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Microsoft Lync 2013 Depth Support Engineer Sample Questions:

1. You support Microsoft Lync Server 2013 in your company network. Your company has four buildings on a single site. A user reports that when she calls users in another building, the call quality is poor. You receive the Quality of Experience (QoE) report: Capture device: Headset MicrophoneRender device: Headset EarphoneMicrophone timestamp error: 0.02msEcho percent microphone in: 15.21%Codec: SIRENAudio FEC: FalsePacket utilization: 32701Avg. packet loss rate: 10.21%Avg. jitter: 23msAvg. round trip:
62msAvg. network MOS: 3.71Avg. network MOS degradation (jitter):0.00%Avg. sending MOS: 2.97Avg. listening MOS: 3.17Receive noise level: -56dBoV Which of the following values is outside acceptable limits?

A) Avg. jitter: 23ms
B) Packet utilization: 32701
C) Avg. round trip: 62ms
D) Avg. packet loss rate: 10.21%
E) Receive noise level: -56dBoV

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

3. You are a member of the CsAdministrator group that supports the Microsoft Lync datacenter for your company. The datacenter consists of one pool that is running Microsoft Lync Server 2013. You deploy a managed response group. The agent participation policy is set to Formal and the routing method is set to Longest Idle. All agents have been logged in for more than four hours. On average, each agent responds to five calls per hour. One agent has not received any calls. All of the other agents have received calls. You need to ensure that all agents can receive calls through Response Groups. What should you do?

A) Disable Agent Anonymization.
B) Turn off Enhanced Privacy Mode.
C) Enable Agent Anonymization.
D) Turn on Enhanced Privacy mode.

4. You support a customer whose network environment includes Microsoft Lync Server 2013 Standard Edition. Your customer plans to enable sharing of Microsoft PowerPoint content in Lync meetings. You enable the Office Web Apps Server discovery URL in the Lync Topology. You need to verify that Lync Server 2013 enables PowerPoint content. What should you do?

A) Verify the connection to the Office Web Apps Discovery URL in a web browser.
B) Check the Event Log of the Front End pool server.
C) Check the Lync Server Control Panel.
D) Check the Event Log of the Office Web Apps server.

5. 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.

Solutions: