Exam 70-337 Enterprise Voice & Online Services with Microsoft Lync Server 2013

Exam 70-337
Enterprise Voice & Online Services with Microsoft Lync Server 2013

Published: 06 November 2012
Languages: English, Japanese
Audiences: IT professionals
Technology: Microsoft Lync Server 2013
Credit towards certification: MCP, MCSE

Skills measured
This exam measures your ability to accomplish the technical tasks listed below. The percentages indicate the relative weight of each major topic area in the exam. The higher the percentage, the more questions you are likely to see on that content area in the exam.

Please note that the questions may test on, but will not be limited to, the topics described in the bulleted text.

Design Enterprise Voice (27%)

Design Enterprise Voice topology

Design mediation server collocation or placement, gateways, trunks, voice resiliency, mediation server dependencies, and voice usage and traffic

Design call routing

Design dial plans, routes, normalisation, voice policies, basic emergency dialling and notification, and PSTN usages

Design voice interoperability to PSTN

Define SIP trunk capacity requirements; design multiple media gateway support, trunk configuration; define outbound translation rules, inbound dial plan; qualify technology options from UCOIP

Design voice applications

Design call park, response group delegation model, response group workflows; determine correct usage of private line and vacant number announcements

Design unified messaging

Design UM dial plans, normalisation rules, UM auto-attendant, subscriber access, UM outbound dialling, and UM placement and capacity

Preparation resources

Planning for Enterprise Voice
Enterprise Voice and Online Services with Lync Server 2013: (03) Designing Exchange Server 2013 unified messaging integration
Guidelines for integrating on-premises unified messaging and Lync Server 2013

Design and configure network services (26%)

Design for network optimisation

Assess network requirements; plan for optimal conferencing traffic, capacity, Edge placement, QOS support; estimate network usage

Plan network services for Lync

Plan Location Information Services (LIS), Call Admission Control (CAC) for voice, Call Admission Control (CAC) for video; define port requirements for internal and external services; plan for Media Bypass

Configure network services for Lync

Configure Location Information Services (LIS), Call Admission Control (CAC) for voice, Call Admission Control (CAC) for video, DHCP for phone edition, QOS, and media bypass

Preparation resources

Network infrastructure requirements
Network planning for Lync Server
Enterprise Voice and Online Services with Lync Server 2013: (07a) Networking, Part 1

Configure Enterprise Voice (26%)

Configure voice applications

Configure call park, Response Group workflows, Response Group queues, private line, and vacant number announcements

Configure call routing

Configure dial plans, routes, trunks; apply voice policies, PSTN usages, and emergency dialling

Configure unified messaging for Lync

Configure UM dial plans, the normalisation rules, UM auto-attendant, subscriber access, and call answering rules

Preparation resources

Deploying Enterprise Voice
Microsoft Lync Server 2013 dial plan and voice routing deep dive
Enterprise Voice and Online Services with Lync Server 2013: (02) Configuring basic Enterprise Voice functionality

Plan and configure a Lync Online hybrid solution (21%)

Plan Lync Online hybrid solution

Plan for Lync Online hybrid dependencies, SIP namespace, corporate access to Lync Online, and capacity (network and Lync Online service); configure Edge server for federation with Lync Online; analyse business and user requirements

Migrate to Lync Online
Configure clients for Lync Online; enable or move users to Lync Online; create a hybrid voice dial plan; migrate user settings to Lync Online; administer Lync Online native and Lync Online hybrid

Diagnose connectivity in a Lync Online hybrid environment
Confirm DNS records; choose test CMDLETs; analyse signalling and media call flow; validate connectivity; use Microsoft Online Services Diagnostics and Logging Support Toolkit

Administer online UM
Configure DNS Records; configure Edge Server for integration; create and configure UM dial plan; manage and assign Hosted Voice Mail policies; enable users for Hosted Voice Mail; create Contact Objects for Hosted Voice Mail

Preparation resources
Planning for Lync Server 2013 hybrid deployments
Steps to prepare and deploy Lync Server 2013 hybrid environment
Move users to Lync Online

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QUESTION 1
You have an Active Directory domain named contoso.com. Your company has a Microsoft Office
365 subscription. Twenty users are enabled for Microsoft Lync Online. The users frequently travel.
The users report that they receive the following error message when they attempt to sign in to
Microsoft Lync from the office:
“Cannot sign in because the server is temporarily unavailable. If the problem continues, please
contact your support team.”
You verify that the users can sign in to Lync when they connect from the Internet. You need to
ensure that all of the users can sign in to Lync. Which alias (CNAME) record should you create in
the internal DNS domain?
To answer, select the appropriate record name and the appropriate record target in the answer
area.

Hot Area:

Answer:

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QUESTION 2
Your network contains the servers shown in the following table. You configure the infrastructure
to use hosted Exchange Unified Messaging (UM). You need to create a new contact object for the
hosted UM auto attendant. What should you do?

A. From Server1, run ocsumutil.exe.
B. From Server3, run the exchucutil.ps1 script.
C. From Server3, run the New-MailContact cmdlet.
D. From Server1, run the New-CsExUmContact cmdlet.

Answer: D

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QUESTION 3
You purchase a Microsoft Office 365 subscription and configure the pilot users to use the
@contoso.onmicrosoft.com UPN suffix. You need to ensure that the pilot users can perform the
following actions:
? Join meetings.
? Use a SIP address that has the @online.contoso.com suffix.
? Communicate with users who are hosted on Lync Server 2013.
Which three tasks should you perform? (Each correct answer presents part of the solution. Choose
three.)

A. From the Lync Online Control Panel, set up federation to contoso.com.
B. From the Lync Server Control Panel, set up federation to online.contoso.com.
C. From the Lync Server Control Panel, set up federation to contoso.onmicrosoft.com.
D. From the Lync Server Control Panel, update the user SIP addresses of the users to
@online.contoso.com.
E. From the Lync Online Control Panel, update the SIP addresses of the users to
@online.contoso.com.

Answer: ABE

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QUESTION 4
Your company has a Microsoft Office 365 subscription and uses Microsoft Lync Online. After a long
network outage, some users reports that they cannot sign in to the Microsoft Lync client and they
receive the following error message:
“Cannot sign in to Lync. You may have entered your sign-in address, user name, or password
incorrectly, or the authentication service may be incompatible with this version of the program. If
your sign-in information is correct and the problem persists, please contact your system
administrator.”
You confirm that other users can sign in successfully. You need to ensure that all of the users can
sign in to Lync Online. Which file should you delete on the users’ client computer?
To answer, select the appropriate file in the answer area.
Hot Area:

Answer:

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QUESTION 5
Your company has a Microsoft Office 365 subscription. The company uses Microsoft Lync Online.
You need to ensure that Lync Online users can use dial-in conferencing. The solution must minimize
costs. What should you do?

A. Deploy an Edge Server and add a hosting provider to the server.
B. Deploy an Edge Server and configure the A/V Edge service on the server.
C. Deploy an A/V Conferencing pool.
D. Set up an account with a third-party audio conferencing provider.

Answer: D