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

2. You support a Microsoft Lync Server 2013 environment that consists of one Enterprise pool on a Front End Server Internal and external users cannot join online meetings using the Lync 2013 Lync Web App. The same users are able to join online meetings by using the Lync 2013 client. You need to diagnose the cause of the meeting join issues. Which cmdlet should you run from the Lync Server Management Shell?

A) Test-CsUcwaConference
B) Test-CsAsConference
C) Set-CsWebService, with the AllowAnonymousAccessToLWAConference parameter
D) Test-CsMcxConference

3. You plan to deploy a Microsoft Lync Server 2013 Enterprise server by using a
side-by-side upgrade from Office Communication Server (OCS) 2007 R2.
You perform the following actions:
-Complete the schema updates, forest update, and domain update.
-Define and connect the Lync Server 2013 topology to OCS 2007 R2 by using topology builder.
-Deploy Front End Pool, Director Pool, Persistent Chat Pool, and Edge Pool.
The Lync Server 2013 environment is using the OCS 2007 R2 Mediation Server
and associated PSTN gateway for PSTN inbound and outbound calls.
You want to test the Lync Server 2013 server for inbound, outbound, and dial-in
conference calls from a test computer that is located in a customer's office. Your
access to the customer network is restricted to Lync Severs, OCS servers, and some
test computers. During inbound, outbound, and dial-in conference calls, you encounter problems with media.
The calls have significant jitter and packet loss. Calls are intermittently disconnecting.
You need to determine the cause of these problems.
What should you do?

A) Run NetMonitor on the Mediation Server.
B) Run a protocol analyzer on the Public Switched Telephone Network (PSTN) gateway.
C) Run NetMonitor on the Edge Server.
D) Run the ClsController.exe command and select the Incomingand OutgoingCalls scenario on the Front End Server.

4. You support Microsoft Lync Server 2013 servers in your customer's network.
The network includes wired and wireless networks.
The network is configured to support Microsoft Lync Mobile users who have mobile devices that are running Microsoft Lync 2010 for iPhone. Users of Lync 2010 for iPhone report that they are unable to receive push notifications when they are connected to the company's internal network. They are able to receive push notifications when they are connected to their cellular network. You need to diagnose why these users cannot receive push notifications. What should you do?

A) Run the Test-CsPhoneBootstrap cmdlet.
B) Run the Test-CsFederatedPartner cmdlet.
C) Open a Telnet session to port 5223.
D) Run the Test-CsMcxP2PIM cmdlet.

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

Solutions: