Cisco certification — 642-415 update
Cisco 642-414 is recently updated, and is succeeded by the new exam 642-415. Candidates can choose either 642-414 or 642-415. The expiry date of 642-414 is: 06/24/08
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This article comes with some 642-415 Q&As from pass4sure. Please go to the official site
(www.pass4sure.com) for the full version.
Unified Communications Architecture and Design Exam
Exam Number: 642-415
Associated Certifications: Cisco IP Telephony Design Specialist
Duration: 90 minutes (35 -45 questions)
Available Languages: English
Click Here to Register: Pearson VUE
Exam Policies: Read current policies and requirements
Exam Tutorial: Review type of exam questions
http://www.cisco.com/web/learnin … _exam_tutorial.html
Exam Description
The 642-415 UCAD Unified Communications Architecture and Design exam is the exam associated with the Cisco IP Telephony Design Specialist certification. This exam tests a candidate’s knowledge of technical issues surrounding the design of Voice over Data network and explains a methodology that brings order to approaching the problems faced by planners and designers, including assessment of the current network, Cisco methodology for implementing Voice over Data networks, and how to design sustainable and appropriate implementations. Candidates can prepare for this exam by taking the UCAD Cisco Unified Communications Architecture and Design course.
Exam Topics
The following topics are general guidelines for the content likely to be included on the Remote Access exam. However, other related topics may also appear on any specific delivery of the exam. In order to better reflect the contents of the exam and for clarity purposes, the guidelines below may change at any time without notice.
Determine the relevant critical business and technical needs in order to develop a Cisco Unified Communications design framework
• Determine which business considerations are relevant to a Call Control design
• Determine which technical considerations are relevant to a Call Control design
Determine the appropriate deployment model to meet Cisco Unified Communications design requirements
• Recognize the characteristics and limitations of a single-site Call Control deployment
• Recognize the characteristics and limitations of a multi-site centralized processing Call Control deployment
• Recognize the characteristics and limitations of a multi-site distributed / hybrid processing Call Control deployment
• Recognize the characteristics and limitations of distributed cluster Call Control deployment
Design a Cisco Unified Communications Manager cluster
• Determine Cisco Communications Manager redundancy model to meet design requirements
• Determine cluster services necessary to meet requirements for a given Cisco Unified Communications Manager cluster, including TFTP, MoH, CTI Manager, and Voice Media streaming application
• Determine hardware requirements for a given Cisco Unified Communications Manager cluster
• Determine when an LDAP integration is required
Design the dial plan to support Cisco Unified Communications requirements
• Explain the benefits of hierarchical and scalable numbering plans
• Explain the issues surrounding Directory Number (DN) design
• Explain the different path selection mechanisms available
• Explain the different digit manipulations available
• Explain the mechanisms used to enable calling privileges
• Explain the mechanisms used to provide call coverage
• Given a set of design requirements, design a dial plan
• Identify the requirements for provisioning emergency services in an IP telephony environment
Design a LAN topology to support voice and data on a converged Cisco Unified Communications network
• Design a highly available LAN infrastructure, capable of supporting voice and basic data requirements
• Identify PoE considerations that impact hardware selection
• Describe how DHCP, DNS, and NTP services impact LAN topology design
• Select appropriate hardware to meet LAN design requirements
Design a WAN topology to support voice on a converged Cisco Unified Communications network
• Determine voice bandwidth requirements for a given Busy Hour Call Attempts
• Identify hardware and software requirements for remote survivability in a centralized deployment
• Select appropriate hardware to meet WAN design requirements
• Describe the interrelationship between WAN topology and voice services
Design connectivity for off cluster destinations
• Determine how offnet connectivity issues influence gateway hardware and protocol selection
• Select appropriate hardware to meet offnet design requirements
• Determine circuit size based on a given set of calling patterns
• Determine type of circuit to meet business and technical requirements
• Given a set of business and technical requirements, design PSTN connectivity
• Given a set of business and technical requirements, design integration to Legacy Infrastructure components
• Given a set of business and technical requirements, determine the type of VoIP trunks needed
Design VoIP network to incorporate gatekeeper services
• Identify capabilities and services provided by a gatekeeper
• Given a set of business and technical requirements, design a VoIP network to incorporate a gatekeeper for CAC
• Given a set of business and technical requirements, design a VoIP network to incorporate a gatekeeper for dial plan resolution
• Identify the design requirements that impact the hardware selection for a gatekeeper
Design a QoS policy for a converged network
• Describe the purpose of a QoS policy
• Given business and technical requirements, develop a QoS policy
• Given business and technical requirements, select the appropriate CAC mechanisms
• Given business and technical requirements, define the parameters required to support a given CAC mechanism
Design media resources needed to support VoIP design requirements
• Given business and technical requirements, design conferencing support
• Given business and technical requirements, design transcoding support
• Given business and technical requirements, design MTP support
• Given business and technical requirements, determine the number of DSPs required
• Given business and technical requirements, determine MoH support
• Given business and technical requirements, determine media resource allocation
Determine environmental requirements of a Cisco Unified Communications design
• Determine physical space requirements for specified hardware
• Determine power requirements for specified design
• Determine HVAC requirements for specified design
Identify the security concerns relevant to a Cisco Unified Communications design
• Determine if an existing customer security plan will influence Cisco Unified Communications design
• Identify the potential threats to an IP telephony network
• Describe voice security features and their impact
• Given business policies and technical considerations, design a security policy for a Cisco Unified Communications solution
This article will not provide 642-415 Q&As, please click here 642-415 update.pdf (58.88 KB)
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