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Microsoft Lync 2013 Depth Support Engineer Sample Questions:

1. You support a Microsoft Lync Server 2013 on-premise environment that includes the following:
-An Enterprise Edition Front End Pool with three Front End Servers
-A mirrored back-end SQL database
-Both the Front End Pool and Edge Pool use hardware load balancers (HLBs)
-An Edge Server pool with two servers in perimeter network The Lync environment supports 10,000 users in High Availability mode. Some users report that they are unable to make outbound calls to specific public switched telephone network (PSTN) numbers. When they attempt to do so, the call appears to be connected but then drops with a reorder tone, and then they receive the following error message: "Due to network error your call cannot be completed at this time. Please try your call again." You need to troubleshoot the issue. Which centralized logging scenario should you use?

A) LYSSAndUCS
B) MediaConnectivity
C) incomingAndOutgoingCall
D) HybridVoice

2. You support a customer whose network environment includes Microsoft Lync Server 2013 Enterprise Voice deployed at two sites named Sitel and 5ite2. All users require extension dialing. Only direct inward dialing will be used for auto attendants or response groups. The extension numbers in four-digit format are
stored in the telephoneNumber attribute on the users' Active Directory Domain Services (AD DS) account. Sitel uses 2xxx extensions, and Site2 uses 3xxx extensions. You want to retain the four-digit extensions in Active Directory, but also present the numbers as valid numbers in the Lync 2013 client. You need to ensure that four-digit dialing normalizes properly in the address book for Lync. What should you do?

A) Modify the Company_Phone_Number_Normalization_Rules.txt file and add the following rules: ^(2\d{3})$ -- +15197778888;ext=$1^(3\d{3})$ -- +14163334444;ext=$1
B) Use absconfig.exe from the Lync Resource Kit and change the flag of telephoneNumber to be included in the address book generation.
C) Modify the Company_Phone_Number_Normalization_Rules.txt file and add the following rules: ^(2d\{3})$ -- +15197778888;ext=$1^(3d\{3})$ -- +14163334444;ext=$1
D) In the Lync Control Panel, under voice routing and dial plan, modify the global dial plan to add the following rules: ^(2\d{3})$ --+15197778888;ext=$1^(3\d{3})$ -- +14163334444;ext=$1

3. You support a Microsoft Lync Server 2013 environment with open federation for a company named Contoso. Contoso's perimeter network topology is shown in the exhibit. (Click the Exhibit button.)

The public certificates on the external interfaces of the Lync Edge and Reverse Proxy are as follows:

You receive a support ticket that audio calls to federated partners that also use Lync Server 2013 are not working. You need to correct the issue of the failed audio calls. What should you do?

A) Open the inbound and outbound UDP port 3478 on the external firewall to the AV Edge Service External IP address.
B) Add "contoso.com" as a subject alternative name to the public certificate on the reverse proxy external interface.
C) Add "lyncdiscover.contoso.com" as a subject alternative name to the public certificate on the reverse proxy external interface.
D) Open the inbound and outbound UDP port 5061 on the external firewall to the Access Edge Service External IP address.
E) Open the inbound and outbound UDP and TCP port range 50000-59999 on the external firewall to the AV Edge Service External IP address.

4. 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.

5. DRAG DROP You support Microsoft Lync Server 2013 servers for an international company. The main office is located in New York and the datacenter is located in Seattle. All users in the New York office are using virtual desktops running on servers that are located in the Seattle datacenter. You enable and configure the Enhanced 9-1-1 (E9-1-1) emergency notification feature for the main office users. Users report that the Lync client always displays Seattle as their location. You need to ensure that Lync clients for users in the main office display their location accurately. Which four steps should you perform in sequence? (To answer, move the appropriate four actions from the list of actions to the answer area and arrange them in the correct order.)

Solutions: