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Microsoft 74-338 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Troubleshoot IM and Presence | 20% | - Sign-in and registration failures - Presence status inconsistencies - Persistent Chat problems - IM delivery and federation issues |
| Topic 2: 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 |
| Topic 3: Troubleshoot Conferencing and Collaboration | 25% | - Dial-in conferencing access - Meeting join and connectivity - Audio/video quality and media flow - Application sharing and Office Web Apps integration |
| Topic 4: Troubleshoot Enterprise Voice | 30% | - Mediation Server and gateway connectivity - Call routing and dial plans - Call Admission Control (CAC) and QoS - Media quality and codec issues - Response Group and Call Park service |
Microsoft Lync 2013 Depth Support Engineer Sample Questions:
You support Microsoft Lync Server 2013 servers in your customer's company network. You enable federation with a public instant messaging (IM) provider. Users of the public IM provider are unable to participate in IM conversations in your customer's organization. You need to ensure that the users of the public IM provider are able to participate in IM conversations. Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)
- A. Create a federated user access policy.
- B. Enable an archiving disclaimer to federated partners.
- C. Create a federation and public IM connectivity policy.
- D. Enable partner domain discovery.
Correct Answer: A,C 🗳️
You deploy Microsoft Lync Server 2013 Enterprise Edition and create a pool named Lync2013pool.Contoso.local. You configure the Lync admin URL to be admin.contoso.local. The Front End and Back End roles are installed on servers named FE2013 and BE2013. Your DNS
server hosts the following records: _Sipinternaltls._tcp.contoso.local SRV priority 0, weight 0, port 5061, lync2013pool.contoso.local_tcp._kerberos.contoso.local
SRV proiority 0, weight 100, port 88, DC.contoso.localDC A 192.168.10.20Dialin
A 192.168.10.10Admin
A 192.168.10.20FE2013
A 192.168.10.10BE2013
A 192.168.10.11
You attempt to open the Lync Server Control Panel and you receive an error message. You need to be able to open the Lync Server Control Panel. Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)
- A. Create the following DNS A record:Meet.contoso.local A 192.168.10.10
- B. Create the following DNS A record: lyncdiscoverinternal.contoso.local A 192.168.10.10
- C. Create the following DNS A record: lync2013pool.contoso.local A 192.168.10.10
- D. Modify the following DNS A record: admin.contoso.local to point 192.168.10.10
- E. Create the following DNS SRV record: _sipinternal._tcp.contoso.local SRV priority 0, weight 0, port 5061 lync2013pool.contoso.local
Correct Answer: C,D 🗳️
You support Microsoft Lync Server 2013 in your company network. Your company has four buildings on a single site. A user reports that when she calls users in another building, the call quality is poor. You receive the Quality of Experience (QoE) report: Capture device: Headset MicrophoneRender device: Headset EarphoneMicrophone timestamp error: 0.02msEcho percent microphone in: 15.21%Codec: SIRENAudio FEC: FalsePacket utilization: 32701Avg. packet loss rate: 10.21%Avg. jitter: 23msAvg. round trip:
62msAvg. network MOS: 3.71Avg. network MOS degradation (jitter):0.00%Avg. sending MOS: 2.97Avg. listening MOS: 3.17Receive noise level: -56dBoV Which of the following values is outside acceptable limits?
- A. Avg. packet loss rate: 10.21%
- B. Avg. jitter: 23ms
- C. Receive noise level: -56dBoV
- D. Packet utilization: 32701
- E. Avg. round trip: 62ms
Correct Answer: A 🗳️
You support a Microsoft Lync Server 2013 on-premise environment that includes the following:
-An Enterprise Edition Front End Pool with three Front End Servers
-A mirrored back-end SQL database
-Both the Front End Pool and Edge Pool use hardware load balancers (HLBs)
-An Edge Server pool with two servers in perimeter network The Lync environment supports 10,000 users in High Availability mode. Some users report that they are unable to make outbound calls to specific public switched telephone network (PSTN) numbers. When they attempt to do so, the call appears to be connected but then drops with a reorder tone, and then they receive the following error message: "Due to network error your call cannot be completed at this time. Please try your call again." You need to troubleshoot the issue. Which centralized logging scenario should you use?
- A. incomingAndOutgoingCall
- B. MediaConnectivity
- C. LYSSAndUCS
- D. HybridVoice
Correct Answer: A 🗳️
You are a member of the CsAdministrator group that supports a Microsoft Lync Server 2013 datacenter. The datacenter consists of one pool. You implement Enterprise Voice. You do not have Call Admission Control (CAC) enabled. A user reports that when she receives a call to her Private Branch Exchange (PBX) phone, she doesn't get notified in her Lync Client. Other users do not have this problem. You need to ensure that the user is notified by Lync when a call comes in. What should you do?
- A. Change the voice policy to enable Simultaneous Ring reroute.
- B. Change the users' Telephony setting to Remote call control.
- C. Change the voice policy to disable Public Switched Telephone Network (PSTN) reroute.
- D. Change the users' Telephony setting to Enterprise Voice.
Correct Answer: B 🗳️
