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Microsoft Lync 2013 Depth Support Engineer Sample Questions:

1. You support a Microsoft Lync Server 2013 on-premise environment that includes the following:
-An Enterprise Edition Front End Pool with three Front End Servers
-A mirrored back-end SQL database
-Both the Front End Pool and Edge Pool use hardware load balancers (HLBs)
-An Edge Server pool with two servers in perimeter network The Lync environment supports 10,000 users in High Availability mode. Some users report that they are unable to make outbound calls to specific public switched telephone network (PSTN) numbers. When they attempt to do so, the call appears to be connected but then drops with a reorder tone, and then they receive the following error message: "Due to network error your call cannot be completed at this time. Please try your call again." You need to troubleshoot the issue. Which centralized logging scenario should you use?

A) incomingAndOutgoingCall
B) LYSSAndUCS
C) MediaConnectivity
D) HybridVoice

2. You administer a Microsoft Lync Server 2010 Standard Edition server in your network environment. You deploy a Microsoft Lync Server 2013 Standard Edition server. You want to migrate users from Lync Server 2010 to Lync Server 2013. You migrate a test account from Lync Server 2010 to Lync Server 2013. You start the Lync 2013 client on one of your test computers and start testing various modalities. During testing, you decide to test the Meet Now functionality in Lync 2013 client. Meet Now starts a conference
and fails to connect. You start Clslogging.exe. You generate a log that includes the following information:

You need to identify the cause of the issue. What should you do first?

A) Start WireShark and perform the Meet Now test again.
B) Click Show Call Flow Window.
C) Right-click the error message and select Go to nearest entry in trace viewer.
D) Open another log file from the Lync client in Snooper.

3. Your customer's company has a main office and five branch offices located in different cities. Your customer has a Microsoft Lync Server 2013 datacenter configured with Enterprise Voice at the main office. The customer has deployed a Survivable Branch Appliance (SBA) at the first branch office and connected it to a public switched telephone network (PSTN) by using a Tl trunk line provided by your service provider. The gateway is configured to use fully qualified domain names (FQDNs). All functionality has been tested by using pilot users at the branch office. The customer reports that they tested branch isolation by disconnecting the wide area network (WAN) from their branch office and making an outbound call. The call was successful. Next, they made an inbound call to the branch office and the call failed. To troubleshoot the issue, you begin a trace of IncomingAndOutgoingCalls by using centralized logging, and make an inbound call. You open the log in snooper and search for incoming calls with the phone number from which you are calling. You do not find any messages. You open the syslog from the gateway side of the SBA and discover that messages are sent to the Lync Mediation server pool, but no responses have been received. You connect the WAN from the branch office and make an inbound call. The call is successful. Your investigation suggests that there is a configuration error on the Gateway side of the SBA. You need to identify the configuration error that causes inbound calls to fail. What should you check?

A) DNS settings on the gateway
B) Route settings of the gateway
C) Dynamic Host Configuration Protocol (DHCP) options on the branch DHCP server
D) The domain controller at the branch office

4. You support a customer whose Microsoft Lync Server 2013 Enterprise environment that is configured with Enterprise Voice and Dial-in Conferencing. You remove the server that is hosting the File Store by using the Lync Topology Builder.
You add and define a new file server and publish the topology. Conference attendees report that they no longer hear their names played when they join or leave a conference. You need to ensure that conference attendees hear their names played when they join or leave a conference. Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)

A) Restart the Conferencing Announcement application.
B) Run the Set-CsDialinConferencingConfiguration cmdlet.
C) Restart the Conferencing Attendant application.
D) Run the Test-CsDialInConferencing cmdlet.

5. 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) Change the port range for Lync traffic.
C) Have the firewall team open media ports between each user subnet and the Edge server.
D) On the client computers, add an exception in Windows Firewall.

Solutions: