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Microsoft Lync 2013 Depth Support Engineer Sample Questions:

1. 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.

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

3. You support a Microsoft Lync Server 2013 datacenter that has:
-Two paired Front End pools named ConPoolOl and ConPool02 running Microsoft Lync Server 2013.
-65,000 users.
Meeting content is stored on ConPoolOl.
The servers that are running ConPoolOl suffer a catastrophic failure. You take the following steps:
-Failover users to ConPool02.
-Correct the failure on ConPool01.
-Failback the users to ConPool01.
You need to restore meeting content for users. Which cmdlet(s) should you run?

A) Invoke-CsBackupServiceSync
B) Invoke-CsPoolFailover PowerShell
C) Test-CsDatabase cmdlet, and then Get-CsUserDatabaseState
D) Get-CsDatabaseMirrorState crndlet and then Invoke-CSManagementServerFailover PowerShell

4. You support a Microsoft Lync Server 2013 environment.
The network includes:
-An Enterprise Edition Front End Pool with two Front End Servers,
-A mediation server that is collocated on the Front End Server, and
-A media gateway with 4 Tl trunks for public switched telephone network (PSTN) connectivity.
Users report intermittent outbound PSTN call failures. There are no issues with inbound PSTN
calls. You view the event log information as shown in the exhibit. (Click the Exhibit button.)

You need to find out why outbound calls are failing.
Which two event IDs should you investigate? (Each correct answer presents a complete solution. Choose two.)

A) 46026
B) 46009
C) 46027
D) 44009

5. HOTSPOT You support Microsoft Lync Server 2013 servers in your customer's company network. You plan to configure Extensible Messaging and Presence Protocol (XMPP) federation with an instant messaging partner. The XMPP federated partner supports only:
-Unencrypted Transmission Control Protocol (TCP) connections for server-to-server XMPP federation and -Server Dialback for identity verification.
You need to configure the negotiation settings for the XMPP federated partner.
Which options should you configure for each negotiation method? (To answer,
configure the appropriate options in the dialog box in the answer area.)

Solutions: