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Microsoft Lync 2013 Depth Support Engineer Sample Questions:

1. You support a customer whose network environment includes 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. You configure the following group policies to apply Quality of Service (QoS) for audio and video to the organizational unit (OU) that contains the Lync 2013 Conferencing servers:
-Audio: DSCP port 46 and port range: 57000:59152
-Video: DSCP port 34 and port range: 60501:65535
You need to create a QoS for Application Sharing. What should you do?

A) Create a group policy, assign a Differentiated Services Code Point (DSCP) value of 24, and configure the policy to use ports 57500:58500.
B) Create a group policy, assign a Differentiated Services Code Point (DSCP) value of 34, and configure the policy to use ports 57500:58500.
C) Create a group policy, assign a Differentiated Services Code Point (DSCP) value of 46, and configure the policy to use ports 40803:49151.
D) Create a group policy, assign a Differentiated Services Code Point (DSCP) value of 24, and configure the policy to use ports 40803:49151.

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 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.
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 region route to route network traffic between the Lync network sites that you created.
D) Create a bandwidth policy profile with an Audio Session Limit of 40 Kbps and assign the profile to the central site.

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

4. 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) Install Microsoft Silverlight.
D) Extract the MSI from the executable and run the install.

5. You support a Microsoft Lync Server 2013 Enterprise pool named Lync2013.contoso.local. The pool is configured
with two Session Initiation Protocol (SIP) domains named litware.com and fabrikam.com. The environment also includes the following:
-three Front End Servers named Lync2013FEl, Lync 2013FE2, and Lync2013FE3 -one Back End Server named Lync2013BE You plan to install a single Edge Server. You create an Edge pool named Lync2013Edge.contoso.local. You want to configure the following Edge services:
-Access Edge to use sip.fabrikam.com
-Web Conferencing to use conf.fabrikam.com You also want to enable the federated access feature. You need to assign internal and external certificates to the Lync 2013 Edge server. Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)

A) Request a certificate from a public certificate authority (CA) and include the names Lyncdiscoverexternal.fabrikam.com and sipfederation.fabrikam.com. Assign the certificate to internal and external interfaces of the Edge Server.
B) Request a private certificate from an internal certificate authority (CA) and include the name Lync2013Edge.contoso.local. Assign the certificate to internal interface of the Edge Server.
C) Request a wildcard certificate for *.contoso.local from an internal certificate authority (CA). Assign the certificate to internal and external interfaces of the Edge Server.
D) Request a certificate from a public certificate authority (CA) and include the names sip.fabrikam.com and sip.litware.com. Assign this certificate to the internal interface of Edge Server.
E) Request a certificate from a public certificate authority (CA) and include the names sip.fabrikam.com, sip.litware.com, and conf.fabrikam.com. Assign this certificate to the external interface of the Edge Server.

Solutions: