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Microsoft Lync 2013 Depth Support Engineer Sample Questions:

1. You support Microsoft Lync Server 2013 servers in your customer's network. The network is isolated from Internet with a firewall. Users report voice and video communication problems while communicating with external participants. You need to verify port availability for audio/video communication on the Edge Server. Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)

A) Check UDP port 3478.
B) Check TCP port 4443.
C) Check TCP port 8057.
D) Check TCP port 443.
E) Check TCP port 5061.

2. DRAG DROP
You are helping your customer perform a side-by-side migration from Microsoft Lync Server 2010 to Microsoft Lync Server 2013 Your customer's Lync environment currently includes the following:
-Lync Server 2010 Pool with two Enterprise Edition Front End servers
-Lync Server 2010 Mediation Server pool with one Mediation Server
-Lync Server 2010 Edge pool with one Edge Server
-Lync Server 2010 Audio/Video (A/V) pool with two A/V Servers
-Lync Server 2010 Monitoring and Archiving Server
-Lync Server 2013 Pool with three Enterprise Edition Front End servers and collocated Mediation Server pool
-Lync Server 2013 Persistent Chat server pool with two servers
-Lync Server 2013 Edge Server pool with two servers
-Two Session Initiation Protocol (SIP) trunks connected to Lync Server 2010 Mediation Server
-Two SIP trunks connected to Lync Server 2013 Front End Pool Mediation server pool Your customer moves a batch of users to Lync Server 2013. One user reports that when she escalates the IM conversation to an Audio/ Video conference with her colleague who is on Lync Server 2010, audio and video quality become choppy. She also reports that the bars change from green to orange to red. Users who are on Lync Server 2010 do not report any problems with audio or video quality. The Lync Server 2013 user reports that after a few minutes, everything starts working fine.You discover that the Lync 2013 user is using a home Wi-Fi connection. You start a Lync 2010 client on a test computer and sign in with a Lync Server 2010 test user account. You start a Lync 2013 client on a second test computer and sign in with a Lync Server 2013 test user account. You re-create the problem by using two test user accounts and collect the following information:
-log file from each client
-Lync events from each client
-log files from both Front End Server pools
-Lync Server event from Lync Server 2013 pool
-Network Monitor data on Edge Server
-Network Monitor data on the test computer that has Lync 2013 You need to analyze the logs and packet data to diagnose the problem. 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.)

3. You support a customer whose network environment includes Microsoft Lync Server 2013 Enterprise, with two Front End Servers and two Back End Servers. The Back End Servers are deployed in a high availability configuration. You create a Front End pool named pool.contoso.com and implement DNS load balancing for client access to the Lync servers. Your internal DNS records have the following configuration: _gc._tcp.contoso.com SRV priority 0, weight 100, port 3268 dc1.contoso.com_ldap._tcp.contos.com SRV priority 0, weight 100, port 389 dc1.contoso.com_kerberos._tcp.contos.com SRV priority 0, weight 100, port 88 dc1.contoso.com_sip._tls.contoso.com SRV priority 0, weight 0, port 5061, pool.contoso.com FrontEndServer1 A 192.168.1.10FrontEndServer2 A 192.168.1.11BackEndServer1 A 192.168.1.20BackEndServer2 A 192.168.1.21Pool01 A 192.168.1.10Pool01 A
192.168.1.11 Your Lync 2013 clients fail to sign in automatically. The trace log of failed sign-in attempt is as follows: INFO :: QueryDNSSrv -DNS Name[_sipinternaltls._tcp.contoso.com]ERROR :: HRESULT failed: 80072726 = HRESULT_FROM_WIN32(::ShimWSAGetLastError()) . Failed to convert string IP to SOCKADDRERROR :: ResolveHostNameUsingGetAddrInfo getaddrinfo(pool.contoso.com) failed WARN :: ResolveHostName
-getaddrinfo failed for pool.contoso.com ERROR :: ResolveHostNameUsingDnsQuery - DnsQuery(pool.contoso.com) failed WARN :: ResolveHostName - DNS lookup failed for pool.contoso.com ERROR :: ResolveHostName - Name resolution for pool.contoso.com failedERROR :: ResolveHostSyncResolveHostName failed ERROR :: GetDnsResults - did not get any resultERROR :: QueryDNSSrvGetDnsResults query: _sipinternaltls._tcp.contoso.com failed ERROR :: DNS_RESOLUTION_WORKITEM::ProcessWorkItemResolveHostName failed You need to ensure that internal Lync 2013 clients can sign in automatically. You also need to ensure that internal traffic is load balanced across the two Front End Servers. What should you do?

A) Create the following service record: _sip._tls.contoso.com SRVPriority 0, weight 0, port 5061, pool01.contoso.com
B) Create the following host records: SipA 192.168.1.20SipA 192.168.1.21
C) Create the following service record: _sipinternal._tls.contoso.com SRVPriority 0, weight 0, port 5061, FrontEndServer1.contoso.com
D) Create the following host records: PoolA192.168.1.10PoolA192.168.1.11
E) Create the following host records:PoolA192.168.1.20PoolA192.168.1.21

4. You support a customer whose network environment includes Microsoft Lync Server 2013 Standard deployed with an Edge Server that is connected to the Internet. Some users have Lync Mobile installed on their mobile devices.When the users attempt to sign in to Lync from their mobile devices on a carrier network, they receive the following error message: "Cannot connect to the server. It might be unavailable. Also please check your network connection, sign-in address, and server addresses." You need to ensure that users are able to sign in to Lync from their mobile devices on a carrier network. What should you do?

A) Add a LyncDiscoverlnternal DNS entry that points to the Lync Front End Pool Server by using a reverse proxy.
B) Add a LyncDiscover DNS entry that points to the Lync Front End Pool Server by using a reverse proxy.
C) Add a LyncDiscoverlnternal DNS entry that points to the Lync Edge Server.
D) Add a LyncDiscover DNS entry that points to the Lync Edge Server.

5. You deploy a Microsoft Lync Server 2013 Enterprise Pool that is configured with Enterprise Voice and Dial-in Conferencing. All client computers run Windows 8. Users regularly use the Lync client to demonstrate new programs. A user reports that she is unable to select any Windows Store app program to demonstrate. You need to ensure that Lync users are able to demonstrate Windows Store app programs. What should you do?

A) Using the Set-CsConferencingPolicy cmdlet, enable the AllowMultiView setting.
B) Instruct the user to change to desktop display.
C) Using the Set-CsConferencingPolicy cmdlet, enable the EnableMultiview Join setting.
D) Instruct the user to change the resolution of the display.

Solutions: