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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) HybridVoice
B) incomingAndOutgoingCall
C) LYSSAndUCS
D) MediaConnectivity

2. You support a Microsoft Lync Server 2013 environment that consists of one Enterprise pool on a Front End Server Internal and external users cannot join online meetings using the Lync 2013 Lync Web App. The same users are able to join online meetings by using the Lync 2013 client. You need to diagnose the cause of the meeting join issues. Which cmdlet should you run from the Lync Server Management Shell?

A) Test-CsAsConference
B) Test-CsUcwaConference
C) Test-CsMcxConference
D) Set-CsWebService, with the AllowAnonymousAccessToLWAConference parameter

3. You administer Microsoft Lync Server 2013 clients and servers in your customer's
network. All client computers run Windows 8 Enterprise and Microsoft Lync 2013.
The computers are members of an Active Directory Domain Services (AD DS)
domain named contoso.com. A user installs the Lync Windows Store App on his
computer. He reports that he is unable to sign in to the Lync Windows Store App.
The same user can successfully sign in by using Lync 2013. You need to diagnose
the reason for the failure. What should you do?

A) Run nslookup against the internal DNS server.
B) Open a Telnet session to the Lync server.
C) Run nslookup against an external DNS server.
D) Flush the DNS cache on the client computer.

4. Your network environment includes Microsoft Lync Server 2013. You configure a Session Initiation Protocol (SIP) trunk to point to a Lync Mediation Server from an internet service provider (ISP). Media bypass is disabled. You attempt to forward calls to a mobile phone and receive the following message: "Cannot complete the transfer." You need to be able to forward calls to mobile phones. Which cmdlet should you use?

A) Set-CsTrunkConfiguration -EnableSessionTimer $True
B) Set-CsTrunkConfiguration -RTCPActiveCalls $True
C) Set-CsTrunkConfiguration -EnableReferSupport $False
D) Set-CsTrunkConfiguration -EnableBypass $True

5. 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 assign the profile to the central 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 an Audio Limit of 3 MB and assign the profile to each branch site.

Solutions: