Friday 22 May 2015

Exam 74-338 Lync 2013 Depth Support Engineer

Exam 74-338 Lync 2013 Depth Support Engineer

Published: 29 April 2013
Languages: English, Chinese (Simplified), French, German, Japanese, Portuguese (Brazil)
Audiences: IT professionals
Technology: Microsoft Lync Server 2013
Credit towards certification: MCP, Microsoft Specialist

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.

Analyse and troubleshoot Enterprise Voice (25-30%)
Troubleshoot call setup and tear down

Troubleshoot internal phone calls (PC to PC), external phone calls (PC to Public Switched Telephone Network [PSTN]), inbound and outbound routing, network configuration and internal and external clients

Troubleshoot Voice quality issues

Analyse Call Detail Recording/Quality of Experience (CDR/QOE) logs, analyse call flow by using Snooper and troubleshoot third-party devices, QOS and network bandwidth

Troubleshoot Voice configuration

Analyse dial plans (normalisation, translation), analyse session management (trunk routing); analyse policies, routes and usages; and troubleshoot external connectivity (gateways, SBA, PBX, SBC, PSTN) and media bypass

Analyse Voice applications

Troubleshoot call park, response groups, unassigned numbers, Exchange voicemail, third-party applications, and LIS and E911 implementation

Troubleshoot unified communications (UC) devices and peripherals

Troubleshoot device update issues, device connectivity issues (LPE + non-LPE), PIN authentication issues, peripherals and VDI plug-in device pairing

Troubleshoot mobile devices

Troubleshoot mobile auto-discover issues, mobile device usage issues, mobile callback feature, push notification, call establishment and mobile conference data

Troubleshoot conferencing and application sharing (20-25%)

Troubleshoot AV

Troubleshoot multi-party video, conference network bandwidth, server resources, media relay and third-party interop

Troubleshoot dial-in conferencing

Troubleshoot Conferencing Auto Application (CAA), Client Access Server (CAS), contact objects and conference directories

Troubleshoot the conference life cycle

Troubleshoot web scheduler, multipoint control unit (MCU) health, simple URLs (join launcher), UC add-in for Microsoft Outlook, Lync Web Access (LWA) and content expiry

Troubleshoot data

Troubleshoot Microsoft PowerPoint presentation connections, WAC server configurations, dataproxy and WAC topology

Analyse and troubleshoot application sharing

Troubleshoot network issues, latency, external access, connectivity and configuration

Troubleshoot IM and Presence (20-25%)

Troubleshoot sign-in issues

Troubleshoot DNS, certificates, registration, network connectivity, authentication and auto-discover

Troubleshoot Presence

Troubleshoot aggregation (OOF, calendar, machine, user), enhanced privacy, subscriptions, contact list and privacy relationship

Troubleshoot federation

Troubleshoot XMPP, connectivity, Public IM connectivity (PIC), federation types (open, direct, enhanced), federation policy and legacy interop

Troubleshoot client configuration

Troubleshoot file transfer, policy assignment, URL filtering, client version filtering, GPO assignment and user photo

Troubleshoot Address Book

Troubleshoot normalisation, local versus web lookup, internal file download, external file download, Address Book generation and contact merge

Troubleshoot Persistent Chat

Troubleshoot policies and settings, connectivity, Persistent Chat compliance role, migration issues with earlier group chat and Persistent Chat performance

Troubleshoot infrastructure and tools (20-25%)

Troubleshoot high availability and resiliency
Perform a cut-over from one Lync pool to another and troubleshoot server storage replication; file-share replication by using DFS; single-server failure (Lync, SQL); data centre failure, including CMS; and branch survivability

Identify issues by using troubleshooting tools
Identify issues using CLSlogging Scenarios, demonstrate use of Snooper for database analysis, and identify issues using NetMonitor, OCS Logger, Event Viewer and Performance Monitor

Troubleshoot topology and dependent infrastructure
Troubleshoot database synchronisation issues, including SQL mirroring and LYSS replication, topology replication, IIS, user placement and role-based access control (RBAC) rights assignment

Who should take this exam?

Candidates for this exam are IT consultants or telecommunications professionals who provide product support services for unified communications solutions. Candidates should be able to translate a support call, resolve the issue and produce a knowledge-base article for future support references.

Candidates should have a minimum of two years of experience with Microsoft Lync technologies and be familiar with various deployments and configurations. Candidates should be proficient in Lync Server 2013 solutions for end users, endpoint devices, telephony, audio/video and web conferences, security and high availability. Candidates should also know how to monitor and troubleshoot Lync Server 2013 using Microsoft tools and third-party vendor tools.

In addition, candidates should be proficient with Active Directory Domain Services, data networks, and telecommunications standards and components that support the configuration of Lync Server 2013. Candidates should be familiar with the requirements for integrating Lync Server 2013 with Microsoft Exchange Server and Office 365.




QUESTION 1
You work for a company named ABC.com. Your role of Lync Administrator includes the
management of the Microsoft Lync Server 2013 infrastructure.
Two Windows Server 2012 servers named ABC-DB01 and ABC-DB02 run SQL Server 2012.
ABC-DB01 and ABC-DB02 host a mirrored database for the Lync Server Central Management
Store (CMS). ABC-DB01 currently has the principle database and ABC-DB02 currently has the
mirror database. The mirrored database does not use a witness instance.
You need to manually failover the mirrored database to enable you to perform maintenance on
ABC-DB01.
Which of the following Windows PowerShell cmdlets should you run?

A. Invoke-CsPooIFailover
B. Invoke-CsManagementStoreReplication
C. Invoke-CsBackupServiceSync
D. Invoke-CSManagementServerFailover

Answer: D

Explanation:


QUESTION 2
You work for a company named ABC.com. The company has a Microsoft Lync Server 2013
infrastructure that includes two Lync Server pools. Your role of Lync Administrator includes the
management of the Microsoft Lync Server 2013 infrastructure.
An Edge server named ABC-Edge1 is configured to use a pool named ABC-LyncPool1.ABC.com
as its next hop. You plan to failover to a second pool named ABC-LyncPool2.ABC.com. Before
failing over the pool, you need to reconfigure the next hop for ABC-Edge1 to be ABCLyncPool2.
ABC.com.
Which of the following Windows PowerShell cmdlets should you run?

A. Set-CsEdgeServer
B. Set- CsAVEdgeConfiguration
C. New-CsEdgeAllowList
D. Set-CsAccessEdgeConfiguration
E. Move-CsApplicationEndpoint

Answer: A

Explanation:


QUESTION 3
You work for a company named ABC.com. The company has two Active Directory sites in a
single Active Directory Domain Services domain named ABC.com. Your role of Lync
Administrator includes the management of the Microsoft Lync Server 2013 infrastructure.
The Lync infrastructure consists of a single pool named ABC-LyncPool1.ABC.com.
You have been asked to design a disaster recovery (DR) plan in the event of a failure of ABCLyncPool1.
ABC.com. Part of the DR plan would be to configure a backup pool.
Which three of the following Windows PowerShell cmdlets would you need to run to recover the
CMS (Central Management Store) and the Lync user accounts? (Choose three)

A. Set-CsManagementServer
B. Install-CsDatabase
C. Set-CsLocationPolicy
D. Move-CsManagementServer
E. Invoke-CSManagementServerFailover
F. Invoke-CsPoolFailover

Answer: B,D,F

Explanation:


QUESTION 4
You work for a company named ABC.com. The company has a single Active Directory Domain
Services domain named ABC.com. The company has a datacenter located in New York.
The New York datacenter hosts two Microsoft Lync Server 2013 pools named ABCLyncPool1.
ABC.com and ABC-LyncPool2.ABC.com. ABC-LyncPool1.ABC.com hosts the CMS
(Central Management Store). All of the company’s 70,000 users are enabled for Lync. Your role
of Lync Administrator includes the management of the Microsoft Lync Server 2013 infrastructure.
The servers in ABC-LyncPool1.ABC.com suffer irreparable hardware failure. You need to recover
the Lync environment by failing over ABC-LyncPool1.ABC.com. All users will be hosted
permanently on ABC-LyncPool2.ABC.com.
Which of the following Windows PowerShell cmdlets should you run? (Choose all that apply)

A. Invoke-CSManagementServerFailover
B. Invoke-CsPoolFailover
C. Invoke-CsManagementStoreReplication
D. Invoke-CsPoolFailover
E. Move-CsManagementServer
F. Install-CsDatabase

Answer: D,E,F

Explanation:


QUESTION 5
You work for a company named ABC.com. Your role of Lync Administrator includes the
management of the Microsoft Lync Server 2013 infrastructure.
You receive reports from users that they are sometimes unable to make outbound calls. You
discover that the failures are caused by there being no available trunks.
To help troubleshoot the issue, you plan to run performance monitor counters to monitor the total
number of calls and the total number of inbound calls to determine trunk usage.
Against which server should you run the performance monitor counters?

A. Edge Server
B. Front End Server
C. Database Server
D. Mediation Server

Answer: D

Explanation:

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