IP Communications Cisco Unity Design aNetworking (CUDN)nd : 642-071 Exam The Cisco Unity Design and Networking exam is one of several requirements for the Cisco Unity Design Specialist certification.
Exam Number/Code: 642-071
Exam Name: IP Communications Cisco Unity Design aNetworking (CUDN)nd
VUE Code: 642-071
Questions Type: Single choice, Multiple choice, Simulate,
Real Exam Question Numbers: 55-65 questions
Exam Language(s): English
Exam Description Introduction
The Cisco Unity Design and Networking exam is one of several requirements for the Cisco Unity Design Specialist certification.
Exam Topics
The following information provides general guidelines for the content likely to be included on the exam. However, other related topics may also appear on any specific delivery of the exam.
Infrastructure Components Affecting Unity Design
Explain the impact of the Domino messaging environment upon a Unity design
Explain the impact of the Exchange messaging environment upon a Unity design
Explain the role of SQL 2000 as it is related to failover
Describe procedures for successful backups, remediation of security risks, supported antivirus tools, and for basic management of the solution
Large-Scale Voicemail-Only Designs
Identify the correct solution
Identify the relevance of capacity planning
Identify the redundancy issues
Identify the Unity Digital Networking issues
Identify the unified messaging migration path issues
Identify firewall constraint issues
Cisco Unity Deployment Models
Describe the physical location of Unity and the phone switch
Describe the importance of Unity Networking
Describe dial plan concepts
Describe bandwidth provisioning, codec selection, and SRST
Identify the components and technologies required to meet customer expectations
Designing a Unity Solution
Analyze the preliminary design proposal and material requirements to meet the organization’s expectations
Analyze the features currently used with voicemail and how they map to Unity capabilities, legacy voice mail usage, site surveys, and data gathering in order to meet the organization’s expectations
Customer Solutions
Design a Unity call processing system that could include directory handlers and call routing rules that meet the specific organizational needs
Voicemail Interoperability
Define the Active Directory schema requirements for a Voicemail Interoperable solution
Define what the VC is and how it is used in a voicemail mixed messaging interoperability scenario
Explain Voice Gateway requirements that impact Voicemail Interoperable solutions
Design a Unity Bridge Voicemail Interoperable solution
Apply the rules for Voice Profile for Internet Messaging v2 (VPIM v2)
Lab Objectives
Analyze a proposed design and determine what if anything should be added to or changed in the proposal to ease a future migration from voice mail only to unified messaging
Identify design elements to ensure voicemail access to a centralized Unity in case of a network outage
Identify which audio codec to use (G729, G711) for prompts and message record format
Identify how to use multiple directory handlers to limit directory search scope
Make bandwidth recommendations for a given number of branch office users
Design a Unity solution that incorporates dialing domains
Identify existing components that Unity will interact with, identify potential deployment models, and identify technical issues pertaining to a design
Identify the limits of directory synchronization
“IP Communications Cisco Unity Design aNetworking (CUDN)nd”, also known as 642-071 exam, is a Cisco certification.
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QUESTION 11:
A customer maintains a distributed Legacy voice mail and messaging
infrastructure. They also have a distributed call processing environment, consisting
of Legacy PBX gear they maintain a dual data center layout in Los Angeles and
Bakersfield, with two smaller remote branch offices in San Diego and El Centro.
One of their goals this fiscal year is to collapse their messaging environment into a
centralized topology, and gain increased return on investment by streamlining
processes and administration through their two data centers. They want to move
from their Legacy voice mail system to a Unified Messaging environment with Cisco
Unity.
You request a meeting with the customer to discuss options for collapsing their call
processing infrastructure as well. At this meeting, you find they cannot collapse
their Legacy call processing environment to centralized Cisco CallManager. They
must keep the Legacy PBX’s Functioning for at least two more years as stipulated in
their lease agreement.
Centralizing messaging is their first priority. You request all PBX type/release
information from the customer and you discover that their current PBX’s are fully
supported by Cisco Unity. The PBX’s are all from the same manufacturer, capable
of networking functions and can take care of MWI’s. 5-digit dialing is available
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from any phone in their network.
What is your recommendation to the customer?
A. You recommend centralized Unity servers. Unity MUST reside as close as possible to
the centralized mail stores it will be servicing. You can easily centralize the unity
connection to the local PBX’s, while servicing the remote branch office users at the same
time.
B. You recommend centralized AND distributed Unity servers. You can centralize at the
data centers and distribute to the edge. You MUST do this to meet the customers
requirements for transparent dialing throughout the entire organization, and to comply
with the 5 digit dial plan they have in place today.
C. You recommend distributed Unity servers. Unity MUST reside as close as possible to
the centralized mail stores. HOWEVER in case of 5 digit dialing, you MUST physically
place the Unity servers as close as possible to the remote branch users to be functional.
