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CCDA : 640-861 Exam

Exam Number/Code: 640-861
Exam Name: CCDA
VUE Code: 640-861
Questions Type: Single choice, Multiple choice, Simulate,
Real Exam Question Numbers: 55-65 questions
Exam Language(s): English

“CCDA”, also known as 640-861 exam, is a Cisco certification.
Preparing for the 640-861 exam Searching 640-861 Test Questions, 640-861 Exam, 640-861 Dumps

With the complete collection of questions and answers Q&as with Expert Explanations, Pass4sure has assembled to take you through 198 questions to your 640-861 Exam preparation. In the 640-861 exam resources, you will cover every field and category in CCDA helping to ready you for your successful Cisco Certification.

The Designing Cisco Internetworking exam is the only exam required to achieve a CCDA (Cisco Certified Design Associate) certification.

QUESTION 26:
This is a *Testlet* – it contains 3 questions that relate to the scenario below (2 of 3):
PassGuide is a call center consulting company that has a large call center of its own.
PassGuide has been to busy with new business that the company has not moved
toward IP telephony, even while encouraging it for clients. The company has a basic
TDM network and wants to move toward a converged voice and data network.
When consulting with the decision makers, you find that they know that a
packet-switched network is a better solution but they cannot explain why.
What are two most likely business drivers for integrating voice and data networks?
(Choose two)
A. Voice has overtaken data as the primary traffic on voice networks.
B. Companies want to reduce WAN costs by migrating to voice networks that can carry
data.
C. The PSTN is sufficient for creating features but it cannot deploy them quickly enough.
D. Data, voice, and video cannot converge on the current PSTN structure.
E. The architecture that is built for voice is not flexible enough to carry data optimally
unless PRI circuits are used for aggregating BRI circuits for data.
F. The PSTN is effective for carrying data signals but VoIP does not transmit efficiently.
Answer: B, D
QUESTION 27:
This is a *Testlet* – it contains 3 questions that relate to the scenario below (3 of 3):
PassGuide is a call center consulting company that has a large call center of its own.
PassGuide has been to busy with new business that the company has not moved
toward IP telephony, even while encouraging it for clients. The company has a basic
640-861
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TDM network and wants to move toward a converged voice and data network.
When consulting with the decision makers, you find that they know that a
packet-switched network is a better solution but they cannot explain why.
Which are three independent layers of a converged packet-switches network?
(Choose three)
A. Open service application
B. Digital trunk subsystem
C. Open call control
D. Standards-based packet infrastructure
E. Common channel signaling complex
F. Open connection control
Answer: A, C, D
QUESTION 28:
PassGuide Technologies has a single location with headquarters in one office building
and three warehouses. Their customer base consists of 400 independent parts
resellers. The resellers connect through direct links to the PassGuide network to
access an ordering system. The servers and access routers connecting to the retail
outlets are on a separate Ethernet VLAN in the headquarters campus. The resellers
complain about poor response time when they connect to the ordering system.
PassGuide Technologies wants you to help them improve their network to increase
the performance of their customers’ connections to the ordering system.
What are two additional details about PassGuide ’s existing network needed for this
analysis? (Choose all that apply.)
A. The Router ACLs that provide security to the servers.
B. The bandwidth for the Internet connection.
C. Type of the connections to the resellers.
D. Utilization on the servers’ VLAN.
E. The number of users on the headquarters LAN.
Answer: C, D
Explanation:
Type of connection (Leased line, ISDN, Frame Relay) determines the response time.
Monitor the Server’s speed. Install more processing servers to reduce response time.
Incorrect Answers
A: ACLs provide filtering of packets. It will not improve response time.
B: Bandwidth determines type of link.
E: The headquarters LAN is not being accessed by the resellers. Therefore, the number
of users on it may not play critical role.
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QUESTION 29:
PassGuide was approached by the Minister of the Education Department, to start an
experiment in one of the public school districts since the government passed a Bill
that all schools are to comply with the Safe Schools Initiative.
The situation at the schools in this district is as follows:
The district has approximately 3000 students dispersed in the following manner:
