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Unified Communications Architecture and Design
Exam Number: 642-415 Exam
Associated Certifications: Unified Communications Architecture and Design
Duration: 58 Q&As

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QUESTION 1
Which wireless service component within the prepare phase creates a business case that
provides both business and financial justification for a customer to use in evaluating
adoption of a WLAN system?
A. Account Planning
B. Customer Education
C. Business Case Development
D. Business Requirements Development
E. Proposal Development
Answer: C
QUESTION 2
Select the wireless service component in the implement phase in which operations
responsibilities are defined and transferred to the operate phase team. Select exactly 1
answer(s) from the following:
A. Staff Training
B. Detailed Design Development
C. staging and System Migration
D. Ongoing Support Handoff Meeting
Answer: D
QUESTION 3
Which wireless service component is associated with maintaining historical and current
information about the WLAN solution?
A. Configuration Management
B. Change Management
C. Acceptance Test Plan
D. Incident Management
Answer: A
QUESTION 4
The Cisco Lifecycle Services approach for wireless solutions provides a framework for
which of the following opportunities?
A. customers determining a competitor¡¯s strategy for adopting advanced technologies
B. customers defining the correct strategy for advanced technology adoption
C. partners having a discussion with customers about the minimum service components
needed to successfully deploy a wireless solution
D. partners choosing the right products for their customers

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E. customers choosing the right products for their network
Answer: C
QUESTION 5
Select two activities that are included in the wireless detailed design development
service
component in the design phase. (Choose two.)
A. Design WLAN Infrastructure
B. Perform Detailed Analysis for Intrusion Prevention System
C. Present Low-Level Design to Customer
D. Create Detailed Staff Training Matrix
E. Develop Detailed Design for Intrusion Prevention System
Answer: A,C
QUESTION 6
Which wireless service component within the prepare phase identifies activities such as
set solution goals, select business drives, and establish success criteria?
A. High-Level Design Development
B. Proof of Concept
C. Technology Strategy Development
D. Business Requirements Development
Answer: D
QUESTION 7
Which three wireless service components belong to the operate phase? (Choose three.)
A. Incident Management
B. Operations Implementation
C. Operations Assessment
D. Operations Plan
E. System Monitoring
F. Security Administration
Answer: A,E,F
QUESTION 8
Which three of the following service components are included in the WLAN optimize
phase? (Choose three.)
A. Security Administration
B. Operations Readiness Assessment
C. Change Management

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D. Security Assessment
E. Technology Assessment
F. Operations Assessment
Answer: D,E,F
QUESTION 9
Which definition best describes the staff training service component within the wireless
implement phase?
A. develops a training plan and delivers via a custom workshop or e-learning
B. helps improve the performance and functionality of the infrastructure operations and
network management system.
C. Provides a step-by-step plan detailing the installation and service-commission
requirement tasks to be staged in a controlled implementation environment that emulates
a customer network.
D. reduces the risk of downtime caused by facilities-related problems
Answer: A
QUESTION 10
Select two activities that from part of the wireless migration plan development service
component in the wireless design phase. (Choose two.)
A. Define Migration Team Roles and Responsibilities
B. Create Detailed Staff Training Matrix
C. Verify Migration Address and Available Stops
D. Gather and Verify Migration Requirements
E. Collect and Verify Site Specific Implementation Requirements
F. Confirm Project and Milestone Dates
Answer: A,D

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1. Consider the following customer attributes and choose the correct IP telephony call processing model:

- a large campus that spans two PSAP areas

- a single group of buildings connected via fiber optics

- data VPNs that support multiple contractors and suppliers

- a fully developed three-tier network hierarchy

- connectivity to two different service providers for Internet access

A. single-site call processing B. centralized call processing C. hybrid call processing
D. distributed call processing

Answer: A

2. What information is relevant to choosing an IP telephony centralized call processing model? A. multiple PRIs to the PSTN
B. a campus of six buildings connected via an ATM backbone