This requirement overrides the need to be close to the mail stores, and you must consider
in your design.
D. You recommend centralized Unity servers. Unity MUST reside as close as possible to
the centralized mail stores it will be servicing. You can easily centralize the Unity
connection to the PBX’s, while servicing the remote branch office users at the same time.
The only caveat you must discuss with the customer is the issue with the dual-switch?
cpabillity that Unity must leverage to simultaneously connect to CallManager and the
Legacy PBX’s in the remote sites.
Answer: A
QUESTION 12:
Exhibit
Which type of Cisco Unity deployment is shown in the exhibit?
A. localized call processing, branched messaging
B. centralized call processing, localized messaging
C. distributed call processing, distributed messaging
D. centralized call processing, centralized messaging
Answer: D
QUESTION 13:
Exhibit
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Given the information shown in the exhibit, what is the best solution for voice mail
access in the event of a WAN outage?
A. No access to voice mail can be provided until the WAN is restored.
B. Automated alternate route (AAR) can be configured to route incoming calls that were
forwarded to voice mail system.
C. Survival Remote Site Telephony can be configured to route incoming calls that were
forwarded to voice mail over PSTN back to the voice mail system.
D. Remote users’ calls are forwarded to the router where they can leave a message. When
the WAN is restored, the router the router forwards the message to the voice mail server.
Answer: C
QUESTION 14:
Exhibit
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In the exhibit, Cisco Unity is integrating with a PBX using SMDI integration.
Which deployment does the diagram in the exhibit represent?
A. centralized call processing
B. decentralized call processing
C. localized branch call processing
D. It is not a supported deployment.
Answer: A
QUESTION 15:
A customer has all their Exchange 2000 servers located in a centralized messaging
configuration at their headquarters (HQ), which also serves as their regional data
center as their regional data center. All e-mail users use Outlook, regardless of their
location.
The customer has two Legacy PBX’s that Unity can support located at the data
center. These Legacy PBX’s are used only by the users located at HQ. The remote
users use CallManager. The breakdown for the number of users of each system is:
Legacy PBX 1 = 6000 phones
Legacy PBX 2 = 5000 phones
CallManager Cluster = 6000 remote IP Phones
The Exchange 2000 servers are configured into Active-Active clusters and support
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18,000 mailboxes, with up to 3,000 mailboxes on each cluster. The customer will
allocate extra Exchange servers to support Unity.
The breakdown is:
Exchange 2000 cluster 1 = 3,000 mailboxes
Exchange 2000 cluster 2 = 3,000 mailboxes
Exchange 2000 cluster 3 = 2,000 mailboxes
Exchange 2000 cluster 4 = 2,500 mailboxes
Exchange 2000 cluster 5 = 1,000 mailboxes
Exchange 2000 cluster 6 = 3,000 mailboxes
Exchange 2000 cluster 7 = 3,000 mailboxes
Exchange 2000 cluster 8 = 1,000 mailboxes
All Exchange 2000 clusters are installed into the same Windows 2000 site and into
the same Exchange 2000 Admin group and routing group.
All users, regardless of whether they are local or remote are grouped on separate
databases in different Unified Messaging except for Exchange 2000 cluster 5. The
disk arrays used by this cluster were upgraded and now there is enough capacity to
support Unified Messaging.
The customer wants administration of all subscribers to be easy. They also want to
have a Unity server performing dual integration with Legacy PBX 2 and the
CallManager cluster.
Given this scenario, how many Unity servers are needed and how should they be
configured to support the eight Exchange 2000 clusters?
A. Unity can only support five Exchange 2000 clusters so you must have at least two
Unity servers. You can then connect one Unity server to one Legacy PBX and the
CallManager cluster and then connect the other Unity server to the other Legacy PBX.
B. You need four Unity servers and you need to set up a separate partner server for each
Unity server. You can then connect one Unity server to two Exchange 2000 clusters. Two
Unity servers can connect to Legacy PBX 1, one Unity server can connect to Legacy
PBX 2 and CallManager, and one Unity server can connect to CallManager.
C. You should have three 72-port Unity servers connected as follows: one Unity server
for Legacy PBX1, one Unity server for Legacy PBX 2 and CallManager, and one Unity
server for CallManager. Since the 6000 remote users are spread across all eight Exchange
2000 clusters, each Unity server should connect to all eight Exchange 2000 clusters and
one partner server should be used for all three Unity servers.
D. You should have three 72-port Unity servers connected as follows: one Unity server
for Legacy PBX1, one Unity server for Legacy PBX 2 and CallManager, and one Unity
server for CallManager. Since the 6000 remote users are spread across all eight Exchange
2000 clusters, only two Unity servers need to connect to all eight clusters. The third
Unity server only needs to connect to the four cluster that have local users.
Answer: C
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