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Exam : Cisco 642-414
Title : Cisco IP Telephony Design Exam


1. AMFAB Environmental Consulting (AMFAB), an environmental consulting company, based near Atlanta, Georgia, uses a PBX for its campus phone system. The PBX cannot support all the new features that AMFAB requires, so the company has decided to change its system from traditional TDM to IP telephony. The campus currently has approximately 922 users in three four-story office buildings, a single story R&D facility, and a scale building. It will be your job to determine what information is needed for the proper design of the company's converged network.
Which of these pieces of information must be addressed in the design of the IP telephony system for AMFAB? (Choose three)
A. The network is running at 45% of capacity at peak times.
B. They were given a cost estimate of $83,000.00 to upgrade their existing PBX to support IP.
C. They have entered into negotiations to purchase a small, 45 person consulting engineering firm that specializes in designing and installing lined lagoons and ponds.
D. The monthly cost of long distance is $14,000.00
E. Users complain that they receive a fast busy when trying to dial out to the PSTN during the middle of the day.
Answer: ACE

2. This area is intentionally left blank
From the following list of customer attributes, choose the correct IP telephony call processing model:
-A large campus that spans multiple PSAP areas.
-A single group of buildings each with its own computer room.
A. single-site call processing
B. centralized call processing
C. hybrid call processing
D. distributed call processing
Answer: A

3. Form the following list, select the information that is relevant to choosing an IP telephony single-site call processing model. (Choose two.)
A. VPN connectivity to contractors and suppliers
B. dual connectivity to service providers for Internet access and multiple PRLs to the PSTN
C. no remote offices or campuses
D. all external calls use the PSTN
E. corporate HQ with multiple regional sales offices
F. a single 6-story building with an IDF on each floor and an MDF in the computer room on the second floor
Answer: CF

4. From the following list, select the information that is relevant to choosing an IP telephony centralized call processing model.
A. a single 6-story building with an IDF on each floor and an MDF in the computer room on the second floor
B. three small regional sales offices located in the three Western time zones
C. Ccentralized order processing, shipping, and billing for all customer products
D. connectivity to a single service provider that hosts the company web site and provides for Internet access
E. multiple PRIs to the PSTN
F. a campus of six buildings connected via an ATM backbone
Answer: B

5. You are in a meeting with the AMFAB telephony services manager and the data network manager.
What information do you need to obtain to assist you in the design of the IP telephony solution? (Choose four.)
A. bandwidth available to connect to the Internet
B. the number of phones that have DID
C. the number of servers supporting the R&D facility
D. what type of dialing plan is deployed at AMFAB
E. which group of users contributes the most traffic to the network
F. which group of users spends the most time on their phones
G. how the PBX is cabled from each MDF to each IDF and to each desk location
H. the measures AMFAB has implemented to secure the network
Answer: BDFG

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