Microsoft Microsoft Lync Server 74-338

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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 Microsoft Lync Server 2013 with Enterprise Voice. Your customer enables centralized logging on the Lync servers. According to your customer, a user has reported that when she attempts to dial out to a public switched telephone network (PSTN) number, she receives the following message: "Your organization does not support calling this number." You confirm that the user is configured to use Enterprise voice and that other users are successfully making and receiving calls. Within the captured logs from the affected user, you view the following message: "SIP/2.0 403 Forbidden." The Microsoft Lync 2013 control panel displays the following information:

You need to ensure that the user is able to dial out to PSTN. What should you do?

A) Change the associated normalization rule in the dial plan policy to match: ^(\d(11))$, Translation pattern +$1.
B) Open port TCP/5061 inbound on the Mediation Server.
C) Contact the Session Initiation Protocol (SIP) provider.
D) Change the voice policy for this user to < North America > for PSTN usage association.

3. 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 8057
C) TCP port 5061
D) TCP port 4443
E) UDP port 3478

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

5. 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-CsMcxConference
C) Test-CsUcwaConference
D) Set-CsWebService, with the AllowAnonymousAccessToLWAConference parameter

Solutions:

Question # 1 Answer: Only visible for members

Question # 2 Answer: D

Question # 3 Answer: A,E

Question # 4 Answer: A

Question # 5 Answer: C