C. three small regional sales offices located in the three Western time zones

D. centralized order processing, shipping, and billing for all customer products

E. connectivity to a single service provider that hosts the company web site and provides for Internet access

F. a single six-story building with an IDF on each floor and an MDF in the computer room on the second floor

Answer: C

3. In a TDM PBX to Cisco Unified Communications Manager migration, which three things must be verified from the LAN perspective before IP telephony can be deployed? (Choose three.)
A. the type of wiring in the office

B. the number of PSTN connections needed

C. the number of public IP addresses available

D. the amount of rack space in the equipment rack

E. the amount of power that is available to support new LAN switches

Answer: ADE

4. Ajax wants to ensure that their employees are safe and that they comply with the law. What are four general

E911 responsibilities of an enterprise telephony system? (Choose four.)

A. Enable PSAP call-back.

B. Initiate the update of ALI records.

C. Provide a detailed map of all ERLs.

D. Allow conferencing with internal security personnel.

E. Route calls to the appropriate point (on-net or off-net). F. Deliver appropriate calling party number digits to LEC.
Answer: ABEF

5. What are two conferencing guidelines for a single-site deployment? (Choose two.) A. Use hardware conferencing only for small deployments
B. If available, configure DSPs for flex-mode when there are multiple codec types in use.

C. Group any conferencing resources into MRGLs based on their location, to manage Call Admission Control.

D. Make certain that Meet-Me and Ad-Hoc conference resources each account for a minimum of 5% of the user base.
Answer: BD

6. Ajax needs to provide technical support outside of normal operating hours. They would like to deploy a small test call center to develop the skills necessary to provide phone, chat, and e-mail support. Ajax wants to start with five agents. Which two connection types would be applicable for use with the planned contact center? (Choose two.)
A. PRI B. CAS C. E&M D. QSIG E. POTS
Answer: AB

7. You have decided to use the MGCP signaling protocol for the PSTN gateway at Ajax. Which option is true regarding the use of a gatekeeper in their network?
A. One may be used for CAC.

B. One could be used for address resolution.

C. One may be deployed for both CAC and address resolution. D. A gatekeeper is not applicable in this situation.
Answer: D

8. Ajax has contacted its LEC to obtain an additional range of DIDs. Their current DID range is 555-6000 through

555-6999. The LEC can provide them with an additional range of numbers, 556-6000 through 556-6999. The LEC

is currently sending four digits inbound, so the two DID ranges overlap. What two things can be done to resolve this solution? (Choose two.)
A. Ask the LEC to send five digits.

B. Change internal calls to five-digit dialing.

C. Move to a six-digit dial plan to provide more dialing granularity for all extension numbers.

D. Contact an alternative carrier to see if it can provide a DID range that does not overlap with the current range. Answer: AB

9. Currently, Ajax is considering implementing an IP contact center for the technical support group. As an interim step, calls to the technical support group need to be distributed in a round-robin fashion. Can this be accomplished?
A. Yes, with route groups.

B. Yes, by using call pick-up groups. C. Yes, by implementing hunt groups.
D. Yes, by routing calls via an IVR unit.

E. No, Cisco Unified Contact Center is needed. Answer: C

10. The Ajax network coordinator is concerned that the IP phones can be targeted for malicious attack. When the security is designed for the IP telephony solution, which two methods can be used to help prevent malicious phone attacks? (Choose two.)
A. Ensure the PC port is disabled if a PC is not attached.

B. Isolate the IP phone VLANs from the PC data VLANs.

C. Ensure the IP phone firmware is validated with the Cisco Unified Communications Manager.

D. Ensure the Cisco Unified Communications Manager is configured to disable acceptance of GARP on IP

phones. Answer: BD

11. The Ajax server administrator is interested in determining how the Cisco Unified Communications Manager servers can be monitored and if the system has been compromised. Which two methods can be used to support these requirements and still maintain a high degree of security? (Choose two.)
A. Provide a uniform level of access to all operators, technicians, and system administrators.

B. Turn on event logging in all the Cisco Unified Communications Manager servers and regularly review event logs for the cluster.
C. Enable SNMP on all Cisco Unified Communications Manager servers and change the default community strings.
D. Enable SNMP for all the devices that support IP telephony in the Ajax network and change the default community strings.
E. Send all audit logs to a dedicated log server and filter the reports to view only critical and fatal events. Answer: BC

12. Which four attributes must be considered when designing a secure IP telephony solution? (Choose four.)

A. protection of voice at Layer 2

B. placement of application layer gateways

C. number and sizing of output queue thresholds

D. stateful inspection of all packets on the corporate intranet

E. creation and assignment of VLANs and broadcast domains

F. implementation of packet filters and the establishment of firewalls

Answer: ABEF

13. Which three technologies will allow you to design a solution for protecting voice at Layer 2? (Choose three.)

A. internal VPNs B. IP source guard C. DHCP snooping
D. RFC 1918 addressing

E. secure ARP detection

F. locally administered MAC addresses

Answer: BCE

14. Which four methods can be used to protect IP phones? (Choose four.)

A. Use a firewall with the Cisco Unified Communications Manager cluster to prevent attacks from inside and outside the organization.
B. Dedicate a TFTP server for each voice network segment. C. Prevent/Restrict/Disable GARP.
D. Disable the Settings button. E. Disable the PC port.
F. Use signed loads. Answer: CDEF

15. The Network and Telecom managers are concerned about voice and critical data traffic overwhelming the IP WAN circuit and causing unacceptable delays and poor call quality. Which Call Admission Control mechanism should you plan to deploy for this deployment?
A. RSVP

B. Locations

C. Regions

D. Gatekeeper-based trunks E. MPLS with RSVP Answer: B

16. With the integration of Best into Ajax, the traffic patterns in both of the companies have changed, including

the traffic over the WAN. The new traffic patterns dictate that a T1 circuit is needed. You calculate that data will consume 60% of the available L3 bandwidth on the T1 circuit. Using best practices, what is the maximum number
of voice calls that should be placed between Redmond and the HQ campus without using header compression?

A. 9

B. 17

C. 19

D. 23

E. 26

F. 32

G. 35

Answer: C

17. Which problem occurs if a user from the remote facility located in Redmond is temporarily assigned to the

Ajax Headquarters site, the user takes their IP phone and uses it there, and device mobility is not enabled?

A. Every internal call placed by the user will cross the WAN to the Redmond gateway to be routed correctly.

B. Every call received by the user will first traverse the WAN link and be rerouted by the Redmond gateway.

C. Every on-net call placed by the user will reduce the available WAN voice bandwidth, except calls to Redmond.

D. There is no problem. The phone will register with the same Cisco Unified Communications Manger subscriber

as before and operate correctly. Answer: C

18. There may be times when the IP WAN is out of capacity. What Cisco Unified Communications Manager technology should be deployed so that calls will not cross the WAN when the WAN is at full capacity?
A. AAR B. ARC C. CAC
D. NEHO E. TEHO Answer: C

19. There may be times when the IP WAN is out of capacity. What Cisco Unified Communications Manager technology should be deployed so that calls can be completed when the WAN is at full capacity?
A. AAR B. ARC C. CAC
D. NEHO E. TEHO

Answer: A

20. In the centralized call processing model, what is a disadvantage of using the traditional approach for building classes of service (as compared to the line/device approach)?
A. The minimum number of partitions = (number of classes of service) + (number of sites) + (1 partition for all IP

phone DNs)

B. The maximum number of calling search spaces = (number of classes of service) + (number of sites)

C. The minimum number of partitions = (number of classes of service) * (number of sites) + (1 partition for all IP

phone DNs)

D. The maximum number of calling search spaces = (number of classes of service) * (number of sites) Answer: C

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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

Question: 1
Consider the following customer attributes and choose the correct IP telephony call processing model:

- A large campus that spans two PSAP areas
- A single group of buildings connected via fiber optics
- Data VPNs that support multiple contractors and suppliers
- A fully developed three-tier network hierarchy
- Connectivity to two different service providers for Internet access

A. Single-site call processing B. Centralized call processing C. Hybrid call processing
D. Distributed call processing
Answer: A Question: 2
What information is relevant to choosing an IP telephony centralized call processing model?

A. Multiple PRIs to the PSTN
B. A campus of six buildings connected via an ATM backbone
C. Three small regional sales offices located in the three Western time zones
D. Centralized order processing, shipping, and billing for all customer products
E. Connectivity to a single service provider that hosts the company web site and provides for
Internet access
F. A single six-story building with an IDF on each floor and an MDF in the computer room on the second floor
Answer: C Question: 3
In a TDM PBX to Cisco Unified Communications Manager migration, which three things must be verified from the LAN perspective before IP telephony can be deployed? (Choose three.)

A. The type of wiring in the office
B. The number of PSTN connections needed
C. The number of public IP addresses available
D. The amount of rack space in the equipment rack
E. The amount of power that is available to support new LAN switches
Answer: A, D, E Question: 4
The intanet will have three VLAN types to support voice and data traffic; one type for voice, one type for data, and one type for the Cisco Unified Communications Manager cluster. How should
inter-VLAN connectivity by deployed? Drag and drop the type of connectivity to each type of connection. Types of connections may be used more than once.

Page 1 of 24

Exam Name: Unified Communications Architecture and Design
Exam Type: Cisco
Exam Code: 642-415 Total Questions: 58

Answer:

Question: 5
Ajax wants to ensure that their employees are safe and that they comply with the law. What are four general E911 responsibilities of an enterprise telephony system? (Choose four.)

A. Enable PSAP call-back.
B. Initiate the update of ALI records.
C. Provide a detailed map of all ERLs.
D. Allow conferencing with internal security personnel.
E. Route calls to the appropriate point (on-net or off-net). F. Deliver appropriate calling party number digits to LEC.
Answer: A, B, E, F Question: 6
What are two conferencing guidelines for a single-site deployment? (Choose two.)

A. Use hardware conferencing only for small deployments
B. If available, configure DSPs for flex-mode when there are multiple codec types in use.
C. Group any conferencing resources into MRGLs based on their location, to manage Call
Admission Control.

Page 2 of 24

Exam Name: Unified Communications Architecture and Design
Exam Type: Cisco
Exam Code: 642-415 Total Questions: 58

D. Make certain that Meet-Me and Ad-Hoc conference resources each account for a minimum of
5% of the user base.
Answer: B, D Question: 7
Ajax needs to provide technical support outside of normal operating hours. They would like to deploy a small test call center to develop the skills necessary to provide phone, chat, and e-mail
support. Ajax wants to start with five agents. Which two connection types would be applicable for
use with the planned contact center? (Choose two.)

A. PRI B. CAS C. E&M D. QSIG E. POTS
Answer: A, B Question: 8
Indicate whether T1s orE1s are available in your area. (Note: If both are available, choose the one with which you are most familiar.)

A. T1
B. E1

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Exam Number/Code: 642-414
Exam Name: IP Communications Telephony Design Exam (IPTD)
VUE Code: 642-414
Questions Type: Single choice, Multiple choice, Simulate,
Question Numbers of Real-exam: 35-45 questions

“IP Communications Telephony Design Exam (IPTD)”, also known as 642-414 exam, is a Cisco certification.
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Questions and Answers : 96 Q&As
Updated: May 2nd , 2008
Market Price: $119.99
Member Price: $89.99
The IP Telephony Design exam tests the candidate’s ability to design IP voice facilities over an IP network. This includes the best practices and recommendations of the Solutions Reference Network Design Guide (SRND) for IP Telephony for both the design of new and migrated networks. The expected result is network planners and designers can design Enterprise single-site and multi-site IP Telephony deployments.
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Exam Number/Code: 642-415
Exam Name: Unified Communications Architecture and Design
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1. Which of the following best describe the customer benefits of change management in the operate phase?

A. reduce unnecessary disruption, delays, rework, and other problems by establishing test cases for use in verifying that the system meets operational, functional, and interface requirements
B. improve its ability to make sound financial decisions by developing a business case based on its business requirements and establishing a basis for developing a technology strategy
C. reduce operating costs and limit change-related incidents by providing a consistent and efficient set of processes
D. improve the return on investment and hasten migration by identifying and planning for necessary infrastructure changes and resource additions, as well as reduce deployment costs by analyzing gaps early in the planning process to determine what is needed to support the system
Answer: C

2. Which of these is the best definition of the Cisco Lifecycle Services approach?

A. It defines the minimum set of services required to successfully deploy and operate a set of Cisco technologies.

B. It determines how best to price Cisco products.

C. It provides partners with a useful way to leverage Cisco resources. D. It consists of these phases: plan, deploy, support, and troubleshoot. Answer: A

3. What two types of telephony interfaces are used for PSTN connectivity? (Choose two.) A. Digital
B. Optical C. Analog D. CDMA
Answer: AC

4. Which statement correctly describes the keyswitch model of deployment for call processing? A. All IP Phones are able to answer any incoming PSTN call on any line.
B. PSTN calls are routed through a receptionist or automated attendant. C. All IP Phones in the system have a single unique extension number. Answer: A

TestInside 642-383

5. Which definition best describes the implementation service component within the implement phase?

A. providing a step-by-step plan that details the installation and service-commission tasks required in order to create a controlled-implementation environment that emulates a customer network
B. assessing the ability of site facilities to accommodate proposed infrastructure changes

C. developing and executing proof-of-concept tests, validating high-level infrastructure design, and identifying any design enhancements
D. installing, configuring, and integrating systems components based on an implementation plan developed in earlier phases
E. improving a customer’s infrastructure security system

Answer: D

6. A customer with a small enterprise network of 15 remote sites is trying to optimize its VPN by migrating some remote sites using Frame Relay connections to the Internet to using cable connections to the Internet. Minimizing costs is one of the customer’s highest priorities. Only a moderate amount of IP traffic is passing through the network, most of which is from the remote sites to the central site. IPSec should be used to provide VPN functionality and basic confidentiality is desired.

Based on the traffic patterns, which topology would be the easiest for this customer to set up and manage?

A. full mesh

B. partial mesh

C. point-to-multipoint D. hub-and-spoke Answer: D

7. How can the proper configuration of Voice Mail be tested at an end user’s IP phone? A. Press the “i” button.
B. Press the “Settings” button. C. Press the “Services” button. D. Press the “Messages” button.
Answer: D

TestInside 642-383

8. In what location is it recommended that the Cisco Catalyst 6500 Series WLSM be placed?

A. distribution layer

B. core layer

C. access layer

D. network management functional module

Answer: A

9. Which of these is an accurate list of Cisco Lifecycle Services phases?

A. initiation, planning, analysis, design, development, implementation, operations and maintenance

B. project planning, site assessment, risk assessment, solution selection and acquisition, testing, and operations

C. prepare, plan, design, implement, operate, and optimize

D. analysis, design, deployment, testing, implementation, and production

E. presales, project planning, development, implementation, operations testing, and operations sign-off

Answer: C

10. What port role assignment would you make for the Gigabit Ethernet port on the Cisco CE520 used in the

Smart Business Communications System? A. IP Phone and desktop
B. Cisco UC520

C. Cisco CE520

D. Cisco 871W Answer: B

“Unified Communications Architecture and Design”, also known as 642-415 exam, is a Cisco certification.
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With the complete collection of questions and answers, Pass4sure has assembled to take you through 58 Q&As to your 642-415 Exam preparation. In the 642-415 exam resources, you will cover every field and category in IP Communications helping to ready you for your successful Cisco Certification.
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Market Price: $125.99

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    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
Exam Description    Exam Topics    Recommended Training    Additional Resources
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
Recommended Training
Cisco Unified Communications Architecture and Design (UCAD) is the recommended training for this course

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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
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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

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