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Microsoft Lync Server 2010-Advanced Design and Deployment Sample Questions:

1. An organization runs Microsoft Lync Server 2010 and all users are enabled for Enterprise Voice. Exchange Server 2010 Unified Messaging (UM) is deployed to provide voice mail functionality to the end user. All users in the organization use the Lync 2010 client and Outlook 2010. A user calls voicemail from the Lync Client and the attempt is unsuccessful. The Exchange server log contains the error message: "The Unified Messaging server failed to exchange the required certificates with an EP gateway to enable Transport Layer Security (TLS) for an incoming call." Which action solves this problem?

A) Replace the certificate of the IP gateway.
B) Re-run the Exchange UM Integration utility OcsUmUtil.exe on the Lync Front End server.
C) Import the trusted certificate root chain to the Lync Client
D) Replace the Exchange Server Certificate.

2. An organization deployed a Microsoft Lync Server in its primary datacenter.
Many users work in branch offices and currently register to the FrontEnd Pool in the primary datacenter.
Branch office requirements:
Support 1200 users with heavy telephony and conferencing usage.
Minimize the impact on the branch office through poorly performing WAN connectivity.
Keep the costs as low as possible. Which option meets these requirements?

A) Deploy a Standard Edition Server with a collocated Mediation server and a separate PSTN gateway. Configure calls to and from the PSTN to use local PRIs.
B) Deploy a Survivable Branch server with a separate PSTN gateway. Configure calls to and from the PSTN to use local PRIs.
C) Deploy a Survivable Branch Appliance with a collocated PSTN gateway. Configure calls to and from the PSTN to use local PRIs.
D) Deploy a Survivable Branch server with a collocated Mediation server and a separate PSTN gateway. Configure calls to and from the PSTN to use local PRIs.

3. An administrator is deploying a Formal Response Group for the IT Helpdesk department. Some of the agents in the Response Group report that they are unable to receive calls, while others can. The members of the Response Group have different Active Directory (AD) group memberships and Privacy Mode configurations. How can an administrator ensure that the agents receive calls?

A) Create a unique AD Helpdesk Group, place all agents in it, and change the Response Group type to Informal.
B) Search for the RGS Presence Watcher Contacts and remove them from their Contact List.
C) Search for the RGS Presence Watcher Contacts and add them to their Contact List.
D) Create a unique AD Helpdesk Group, place all agents in it, and turn on Privacy Mode for all of them.

4. Contoso is implementing Quality of Service (QoS) and needs to ensure that packets are marked on the Lync servers and
computers according to these Contoso specifications:
Voice packets with 46 (decimal)
Video packets with 26 (decimal)
How does an administrator verify the DSCP
information above is correctly applied?

A) Use the Snooper tool to capture traffic and verify that the SIP Dialog contains the correct DSCP information.
B) Review the QoE report and verify the Content type field contains the correct DSCP information.
C) Use a network monitor to capture packets and verify that the SIP Dialog contains the correct DSCP information.
D) Use a network monitor to capture packets and verify the DSCP field contains the correct DSCP information.

5. Refer to the exhibit.

Contoso plans to deploy Microsoft Lync Server 2010. Contoso has two locations: Seattle (HQ) and Portland (Branch) connected via MPLS. The Seattle office will host the Lync infrastructure and has 100 users. The Portland office has 25 users. Once a month, Contoso has a company team meeting. Management wants this meeting to use Lync audio conferencing services. Users will join the meeting using their Lync clients. Users in the Portland office connect through a WiFi connection, which often induces packet loss. There is currently no budget to replace or upgrade this solution. What is the maximum
bandwidth required for the audio on the Portland MPLS circuit with a default conferencing configuration?

A) 3 Mbps
B) 6 Mbps
C) 4 Mbps
D) 1.5 Mbps

Solutions: