.contoso.local from an internal certificate authority (CA). Assign the certificate to internal and external interfaces of the Edge Server.
• B. Request a certificate from a public certificate authority (CA) and include the names sip.fabrikam.com, sip.litware.com, and conf.fabrikam.com. Assign this certificate to the external interface of the Edge Server.
• C. Request a certificate from a public certificate authority (CA) and include the names Lyncdiscoverexternal.fabrikam.com and sipfederation.fabrikam.com. Assign the certificate to internal and external interfaces of the Edge Server.
• D. Request a certificate from a public certificate authority (CA) and include the names sip.fabrikam.com and sip.litware.com. Assign this certificate to the internal interface of Edge Server.
• E. Request a private certificate from an internal certificate authority (CA) and include the name Lync2013Edge.contoso.local. Assign the certificate to internal interface of the Edge Server.