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    New Free Version Microsoft MCSE 70-337 Enterprise Voice & Online Services with Microsoft Lync Server 2013 Topic 2 [1-6]

    By admin | January 13, 2016

    Tagged with:

    Questions and Answers :108Q&As
    Exam Number/Code:70-337
    Exam Name:Core Enterprise Voice & Online Services with Microsoft Lync Server 2013

    Topic 2, Wingtip Toys
    Overview
    Wingtip Toys is a toy manufacturer and distributor in North America. The company has a main office and
    two branch offices. The main office is located in New York. The branch offices are located in Boston and
    Chicago.
    The number of users in each office is shown in the following table.

    image

    Existing Environment
    Network Infrastructure
    The network contains an Active Directory forest named wingtiptoys.com.
    The New York and Boston offices connect to each other by using a 100-megabit per second (Mbps) WAN
    link. The New York and Chicago offices connect to each other by using a 40-Mbps WAN link.
    Exchange Server Infrastructure
    The company has a Microsoft Exchange Server 2010 Service Pack 2 (SP2) organization. All of the users in the New York and Chicago offices have Exchange Server mailboxes. The users in the Boston offices do not have mailboxes.
    The Exchange Server organization contains two servers. The servers are configured as shown in the following table.

    image

    Lync Server 2010 Environment
    The company has a Lync Server 2010 infrastructure that contains four components. The components are configured as shown in the following table.

    image

    All of the New York and Chicago users use Lync services. The Boston users only use IP-PBX phones.
    Only the New York users are configured for on-premises Exchange Server Unified Messaging (UM).
    Voice Infrastructure

    The hardware components of the current voice infrastructure are configured as shown in the following table.

    image

    At any given time, a maximum of 25 percent of the users in the New York office are on the phone. A maximum of twenty percent of the calls are to the PSTN.
    Lync Online
    The company is evaluating Microsoft Lync Online.
    The company moves 20 Chicago users to a Lync Online subscription. The subscription is configured to use a SIP domain of tailspintoys.com.
    You did not implement directory synchronization or federation.
    User Issues
    Currently, all of the calls between the New York and Boston offices are routed through the PSTN.
    User Issues
    Currently, all of the calls between the New York and Boston offices are routed through the PSTN.
    The audio and video quality during web conferences between the Lync users in the Chicago and New
    York offices often is poor.
    Inbound and outbound PSTN calls from the New York office are not redundant. If a PSTN gateway fails, calls are not rerouted to another PSTN gateway.
    Requirements
    Planned Changes
    The company plans to implement the following changes:
    -Upgrade the Lync Server 2010 infrastructure to Lync Server 2013.
    -Pilot Lync Online for 100 users in the Chicago office.
    -Ensure that Lync Online users can find on-premises Lync users in the Lync Address Book.
    -Ensure that Lync on-premises users and Lync Online users can communicate with each other by using instant messaging (IM).
    Lync Server Requirements
    The company identifies the following Lync Server requirements:
    -Ensure that the New York users and the Boston users who have IP-PBX phones can call each other without using the PSTN.
    -Improve the audio and video quality during the web conferences between the Chicago users and the New York users.
    Unified Messaging Requirements
    The company identifies the following Unified Messaging requirements:
    -Pilot integrated voice mail in Microsoft Exchange Online for 100 New York users.
    -Configure all users to have a five-digit extension.
    -Ensure that users can retrieve their voice mail remotely by dialing +1 516 555 1212.
    -Ensure that callers can reach the company directory by dialing +1 516 555 1213.
    -Prevent users from receiving an email message when they miss a call.

    Business Requirements
    Three company executives require a second phone number for their existing Lync account. This second phone number must not appear in any Lync address books or contact lists generated from Active
    Directory.
    Any planned changes must minimize administrative and financial costs.
    Network Requirements
    You identify the following network requirements for the planned deployment of Lync Server 2013:
    -Limit the total bandwidth of all audio and video sessions from the Chicago office.
    -Reduce the network utilization of Mediation servers.
    -Prioritize Lync audio traffic on the network.
    Enterprise Voice Requirements
    Voice call routing in the New York office must be redundant. All outbound or inbound PSTN call routes must not depend on a single component.
    1.You implement synchronization between Active Directory and Microsoft Office 365.
    You need to recommend which tool is required to manage the phone numbers of the Exchange Online pilot users.
    What should you recommend?
    A. The Microsoft Online Services Module for Windows PowerShell
    B. The Office 365 Exchange Online Portal
    C. Active Directory Users and Computers
    D. The Office 365 Lync Online Portal
    Answer: C
    Explanation:
    http://technet.microsoft.com/en-us/library/hh852469.aspx
    2.You are planning the deployment of two Mediation Servers in the New York office.
    You need to identify the minimum number of network ports that must be configured on each Mediation Server. The solution must meet the Enterprise Voice requirements.
    How many ports should you identify?
    To answer, configure the appropriate number of network ports for the component in the answer area.

    image

    image

    A. 1
    B. 2

    C. 3
    D. 4
    Answer: B
    Explanation:
    http://technet.microsoft.com/en-us/library/gg398399.aspx
    Note: The Mediation Server translates signaling and, in some configurations, media between your internal
    Lync Server 2013, Enterprise Voice infrastructure and a public switched telephone network (PSTN)
    gateway or a Session Initiation Protocol (SIP) trunk. On the Lync Server 2013 side, Mediation Server listens on a single mutual TLS (MTLS) transport address. On the gateway side, Mediation Server listens on all associated listening ports associated with trunks defined in the Topology document. All qualified gateways must support TLS, but can enable TCP as well. TCP is supported for gateways that do not support TLS.
    The main functions of the Mediation Server are as follows:
    -Encrypting and decrypting SRTP on the Lync Server side
    -Translating SIP over TCP (for gateways that do not support TLS) to SIP over mutual TLS
    -Translating media streams between Lync Server and the gateway peer of the Mediation Server
    -Connecting clients that are outside the network to internal ICE components, which enable media
    traversal of NAT and firewalls
    -Acting as an intermediary for call flows that a gateway does not support, such as calls from remote workers on an Enterprise Voice client
    -In deployments that include SIP trunking, working with the SIP trunking service provider to provide PSTN support, which eliminates the need for a PSTN gateway
    The following figure shows the signaling and media protocols that are used by the Mediation Server when communicating with a basic PSTN gateway and the Enterprise Voice infrastructure.

    image

    3.You need to configure the second phone number for the executives. The solution must meet the business requirements.
    What should you use?
    A. The Lync Server Control Panel
    B. The Set-CsUser cmdlet
    C. The Set-CsAdUser cmdlet
    D. The Topology Builder
    Answer: B
    4 .DRAG DROP
    You need to recommend a solution to meet the UM requirements.
    What should you configure to meet each requirement?
    To answer, drag the appropriate configurations to the correct requirements in the answer area.
    Each configuration 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.

    image

    Answer:
    Box 1: A UM Dial plan
    Box 2: A UM Dial plan
    Box 3: A UM auto attendant
    Box 4: A UM mailbox policy
    Note:
    * A Unified Messaging (UM) dial plan is created using an organization-wide scope and contains configuration information related to your telephony network. A UM dial plan establishes a link from the telephone extension number of a Microsoft Exchange Server 2010 recipient in Active Directory to a UM-enabled mailbox.
    * You can create a Unified Messaging (UM) mailbox policy to apply a common set of UM policy settings, such as PIN policy settings or dialing restrictions, to a collection of UM-enabled mailboxes. UM mailbox policies link a UM-enabled user with a UM dial plan and apply a common set of policies or security settings to a collection of UM-enabled mailboxes. UM mailbox policies are useful for applying and standardizing UM configuration settings for UM-enabled users.
    * Incorrect: After you create a Unified Messaging (UM) auto attendant, incoming calls to an external
    telephone number that a human operator would ordinarily answer are answered by the auto attendant.
    5.You need to recommend a solution to prevent calls to the Boston office from being routed over the
    PSTN. The solution must meet the Lync Server requirements.
    What should you include in the recommendation?
    A. A Lync Server 2013 Director pool
    B. Two Lync Server 2013 trunks
    C. Two Lync Server 2013 Edge Servers
    D. A Lync Server 2010 A/V Conferencing pool
    Answer: B
    6.You need to recommend a solution to integrate the planned on-premises Lync Server 2013 infrastructure and Lync Online.
    Which two components should you include in the recommendation? (Each correct answer presents part of the solution. Choose two.)
    A. A Lync Server 2013 partner application
    B. A new certificate issue by a trusted third-party certification authority (CA)
    C. The Microsoft Online Services Directory Synchronization tool
    D. A Session Border Controller
    E. A Lync Server 2013 Edge pool
    Answer: C, E

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