- one high school, one junior high school and three grade schools.
All the phone calls to these schools are switched by a local telephone company’s
centrex switch after which it is routed to the appropriate school.
The schools are all fitted with fractional T1 Frame Relay and Cisco routers for
networking purposes. The users are on a switched 10/1/100 network utilizing Cisco
switched and Category 5 cable. The high school has the Internet access through an
Internet Service Provider which resides 35 miles away via a T1 Frame Relay. This
internet connection is shared with the other schools in the district.
Due to the Safe Schools Initiative, phones need to be put in each classroom. Though
the costs are astronomical and there are no facilities, the schools would also want to
install video in each school for video conferencing purposes and it will be a definite
aid in distance learning for the high school. ISDN PRI LINKS will be used to
connect the video partners.
In addition to the above, there is also the student information; that is stored on the
local servers and shared between the schools as learners graduate from elementary
to junior high to high school as well as transfers in and out of the district; that has
to be protected.
Why would you, the network administrator at PassGuide , suggest IP telephony to
this particular customer? (Choose all that apply.)
A. Voice, video and data run on the same physical media, namely, Cat5 cable.
B. Reduction of long distance charges by using VoIP.
C. Eliminate reliance on local provider for any future phone calls.
D. The cost of adding additional telephones is minimal.
E. All of the above.
Answer: A, D
Explanation:
A. In a converged network, voice, video and integrated data runs on the same physical
media.
D. The cost is reduced and minimized by requiring less from the telephone service
provider.
Incorrect:
B: Chapter 17, CCDA Exam Certification Guide:Page 435
The introduction of packet-voice technology allows the convergence of data and voice
networks — which lets companies save toll charges on voice telephone calls and reduce
their total cost of ownership by not having to build and operate networks for voice, video,
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and data. Long distances charges are reducedwhen the remote site is part of the IP
network. In this case, the schools are part of a local school district and any long distance
calls would not apply to this rule.
C: Calls that are placed between offices through the private voice network are called
on-net. If a user needs to place a call outside the private network, the call is routed to the
local PSTN. If the call is forwarded to the PSTN, it is called off-net. Because not all calls
are point to point the need for local company still exists.
QUESTION 30:
PassGuide was approached by the Minister of the Education Department, to start an
experiment in one of the public school districts since the government passed a Bill
that all schools are to comply with the Safe Schools Initiative.
The situation at the schools in this district is as follows:
The district has approximately 3000 students dispersed in the following manner:
- one high school, one junior high school and three grade schools.
All the phone calls to these schools are switched by a local telephone company’s
centrex switch after which it is routed to the appropriate school.
The schools are all fitted with fractional T1 Frame Relay and Cisco routers for
networking purposes. The users are on a switched 10/1/100 network utilizing Cisco
switched and Category 5 cable. The high school has the Internet access through an
Internet Service Provider which resides 35 miles away via a T1 Frame Relay. This
internet connection is shared with the other schools in the district.
Due to the Safe Schools Initiative, phones need to be put in each classroom. Though
the costs are astronomical and there are no facilities, the schools would also want to
install video in each school for video conferencing purposes and it will be a definite
aid in distance learning for the high school. ISDN PRI LINKS will be used to
connect the video partners.
In addition to the above, there is also the student information; that is stored on the
local servers and shared between the schools as learners graduate from elementary
to junior high to high school as well as transfers in and out of the district; that has
to be protected.
Why would you, the network administrator at PassGuide , suggest moving towards a
converged network to this particular customer?
(Choose all that apply.)
A. Cost savings by using a single cabling system for voice, video and data.
B. Reduction of long distance charges by making use of VoIP.
C. Can increase the number of phones without having to upgrade outside facilities.
D. Eliminate reliance on local provider for any future phone calls.
E. All of the above.
Answer: A, C