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Cisco 642-071 Exam -

Free 642-071 Sample Questions:

1.Your customer asks you to design a voice mail only solution that works with the current network topology. They have 14,000 users on a UNIX-based e-mail platform.
All data servers, including the new Active Directory domain controllers you will be installing, are behind the company firewall. They want to place the Unity servers in the phone room with the TDM telephone system where there is no network access from behind the firewall.
Which statement is true?
A: This will not create any problems.
B: The Active Directory servers can be separated from the Unity servers.
C: You should have them supply access to the network from behind the firewall to the phone room for all the Unity servers.
D: You should have them supply access to the network from behind the firewall to the phone room for one of the Unity servers and set up that Unity server as the firewall bridgehead for the rest of the Unity servers.
Answer: C

2.Your customer has a fully distributed message store environment across WAN links that run at 256k. There are 500 subscribers in each physical site. There are five sites and four of them maintain mail stores. Cisco Unity design requirements state that at a minimum you must have how many Unity servers?
A: 2
B: 4
C: 5
D: 8
Answer: B

3.A customer maintains a wholly centralized electronic messaging environment in a single data center, physically located in Denver. The customer uses Microsoft Exchange exclusively, and at this time has a distributed, Cisco CallManager environment consisting of three separate clusters. These clusters support the Denver data center plus three large remote sites in Colorado Springs, Boulder, and Montrose.
The customer's plans call for moving from their centralized, 10 year old Legacy voice mail system to a Unified Messaging system. You offer Cisco Unity as a potential solution.
Given the customer's topology for call processing and messaging, what is your recommendation?
A: You recommend centralized and distributed Unity servers. There are many choices available to you because of the inherent call processingn flexibility built into a pure Cisco CallManager design. You recommend a hybrid solution to demonstrate to the customer the flexibility of the product.
B: You cannot provide an initial design at this time. The customer's need for three Cisco CallManager clusters has brought the design process to a standstill. You MUST go back and convince the customer to fully collapse the CallManager clusters for Cisco Unity to fit into their environment.
C: You recommend centralized Unity systems. Unity MUST reside as physically close as possible to the message stores it will be servicing. Also, since Cisco Unity servers are capable of servicing more than one Cisco CallManager cluster, you decide to offer a centralized messaging and distributed call processing design.
D: You recommend distributed Unity systems. Unity MUST reside as physically close as possible to the CallManager clusters, and Cisco Unity servers MUST maintain a one-to-one relationship to the number of Call Manager clusters in the design. At a minimum, you must provide a three Cisco Unity solution, and they must be distributed to physically mirror the layout of the Cisco CallManager topology.
Answer: C

4.You meet with a customer who is currently collapsing their IBM/Lotus Notes environment from a multi-site, distributed layout to a single data center in Indianapolis. With offices across the United States, (35 of them), and a distributed mix of Legacy non-networked PBXs, you have a very complex environment to try and onverge.
The customer also maintains a wholly distributed Legacy voice mail environment, but wants to treat the data center as a completely new installation with no existing infrastructure with regard to voice mail, and as such is very flexible with voice mail migration options.
When you explain some of the potential technical options given their existing environment, they agree that a Cisco CallManager/Cisco Unity solution is optimal. They have a limited budget this fiscal year, and need to slowly move from this distributed PBX/Electronic Messaging layout to a Cisco solution over the next two years.
What do you recommend to the customer?
A: You offer them centralized Unity for Exchange as a voice mail replacement, since their Notes infrastructure is distributed. Since Unity for Domino CANNOT fit in this environment for a number of reasons, this is their only option.
B: You cannot help them today, since moving slowly will not work given the need to perform ip and replace of PBXs at each of the remote sites. Unity simply cannot fit into their current environment. If they had the budget to perform ip and replace then you could help them.
C: You offer them distributed Unity servers on the edge, since Unity MUST reside as physically close as possible to the Legacy PBXs. You put the CallManager rollout on hold as well, until the customer has the funds necessary to support a ip and replace strategy for the Legacy PBX's. Distributed Unity servers will also be able to better support the migration strategy you know they need for their centralized voice mail servers. In your next meeting, you MUST discuss the voice mail replacement/migration strategy with the customer.
D: Since they are very flexible with the pathway you lead them to, you offer an initial centralized Unity server layout. Since they will be collapsing at least some of their PBX's to a CallManager layout, and they will be fully centralizing their Notes Messaging infrastructure, you have the initial Cisco Unity servers in the data center service those users who will be on the first round of migration from the legacy PBXs to the centralized CallManagers. Over time you will add Unity servers as needed to support the customer's timelines and budget. Cisco Unity can even support a pual PBX integration in the data center, if needed.
Answer: D

5.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. 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 on 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 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 storage groups on the Exchange 2000 clusters. However, there is not a single Exchange 2000 cluster that is dedicated to a remote location. All clusters have both local and remote users logically grouped on them.
During the planning phase, all Exchange 2000 clusters were found to have enough capacity to support 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 PBX 1, 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 clusters that have local users.
Answer: C

6.In all distributed messaging configurations, Unity must be collocated with CallManager first, so it will use the call processing deployment model first and then the messaging deployment model. How does this affect a customer if they collapse their distributed messaging configurations to a centralized model?
A: A centralized model will be satisfied with Unity collocated with either CallManager or the messaging servers.
B: All Unity servers are able to continue to run and physically remain in their present location even while the messaging servers are moved.
C: In any messaging deployment model, Unity must be collocated with the messaging systems and then consideration must be given to CallManager.
D: All Unity servers must be taken offline and remain in their present location while the messaging servers are moved from the remote locations to the centralized location.
Answer: C

7.Your customer has 9,000 users. They request that you configure a voice mail only solution. Without planning for the domain controllers and global catalog servers, what is the minimum number of Exchange servers you need on which to locate the users?
A: 1
B: 2
C: 3
D: 5
Answer: C

8.In a Cisco Unity voice messaging only configuration with failover, how many Exchange 2000 routing groups are needed if all Exchange 2000 servers are centralized into one data center, but all users are remotely connected?
A: You only need one routing group.
B: You need one routing group for each remote location.
C: It is more important to install Unity into the same Windows 2000 site and remote routing group.
D: It depends on how the remote users are connected to Unity. If they are using IMAP, they should be able to use any number of routing groups.
Answer: A

9.When installing Cisco Unity into a Lotus Domino messaging environment, one requirement is to install at least one Cisco Unity server per Domino _____.
A: site
B: domain
C: nsf group
D: routing group
Answer: B

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