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Microsoft Lync 2013 Depth Support Engineer Sample Questions:

1. You support a customer who administers Microsoft Lync Server 2013 Enterprise servers in his company. The pool named lync.contoso.com is configured with the session initiation protocol (SIP) domain contoso.com.
Users who are running Lync Mobile on their mobile devices report that when they attempt to retrieve calendar information, they receive an error that references a Microsoft Exchange Web Services connectivity issue. You need to ensure that users are able to receive calendar information from Lync Mobile devices. What should you do?

A) Reconfigure Dynamic Host Configuration Protocol (DHCP) option 43 to point to EnterpriseCA.contoso.local.
B) Create the following service record in DNS: _lyncdiscover._ccp.contoso.com SRV Priority 0, weight 0, port 5061, Lync.contoso.com
C) Reconfigure Dynamic Host Configuration Protocol (DHCP) option 120 to point to DC1.contoso.local.
D) Create the following host record in DNS: Autodiscover.contosc.com A 192,168.10.4

2. 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 3 MB and assign the profile to each branch site.
C) Create a bandwidth policy profile with an Audio Session Limit of 40 Kbps and assign the profile to the central site.
D) 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.

3. You support a customer whose network environment includes Microsoft Lync Server 2013 and Lync Phone Edition devices.
Quality of Service (QoS) configuration has been changed recently and users report voice quality issues when they use Lync Phone Edition devices. You need to configure QoS for voice traffic to match the default QoS configuration of the Lync Phone Edition devices. What should you do?

A) Set the Voice 8021p value to 0.
B) Set the Voice 8021p value to 40.
C) Set the VoiceDiffServTag value to 40.
D) Set the VoiceDiffServTag value to 0.

4. You support a customer whose network environment includes Microsoft Lync Server 2013 deployed at two sites. Each site has 1 Mbps of available bandwidth on a multiprotocol label switching (MPLS) network. Lync-to-Lync calls are getting dropped, and voice quality is degraded using RT Audio WB codec with 100 simultaneous calls. Call admission control (CAC) is not being used. You need to ensure that the RT Audio WB codec is maintained for Lync voice communication without over-allocating- What is the minimum amount of bandwidth you should specify for each site?

A) 3 Mbps
B) 6 Mbps
C) 12 Mbps
D) 2 Mbps

5. You support a customer whose Microsoft Lync Server 2013 environment includes:
-a single Standard Edition Server,
-a single consolidated Edge Server, and
-a single Forefront Threat Management Gateway 2010 server that is acting as an HTTP(S) reverse proxy.
Client computers are configured as shown in the following table:

Some users report that they are unable to participate in audio/video conferences by using the Lync Web App. You need to ensure that users are able to participate in audio/video conferences by using the Lync Web App. Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)

A) Upgrade the operating system to Windows 7 Professional.
B) Install the Lync Audio/Video ActiveX Plugin.
C) Extract the MSI from the executable and run the install.
D) Install Microsoft Silverlight.

Solutions: