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Microsoft 74-338 Exam Syllabus Topics:

Microsoft Lync 2013 Depth Support Engineer Sample Questions:

1. You support a customer whose Microsoft Lync Server 2013 environment includes a single Lync Server 2013 Standard Edition pool located in a main office and four branch offices that are connected by a 3MB dedicated wide area network (WAN) link, with 100 users in each office. The Lync client's IP address is 10.0.0.100. The Lync IP server's address is 192.168.255.2. Quality of Service (QoS) is configured in Lync server for voice to use the differentiated services code point (DSCP) with a value of 46.
Users in the branch offices report poor audio quality during conferences that are hosted on Lync. The results of a network trace include the following information: Based on the network trace, you need to identify the most likely cause of the call quality issues. Which setting should you modify?

A) Geo IP
B) MTU
C) STUN port
D) DSCP value

2. You support a customer whose network environment includes Microsoft Lync Server 2013. A firewall filters all inbound traffic from the Internet. All outbound IP traffic is permitted. Users report voice quality problems when they attempt to communicate with external participants. You need to ensure that Lync users are able to communicate with external participants. Which two ports should you open on the firewall? (Each correct answer presents part of the solution. Choose two.)

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

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

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. DRAG DROP You support a customer who
is deploying Microsoft Lync
Server 2013. The customer has completed deployment of the following components:
-A Lync Standard Edition Server,
-A Lync Edge Server,
-A media gateway connected to a Tl trunk,
-Appropriate rules for reverse proxy, and
-An Office Web App server with Microsoft SharePoint 2012.
Neither federation nor external access is enabled.
The customer installs a number of Lync 2013 clients on pilot user computers that are located inside their network. No one is able to access the Lync server from outside the network.
The pilot users report the following issues:
-When they make calls to local numbers, the calls do not work. An announcement states that they must not dial 1 to make a local call.
-When they make calls to long distance numbers, the calls connect, but the other end user reports that the caller's number does not appear correctly.
-When they receive long distance calls from outside, the caller ID information displayed in Lync does not match the caller's contact information.
You need to ensure that users in the customer's network can successfully have calls with users outside the network. You open the Voice Routing tab on the Lync
Server Control Panel as shown in the exhibit. (Click the Exhibit button.)

Which area should you look in to investigate each issue? (To answer, drag the appropriate voice routing area to the correct issue investigation or investigations. Each voice routing area may be used once or not at all. You may need to drag the split bar between panes or scroll to view content.)

Solutions: