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Exam Code: 70-337
Exam Name: Enterprise Voice & Online Services with Microsoft Lync Server 2013
Certification Provider: Microsoft
Corresponding Certifications: MCSE, MCSE: Communication

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QUESTION 31
Hotspot Question
You have a Lync Server 2013 infrastructure.
You plan to configure Exchange Online to host voice mail.
You need to identify where to perform the following actions:
– Configure the hosted voice mail policy.
– Set the external access number for the voice mail.
– Enable a user for Unified Messaging (UM).
– Configure the Contact object used for the hosted voice mail.
– Define a Unified Messaging (UM) IP gateway.
Which environment should you identify for each action? To answer, select the appropriate environment for each task in the answer area.

Answer:

Explanation:
Note:
Lync Server 2010 on-premises supports interoperability with Exchange Online in the following ways:
Calendar data and Out of Office messages
Instant Messaging (IM) and presence interoperability in Outlook Web App Voice mail interoperability

QUESTION 32
Hotspot Question
You are evaluating the use of Microsoft Lync Online and Lync Server 2013.
Your company has a sales department, a marketing department, and a research department. Each department gives you a list of required features as shown in the following table.

You need to identify which type of Lync deployment can be used for each department.
What should you identify? To answer, select the valid type of Lync deployments for each department in the answer area.

Answer:

Explanation:
Note:
– Lync Online
Connect with others through instant messaging (IM), video calls, online meetings, and phone calls.
Features
Get real-time presence information–including photos, availability status, and location–and enhanced instant messaging (IM) to connect efficiently and effectively. Make voice calls through your computer to other Lync users in your organization or in other organizations that use Lync.
Create, moderate, and join pre-planned and on-the-fly audio, video, and web meetings with people inside and outside your organization.
Enhance online presentations with screen-sharing and virtual whiteboards.
Let customers participate in your Lync conference calls even if they are not Office 365 customers.
Make and receive calls to any phone number via partner calling service with Lync-to-phone

QUESTION 33
Drag and Drop Question
You have a Microsoft Office 365 subscription.
Microsoft Lync Online is enabled for all users.
You need to identify which tools must be used to perform the following actions:
– View the Microsoft Lync client tracing logs.
– Verify the DNS records for the Lync Online mobile clients.
– Test the connection quality to the Lync Online data center.
– Collect the client system configurations and the application configurations.
Which tools should you identify? To answer, drag the appropriate tools to the correct actions in the answer area. Each tool may be used once, more than once, or not at all. Additionally, you may need to drag the split bar between panes or scroll to view content.

Answer:

Explanation:
– Lync Online – Transport Reliability IP Probe (TRIPP Tool) This reliability tool tests your Internet connection to a Microsoft Lync Online Service data center and measures the response times, bandwidth, allowed ports, route taken, and overall connection quality with respect to Real Time Media. The results can help you evaluate your network configuration for potential use with the Microsoft Lync Online Service. This tool does not engage any of the offerings from Microsoft Lync Online Service.
– Microsoft Office Communications Server Remote Connectivity Analyzer
The Office Communications Server Remote Connectivity Analyzer is a great tool for performing testing, troubleshooting, and diagnostics on Communications Server 2007 and Communications
Server 2007 R2 deployments, and should server as your initial stop when attempting to troubleshoot a Communications Server Edge Server connectivity issue.
The Office Communications Server Remote Connectivity Analyzer is a web site that Communications Server administrators can use to validate and diagnose end-to-end Communications Server scenarios. The site simulates multiple Office Communications Server client access scenarios from outside the customer’s infrastructure and reports whether the test was successful. If the test fails, the tool informs you exactly where in the process the test failed, as well as provides troubleshooting tips about resolving the issue.
– The Microsoft Online Services Diagnostics and Logging (MOSDAL) Support Toolkit performs network diagnostics and collects system configuration, network configuration, and logging information for applications that are used to connect to Microsoft Business Productivity Online Standard Suite (BPOS-S) or to Microsoft Office 365. The logs and diagnostic information that the tool generates provide data that helps technical support professionals troubleshoot configuration, network, installation, and other service-related issues. The MOSDAL Support Toolkit collects log files, registry keys, and configuration settings that would otherwise require time-consuming and labor- intensive collection by using separate tools.

QUESTION 34
You have a Lync Server 2013 infrastructure.
You plan to deploy E911 services.
You configure Lync Server to require that each user has a location.
You configure a location for each subnet. Users report that when they sign in to Microsoft Lync 2013 on the internal network, they are prompted for their location information.
You need to prevent the users from being prompted for their location information when they sign in to Lync on the internal network.
Which cmdlet should you run?

A.    Publish-CsLISConfiguration
B.    Export-CsLISconfiguration
C.    Publish-CsTopology
D.    Set-CsNetworkSubnet

Answer: A

QUESTION 35
Drag and Drop Question
Your company has two main offices.
The office are configured as shown in the exhibit. (Click the Exhibit button.)

You need to recommend which Lync Server 2013 roles must be deployed to meet the following requirements:
– Remote users must have access to the Lync Server infrastructure.
– Users must be able to place calls to the PSTN if a trunk fails.
– Federation with a business partner must be enabled.
– The amount of WAN traffic must be minimized.
Which roles should you recommend? To answer, drag the appropriate roles to the correct offices in the answer area. Each role may be used once, more than once, or not at all. Additionally, you may need to drag the split bar between panes or scroll to view content.

Answer:

Explanation:
Note:
– In Lync Server Enterprise Edition, the Front End Server is the core server role, and runs many basic Lync Server functions. The Front End Server, along with the Back End Servers, are the only server roles required to be in any Lync Server Enterprise Edition deployment. A Front End pool is a set of Front End Servers, configured identically, that work together to provide services for a common group of users.
– Edge Server or Edge pool in your perimeter network, if you want your deployment to support federated partners, public IM connectivity, an extensible messaging and presence protocol (XMPP) gateway, remote user access, participation of anonymous users in meetings, or Exchange Unified Messaging (UM).
– Mediation Server is a necessary component for implementing Enterprise Voice and dial-in conferencing. Mediation Server translates signaling, and, in some configurations, media between your internal Lync Server infrastructure and a public switched telephone network (PSTN) gateway, IP-PBX, or a Session Initiation Protocol (SIP) trunk. You can run Mediation Server collocated on the same server as Front End Server, or separated into a stand-alone Mediation Server pool.
– Directors can authenticate Lync Server user requests, but they do not home user accounts or provide presence or conferencing services. Directors are most useful to enhance security in deployments that enable external user access. The Director can authenticate requests before sending them on to internal servers. In the case of a denial-of-service attack, the attack ends with the Director and does not reach the Front End servers.
– We recommend that you deploy a Director or Director pool in each central site that supports external user access and in each central site in which you deploy one or more Front End pools.
– We recommend that you deploy a Director or Director pool in each central site that supports external user access and in each central site in which you deploy one or more Front End pools.
– To enable support for XMPP federation, the Edge Federation must be enabled.
Reference: Lync Server 2013, Server Roles

QUESTION 36
Your company has four offices.
The offices are configured as shown in the exhibit. (Click the Exhibit button.)
You have a Lync Server 2013 infrastructure that has the following configurations:
– Two regions named EMEA and US. The Paris, Berlin, and Amsterdam offices are assigned to EMEA. The Seattle office is assigned to US.
– A bandwidth policy named Policyl that has a limit of 1,024 kilobits per second (Kbps) for audio and video.
– A bandwidth policy named Policy2 that has a limit of 2,048 Kbps for audio and video.
You need to configure Call Admission Control (CAC) to meet the following requirements:
– Limit the Lync Server-related WAN traffic between the Seattle and Amsterdam offices to 2,048 Kbps.
– In the Paris office, limit the Lync Server-related WAN traffic for audio to 1,024 Kbps and limit the Lync Server-related WAN traffic for video to 1,024 Kbps.
Which three actions should you perform? (Each correct answer presents part of the solution. Choose three.)

A.    Create a region link and assign Policy2 to the region link.
B.    Modify region EMEA and region US to enable an Audio/Video alternate path.
C.    Assign Policy1 to the network in the Paris office.
D.    Assign Policy2 to the network in the Amsterdam office,
E.    Create a region route.
F.    Assign Policy2 to the network in the Seattle office.

Answer: ACE
Explanation:
http://lync70337.freeforums.org/post140.html

QUESTION 37
Hotspot Question
Your network has a perimeter network and an internal network.
A firewall named Firewalll separates the perimeter network from the Internet.
A firewall named Firewall2 separates the internal network from the perimeter network.
You have a Lync Server 2013 infrastructure that contains an Edge Server and a reverse proxy server in the perimeter network.
You plan to deploy XMPP federation.
You need to identify which firewall rules must be created for the planned deployment.
Which rule should you identify for each firewall? To answer, configure the appropriate rules in the dialog box in the answer area.

Answer:

Explanation:
http://technet.microsoft.com/en-us/library/gg425891.aspx
Note:
– If you plan to support the extensible messaging and presence protocol (XMPP) for your deployment, select the Enable XMPP federation (port 5269) check box (for the external edge server interface).
– The number 5269 and 23456 that is passed to findstr as a parameter instructs findstr to search the output of netstat for the strings 5269 and 23456. If XMPP is correctly configured, the result of the commands should result in listening and established connections, both on the external (port 5269) and the internal (port 23456) interfaces of the Edge Server.
Reference: Setting Up XMPP Federation

QUESTION 38
Hotspot Question
Your company has two offices.
One office is located in New York.
The other office is located in Seattle.
The offices contain five subnets.
The subnets are configured as shown in the following table.

You have a Lync Server 2013 infrastructure.
All client computers have Microsoft Lync 2013 deployed.
You plan to deploy Call Admission Control (CAC).
You need to identify which network topology must be deployed for the planned deployment.
The solution must ensure that different bandwidth policies can be applied to each floor of each office.
What is the minimum number of required regions, sites, and subnets? To answer, select the appropriate number of regions, sites, and subnets in the answer area.

Answer:

QUESTION 39
You have a Microsoft Exchange Server 2010 Service Pack 2 (SP2) organization and a Lync Server 2013 infrastructure.
You need to design a Unified Messaging (UM) solution to meet the following requirements:
– Support a peak concurrency of 500 calls.
– Connect to two Lync Server 2013 pools.
What is the minimum number of UM servers required?

A.    1
B.    2
C.    3
D.    5

Answer: C
Explanation:
http://technet.microsoft.com/en-us/library/aa997637(v=exchg.141).aspx
http://technet.microsoft.com/en-us/library/ee332331(v=exchg.141).aspx

QUESTION 40
Your company has a Lync Server 2013 infrastructure that contains four servers.
The servers are configured as shown in the following table.
The Lync Server infrastructure contains a hardware load balancer named HLB1.
The company has an IP-PBX.
The IP PBX does not support media bypass.
The IP-PBX has a SIP trunk configured.
Each user has a desktop phone that connects to the IP-PBX.
Each laptop user has a Lync-certified headset.
The company plans to implement Enterprise Voice and to relocate the SIP trunks to the Lync Server infrastructure.
You need to recommend a Mediation Server deployment to meet the following requirements:
– Internal users must be able to place outbound calls from their desktop phone if a single server fails.
– Remote users must be able to place calls to any desktop phone if a single server fails.
– The degradation of call quality must be minimized during peak usage hours.
What should you recommend?

A.    Install the Mediation Server role on Server3 and Server4.
B.    Install the Mediation Server role on Server1 and Server2.
C.    Create a Mediation Server pool that contains two new servers.
D.    Create a Mediation Server pool that contains HLB1 and one new server.

Answer: C

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