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Microsoft Lync 2013 Depth Support Engineer Sample Questions:

1. DRAG DROP You support a Microsoft Lync Server 2013 environment.
A customer reports that they are receiving alerts from the voice gateway and that outbound calls are failing due to no trunks being available. You need to diagnose the issue. You decide to collect performance counters to determine the reason that calls are failing. Which
Performance Monitor counter or counters should you select, on which server or servers? (To answer, drag the appropriate counter and server to the correct location or locations in the Solution area. Each voice counter and server may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.)

2. You support a Microsoft Lync Server 2013 environment that includes:
-Two Enterprise consolidated Lync servers in a single pool,
-Two Edge consolidated Lync servers in a single pool,
-One Microsoft Office Web Apps server, and
-One reverse HTTP(S) proxy server. Microsoft Exchange 2010/Microsoft Outlook 2013 are used for internal email and Unified Messaging. The email solution has been used within the company for an extended time without any issues. Unified Messaging has been configured and set
up as part of the Lync 2013 implementation project. You plan to deploy Enterprise Voice for all users, including users who have Lync Phone Edition (LPE) devices that are connected by using a LAN cable and a USB cable. You begin migrating test accounts. When a test user signs into Outlook 2013 and Lync 2013, all communications appear to be working as expected. Outlook creates the user profile as expected and logs into the test user mailbox. The test user signs into Lync as expected and is able to communicate with Exchange by using Exchange Web Services (EWS).
After the test user signs into Lync, a prompt is displayed requesting user credentials for the Lync Phone Edition device. The test user enters his credentials and the phone signs into Lync; however, after a short period of time, a yellow warning triangle appears on every test LPE device. In reviewing the LPE device for errors, you discover that Exchange integration is failing with the following error: "Connection to Microsoft Exchange is unavailable. Please contact your support team." Logs from the LPE Device are displayed in the Exhibit 1. (Click the Exhibit button.)

Internet Information Services (IIS) logs on the Exchange Client Access server (CAS) are displayed in Exhibit 2. (Click the Exhibit button.)

You need to ensure that the LPE device can authenticate to EWS. What should you do?

A) Remove the Lync Client certificates for the test user from the Lync server.
B) Reissue the current Exchange CAS server certificate and bind to the IIS service.
C) Update the Lync server internal web services certificate on each front-end pool server.
D) Update the certificate chain on the Exchange CAS.

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

4. DRAG DROP You support Microsoft Lync Server 2013 servers in your customer's company network. The Lync topology includes one site named HQ, with two servers named LyncFE.contoso.com and LyncDir.contoso.com. The servers use Kerberos authentication for web services. The Kerberos authentication account name is contoso\kerberos. he account has been accidentally deleted from the Active Directory Domain Services (AD DS) database. Users are unable to sign in to Lync. ou need to restore Kerberos authentication. You remove
Kerberos assignment
for the missing
account and enable the topology. n which order should you perform the next actions? (To answer, move all actions from the list of actions to the answer area and arrange them in the correct order.)

5. You support a customer whose network environment includes Microsoft Lync Server 2013 Standard Edition deployed with an Edge Server that is connected to the Internet. A user reports that when he tries to share a Microsoft PowerPoint presentation in a Lync conference, external users receive the following error message: "Some sharing features are unavailable due to server connectivity issues." You ask the customer to run the Get-OfficeWebAppsFarm cmdlet on the Office Web Application Companion (WAC) server. He provides the following result: You need to ensure that external users are able to share and view PowerPoint presentations in Lync meetings. What should you do?

A) Set the ExternalUrl parameter on the WAC server and publish to the Internet by using a reverse proxy.
B) Install WAC on the Edge Server.
C) Set the InternalUrl parameter on the WAC server and publish to the Internet by using a reverse proxy.
D) Install WAC on the Front End pool.

Solutions: