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Microsoft Lync 2013 Depth Support Engineer Sample Questions:

1. DRAG DROP You support Microsoft Lync Server 2013 servers in your customer's company network.
All computers in the network are members of an Active Directory Domain Services (AD DS) domain named corp.contoso.com.
The Session Initiation Protocol (SIP) domain name is contoso.com. You configure the Autodiscover service to support external mobile device users. Mobile device users running Windows Phone or Apple iOS report that they are unable to sign in to the Lync Mobile Client. You verify that you are able to
-Establish a telnet session from an external computer to host lyncdiscover.contoso.com on port 80.
-Sign in to Lync by manually entering the URL https://lync.contoso.com/Autodiscover/autodiscoverservice.svc/Root. You need to ensure that external users running Windows Phone or Apple iOS are able to automatically sign in to Lync. Which three steps should you perform in sequence? (To answer, move the appropriate three actions from the list of actions to the answer area and arrange them in the correct order.)

2. 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 46, and configure the policy to use ports 40803:49151.
C) Create a group policy, assign a Differentiated Services Code Point (DSCP) value of 34, and configure the policy to use ports 57500:58500.
D) Create a group policy, assign a Differentiated Services Code Point (DSCP) value of 24, and configure the policy to use ports 40803:49151.

3. DRAG DROP
You support a customer whose network environment includes Microsoft Lync Server 2013. Your environment is connected to a third-party network that is supported as a peer IP Private Branch Exchange (PBX) by using direct Session Initiation Protocol (SIP). Both environments are configured properly, and call routing is functional within the two domains.
Media Bypass is configured. Protocols used to specify quality of service (QoS) feedback, synchronization between media streams, and Secure Real-time Transport Protocol (SRTP) are not supported. Users report that they experience poor audio quality when calling public switched telephone network (PSTN) numbers. You need to improve call quality when calling PSTN numbers. Which PowerShell cmdlet should you use with each parameter? (To answer, drag the appropriate cmdlet to the correct parameter or parameters. Each cmdlet may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.)

4. 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) TCP port 443
B) TCP port 4443
C) UDP port 3478
D) TCP port 8057
E) TCP port 5061

5. HOTSPOT Your customer supports a Microsoft Lync Server 2013 environment. Users are unable to add a federated user to an AV conference. The affected users can view the federated user's presence, and the internal users' External Access Policy is configured to allow communication with federated users. You attempt to initiate a Telnet session to TCP port 5062 from your Lync Server 2013 Front End Server to your Lync Server 2013 Edge Server's internal interface, but you receive an error message that includes "Could not open a connection to the host, on port 5062: Connect failed." You decide to work with the network team to ensure that the Lync Server 2013 environment has the appropriate connectivity to ensure media path negotiation and media flow between the front end server and the Edge server. You need to ensure that users are able to add federated users to an AV conference. Which network ports should you confirm are open on the Lync Server 2013 Front End Server and on the Lync Server 2013 Edge Server? To answer, select the appropriate server or servers for each port in the answer area.

Solutions: