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Microsoft 74-338 Exam Syllabus Topics:

Microsoft Lync 2013 Depth Support Engineer Sample Questions:

Question 1

You support a customer whose Microsoft Lync Server 2013 environment consists of:
-A single Lync Server 2013 Standard Edition pool that is located in a main office, and
-Four branch offices that are connected by a 3MB dedicated wide area network (WAN) link, each of which has 100 users.
Users in the branch offices report poor quality audio during conferences that are hosted on Lync. The client has taken the following steps:
-Implement Quality of Service (QoS) and Call Admission Control (CAC).
-Provision policy-based QoS for your Lync media traffic.
-Enable CAC from the Lync Server 2013 Control Panel.
-Define the main office and each branch office as a site and associate its subnets.
-Poor audio quality persists.
You ask your customer to provide the output of running the Get-CsNetworkSite
cmdlet. The relevant portion of the results includes:

You need to improve the audio quality in your environment. What should you do?

A. Create a region route to route network traffic between the Lync network sites that you created.
B. Create a bandwidth policy profile with an Audio Session Limit of 40 Kbps and an Audio Limit of 1 MB and assign the profile to each branch site.
C. Create a bandwidth policy profile with an Audio Session Limit of 40 Kbps and an Audio Limit of 3 MB and assign the profile to each branch site.
D. Create a bandwidth policy profile with an Audio Session Limit of 40 Kbps and assign the profile to the central site.

Question 2

You support Microsoft Lync Server 2013 servers in your customer's network. The network includes two branches connected with a 10Mbps network circuit. The circuit has 2 Mbps of dedicated bandwidth for Lync voice traffic. RT Audio WB codec with 50 simultaneous calls is used.
Users report that calls between the branches are being dropped, and voice quality is degraded. You need to calculate a bandwidth for the RT Audio WB codec. What minimum required dedicated bandwidth should you allocate?

A. 34 Mbps
B. 3.5 Mbps
C. 2.5 Mbps
D. 3 Mbps

Question 3

You deploy a Microsoft Lync Server 2013 Enterprise Pool that is configured with Enterprise Voice and Dial-in Conferencing. All client computers run Windows 7 or Windows 8. All domain users report that they are unable to use application sharing while they are attending conferences. Voice and dial-in conferencing function as expected. You need to ensure that domain users are able to share applications while they are attending conferences. You need to achieve this goal with the least amount of administrative effort. What should you do?

A. Modify the global policy that enables participants to allow desktop and application sharing.
B. Create a user policy that enables participants to allow desktop and application sharing.
C. Modify the global policy and enable the Allow federated and anonymous participant to take control option.
D. Modify the global policy that allows federated and anonymous participant to download content.

Question 4

You deploy Microsoft Lync Server 2013 Enterprise Edition and create a pool named Lync2013pool.Contoso.local. You configure the Lync admin URL to be admin.contoso.local. The Front End and Back End roles are installed on servers named FE2013 and BE2013.

You attempt to open the Lync Server Control Panel and you receive an error message. You need to be able to open the Lync Server Control Panel. Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)

A. Create the following DNS A record: lyncdiscoverinternal.contoso.local A 192.168.10.10
B. Create the following DNS A record: Meet.contoso.local A 192.168.10.10
C. Create the following DNS SRV record: _sipinternal._tcp.contoso.local SRV priority 0, weight 0, port 5061 lync2013pool.contoso.local
D. Create the following DNS A record:lync2013pool.contoso.local A 192.168.10.10
E. Create the following DNS A record: admin.contoso.local A 192.163.10.10

Question 5

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 5061
C. TCP port 8057
D. TCP port 443
E. TCP port 4443

Solutions: