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Microsoft Lync 2013 Depth Support Engineer Sample Questions:

1. You administer Microsoft Lync Server 2013 clients and servers in your customer's
network. All client computers run Windows 8 Enterprise and Microsoft Lync 2013.
The computers are members of an Active Directory Domain Services (AD DS)
domain named contoso.com. A user installs the Lync Windows Store App on his
computer. He reports that he is unable to sign in to the Lync Windows Store App.
The same user can successfully sign in by using Lync 2013. You need to diagnose
the reason for the failure. What should you do?

A) Run nslookup against an external DNS server.
B) Flush the DNS cache on the client computer.
C) Run nslookup against the internal DNS server.
D) Open a Telnet session to the Lync server.

2. You support a customer who administers Microsoft Lync Server 2013 Enterprise servers in his company. The pool named lync.contoso.com is configured with the session initiation protocol (SIP) domain contoso.com. The internal split-DNS domain
contoso.com contains the following records: _gc._tcpSRV priority 0, weight 100, port 3268 dc1.contoso.com_ldap._tcpSRV priority 0, weight 100, port 389 dc1.contoso.com_kerberos._tcpSRV priority 0, weight 100, port 88 dc1.contoso.com_sipinternal._tcpSRV priority 0, weight 0, port 5061, lync.contoso.com _sip._tlsSRV priority 0, weight 0, port 5061, lync.contoso.com EnterpriseCA A 192.168.10.5Admin A 192.168.10.10Lync A 192.168.10.10Lyncdiscoverinternal A 192.168.10.10Exchange2010 A 192.168.10.4OWA A 192.168.10.4DC1 A 192.168.10.3Sip A
192.168.10.10 Users who are running Lync Mobile on their mobile devices report that when they attempt to retrieve calendar information, they receive an error that references a Microsoft Exchange Web Services connectivity issue. You need to ensure that users are able to receive calendar information from Lync Mobile devices. What should you do?

A) Reconfigure Dynamic Host Configuration Protocol (DHCP) option 43 to point to EnterpriseCA.contoso.local.
B) Reconfigure Dynamic Host Configuration Protocol (DHCP) option 120 to point to DC1.contoso.local.
C) Create the following service record in DNS: _lyncdiscover._tcp.contoso.com SRV Priority 0, weight 0, port 5061, Lync.contoso.com
D) Create the following host record in DNS: Autodiscover.contoso.com A 192.168.10.4

3. 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) MediaConnectivity
B) HybridVoice
C) incomingAndOutgoingCall
D) LYSSAndUCS

4. HOTSPOT Your customer supports a Microsoft Lync Server 2013 environment. Users are unable to add a federated user to an AV conference. The affected users can view the federated user's presence, and the internal users' External Access Policy is configured to allow communication with federated users. You attempt to initiate a Telnet session to TCP port 5062 from your Lync Server 2013 Front End Server to your Lync Server 2013 Edge Server's internal interface, but you receive an error message that includes "Could not open a connection to the host, on port 5062: Connect failed." You decide to work with the network team to ensure that the Lync Server 2013 environment has the appropriate connectivity to ensure media path negotiation and media flow between the front end server and the Edge server. You need to ensure that users are able to add federated users to an AV conference. Which network ports should you confirm are open on the Lync Server 2013 Front End Server and on the Lync Server 2013 Edge Server? To answer, select the appropriate server or servers for each port in the answer area.

5. DRAG DROP You support a customer who
is deploying Microsoft Lync
Server 2013. The customer has completed deployment of the following components:
-A Lync Standard Edition Server,
-A Lync Edge Server,
-A media gateway connected to a Tl trunk,
-Appropriate rules for reverse proxy, and
-An Office Web App server with Microsoft SharePoint 2012.
Neither federation nor external access is enabled.
The customer installs a number of Lync 2013 clients on pilot user computers that are located inside their network. No one is able to access the Lync server from outside the network.
The pilot users report the following issues:
-When they make calls to local numbers, the calls do not work. An announcement states that they must not dial 1 to make a local call.
-When they make calls to long distance numbers, the calls connect, but the other end user reports that the caller's number does not appear correctly.
-When they receive long distance calls from outside, the caller ID information displayed in Lync does not match the caller's contact information.
You need to ensure that users in the customer's network can successfully have calls with users outside the network. You open the Voice Routing tab on the Lync
Server Control Panel as shown in the exhibit. (Click the Exhibit button.)

Which area should you look in to investigate each issue? (To answer, drag the appropriate voice routing area to the correct issue investigation or investigations. Each voice routing area may be used once or not at all. You may need to drag the split bar between panes or scroll to view content.)

Solutions: