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Microsoft 074-338 Exam Syllabus Topics:
| Section | Weight | Objectives |
| Troubleshoot Conferencing and Collaboration | 25% | - Application sharing and Office Web Apps integration
- Dial-in conferencing access
- Meeting join and connectivity
- Audio/video quality and media flow
|
| Troubleshoot Infrastructure and Core Components | 25% | - Certificates, DNS, and authentication
- Topology and configuration issues
- Central Logging Service and monitoring tools
- Front End, Back End, and Edge Server problems
|
| Troubleshoot IM and Presence | 20% | - IM delivery and federation issues
- Persistent Chat problems
- Sign-in and registration failures
- Presence status inconsistencies
|
| Troubleshoot Enterprise Voice | 30% | - Call Admission Control (CAC) and QoS
- Mediation Server and gateway connectivity
- Response Group and Call Park service
- Media quality and codec issues
- Call routing and dial plans
|
Microsoft Lync 2013 Depth Support Engineer Sample Questions:
Question 1
You support a Microsoft Lync Server 2013 Enterprise pool deployed in a high availability configuration for Back End Servers named Backend1 and Backend2. You execute the Get-CSDatabaseMirrorState cmdlet and discover the following errors. WARNING: Cannot connect to database server "BackEnd2.contoso.com".Message: A network- related or instance-specific error occurred whileestablishing a connection to SQL Server. The server was not found or was notaccessible. Verify that the instance name is correct and that SQL Server isconfigured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)DatabaseName : rtcabStateOnPrimary : PrincipalStateOnMirror : StatusUnavailableMirroringStatusOnPrimary :synchronizedMirroringStatusOnMirror :DatabaseName : rtcxdsStateOnPrimary : PrincipalStateOnMirror : StatusUnavailableMirroringStatusOnPrimary :synchronizedMirroringStatusOnMirror You need to resolve the connectivity issue and bring up the mirror databases to the synchronized state between the Back End Servers. What should you do?
A. Run the Invoke-CsPoolFailOver cmdlet.
B. From the mirror Back End Server, create the inbound rule on the firewall.
C. Run the Test-CsDatabase cmdlet.
D. From the Front End Server, create the inbound rule on the firewall.
Question 2
You support Microsoft Lync Server 2013 in your customer's company network. You discover a malicious file type with the extension .mal that you want to prevent from being circulated through Lync. You need to block .mal files from file transfer in Lync. What should you do?
A. Run the Set-CsFileTransferFilterConfiguration -Identity Global -Extensions @{Add=".mal"} cmdlet.
B. Add the internal Lync web services fully qualified domain name (FQDN) to the Trusted Sites section in Internet Explorer.
C. Run the Set-CsImFilterConfiguration -Identity Global -Prefixes @{Add="mal:"} cmdlet.
D. Run the Set-ExecutionPolicy Unrestricted @{Add=".mal"} cmdlet.
Question 3
Your network environment includes Microsoft Lync Server 2013. You configure a Session Initiation Protocol (SIP) trunk to point to a Lync Mediation Server from an internet service provider (ISP). Media bypass is disabled. You attempt to forward calls to a mobile phone and receive the following message: "Cannot complete the transfer." You need to be able to forward calls to mobile phones. Which cmdlet should you use?
A. Set-CsTrunkConfiguration -EnableSessionTimer $True
B. Set-CsTrunkConfiguration -EnableReferSupport $False
C. Set-CsTrunkConfiguration -RTCPActiveCalls $True
D. Set-CsTrunkConfiguration -EnableBypass $True
Question 4
You support a customer whose network environment includes Microsoft Lync Server 2013. All users are members of an Active Directory Domain Services (AD DS) domain. All users are using the Global client policy. AddressBookAvailability is set to WebSearchOnly. For some users in Active Directory, you change the attributes that relate to title and department. You discover that these attributes are not reflected in the users' contact cards in Lync 2013. You need to update the Lync address book immediately to reflect the changes you made. What should you do?
A. Run the Set-CsClientPolicy-Identity Global-EnableExchangeContactSync $true cmdlet.
B. Run the Update-CsUserDatabase cmdlet.
C. Run the Update-CsAddressBook cmdlet.
D. Change the Global Client Policy to use WebSeachandFileDownload.
Question 5
DRAG DROP You support a customer whose network environment includes a Microsoft Lync Server 2013 Standard Edition deployed for instant messaging
(IM), presence, voice, video, audio conferencing, video conferencing, and Enterprise Voice workloads. Your customer also has an IP Private Branch Exchange (PBX), which the company plans to decommission within the next three months. Your customer has deployed a session initiation protocol (SIP) trunk solution from a service provider with the Lync Server 2013 environment. You are also using a media gateway connecting the Lync Server 2013 and IP PBX for voice between the IP PBX phones and the Lync 2013 phones. You have eliminated the Tl connection to the IP PBX and you are using Lync 2013 Enterprise Voice services for all public switched telephone network
(PSTN) calls for all users. IP PBX phone users connect to the company meeting by using Lync's dial-out capability. IP PBX phone users report the following issues:
-The name and number displayed for incoming calls are incorrect.
-When users make outgoing calls, call quality deteriorates over time to the point that they cannot hear the other participants.
-Outgoing calls to PSTN sometimes get re-order tones.
-Users who join the conference by using the Call Me feature report issues with incoming calls, affecting both display and voice quality. You are unable to reproduce the issues by using test phone lines on IP PBX and test Lync
client accounts on Lync Server 2013.
You decide to use a user's telephone to try to reproduce the problem. You need to capture troubleshooting details from the Lync Server 2013 environment of a test call that uses the executive IP PBX Which four commands should you run in sequence? (To answer, move the appropriate four actions from the list of actions to the answer area and arrange them in the correct order.)

Solutions:
Question 1 Answer: B | Question 2 Answer: A | Question 3 Answer: B | Question 4 Answer: B | Question 5 Answer: Only visible for members |