Exam 74-404:

Microsoft Office Communications Server 2007 R2 – U.C. Voice Specialization

Published:May 04, 2010
Language(s):English
Audience(s):IT Professionals
Technology:Microsoft Office Communications Server 2007
Type:Proctored Exam

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About this Exam
This exam is designed to validate that candidates have the skills to design, deploy, and administer Microsoft Office Communications Server 2007 Release 2 (R2). Candidates should have experience with interoperability between Office Communications Server 2007 R2, Office Communications Server 2007, Microsoft Exchange Server 2007 Unified Messaging, and Active Directory Domain Services. Candidates should also have experience with network infrastructure components that support the deployment and ongoing management of Office Communications Server 2007 R2.
Note This preparation guide is subject to change at any time without prior notice and at the sole discretion of Microsoft. Microsoft exams might include adaptive testing technology and simulation items. Microsoft does not identify the format in which exams are presented. Please use this preparation guide to prepare for the exam, regardless of its format.
Skills Being MeasuredThis exam measures your ability to accomplish the technical tasks listed below.The percentages indicate the relative weight of each major topic area on the exam.
Architecting and Designing Microsoft Unified Communications (UC) Voice Solutions
  • Given a set of customer requirements, design an appropriate voice architecture solution.
    • This objective may include but is not limited to: standard vs. enterprise; design for high availability; design for scalability; placement of Mediation servers and gateways in a global deployment; multi-site vs. single site deployment; plan for front-end load balancing (HNLBs)
  • Given a set of customer requirements, design a conferencing solution.
    • This objective may include but is not limited to: language support; scalability; provide usage scenarios; external vs. internal; geographic placement of server roles; geographic placement of dial-in conferencing numbers
  • Design a dial plan architecture, including dialing, routing, and normalization requirements.
    • This objective may include but is not limited to: single site vs. multi site and least cost routing; determine class of users; design phone usages and policies
  • Design for availability of public switched telephone network (PSTN) connections.
    • This objective may include but is not limited to: plan for multiple gateways, multiple Mediation servers, and redundant routes; design for high availability; media path resiliency
  • Identify bandwidth, network, DNS, and certificate requirements for all Office Communication Server 2007 R2 server roles.
    • This objective may include but is not limited to: service bandwidth requirements such as voice and video; media streams (PRIs and/or SIP); codecs; Live Meeting protocols; peer-to-peer bandwidth requirements; MCU traffic flow requirements; required DNS records to support Voice endpoints; existence/use of certified gateways capable of securing voice traffic
  • Given a set of remote access requirements, identify the appropriate Microsoft-supported deployment topology.
    • This objective may include but is not limited to: Edge topology and differences between OCS 2007 and OCS 2007 R2; consolidated Edge with NAT; A/V Edge scaling
Administer User, Client, and Usage Scenarios
  • Configure Office Communications Server 2007 R2 client voice capabilities.
    • This objective may include but is not limited to: Team Call, Sim Ring, Delegation, Attendant Console
  • Configure Office Communications Server 2007 R2 client conferencing capabilities.
    • This objective may include but is not limited to: Outlook Conference Plug-In, Dial-In Conferencing
  • Deploy and configure Office Communicator 2007 R2 Phone Edition devices.
    • This objective may include but is not limited to: Office Communicator Phone Edition devices; DNS entries; update process for devices; DHCP scope options
  • Configure and manage user settings for enterprise voice, unified messaging, and dial-in conferencing.
    • This objective may include but is not limited to: user property settings; required entry format; meeting policy settings; dial plan; enable users for dial-in conferencing
  • Configure the Response Group Service.
    • This objective may include but is not limited to: create and manage contact objects, agents, groups, queues, and work flows
Configure servers and components
  • Configure Office Communications Server 2007 R2 server roles and policies.
    • This objective may include but is not limited to: bandwidth limitations; QoS marking; certificates
  • Configure location profiles to support normalization requirements.
    • This objective may include but is not limited to: build regular expression and address normalization statements; optimize device dialing; external access prefix; internal enterprise extension
  • Configure phone usages, policies, and routing to support a voice solution.
    • This objective may include but is not limited to: restrict long distance; voice routes for least cost routing; route redundancy
  • Configure Mediation servers and Session Initiation Protocol (SIP)/Media gateways.
    • This objective may include but is not limited to: SIP trunking and security; NIC configurations; transport protocols; inbound normalization through Mediation server and not needing “+” in source or destination phone numbers; removeplusfromrequestURI
  • Configure Office Communications Server server roles to support audio/video conferencing, Edge servers, and firewalls.
    • This objective may include but is not limited to: determine media path for remote users; configure Mediation server for A/V Edge; determine media path for PSTN calls
  • Configure Office Communications Server 2007 R2 and Exchange Server Unified Messaging for voice integration.
    • This objective may include but is not limited to: exchucutil.ps1; ocsumutil.exe; SIP secure; dial plan configuration
  • Configure Conference Attendant properties.
    • This objective may include but is not limited to: establish dial in numbers; map dial in numbers to location profiles
Troubleshoot Office Communications Server 2007 R2 Deployments
  • Troubleshoot common issues in an Office Communications Server 2007 R2 environment.
    • This objective may include but is not limited to: voice quality issues; dialing issues; audio flow issues; conferencing issues; external access issues
  • Detect and analyze issues in an Office Communications Server 2007 R2 environment.
    • This objective may include but is not limited to: Snooper; DVT; BPA; Validation Wizard; Enterprise Voice Route Helper; Network Monitoring Tool 3.3
  • Interpret QoE reports generated by a Monitoring Server.
    • This objective may include but is not limited to: identify Voice endpoints that are in use; call detail reports; how to resolve a report that contains a poor MOS score; identify issues between locations
  • Troubleshoot normalization issues.
    • This objective may include but is not limited to: enterprise-level deployment issues; Call Manager; address book normalization; use sample_company_phone numbers file
Preparation Tools and ResourcesTo help you prepare for this exam, Microsoft Learning recommends that you have hands-on experience with the product and that you use the following training resources. These training resources do not necessarily cover all of the topics listed in the "Skills Measured" tab.
Classroom Training There is no classroom training currently available.
Microsoft E-Learning There is no Microsoft E-Learning training currently available.
Microsoft Press Books There are no Microsoft Press books currently available.
Practice Tests There are no practice tests currently available.
Microsoft Vendor Approved Courseware
Microsoft Unified Communications Voice Ignite Technical Workshop v 2.0 (R2) is highly recommended. The workshop is offered from these Microsoft Vendors:
Microsoft Online Resources
Microsoft Partner Network: Exam details and partner competency information.
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