Cisco 640-863 Exams Certification, Discount Cisco 640-863 Test Software On Store

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QUESTION 76
A stock brokerage firm is opening a new office in Melbourne. A dozen stock traders will require constant data access to exchanges all around the world. This access must be fast and without interruption. Which two features can help provide this level of service? (Select two)
A. CDP
B. IGRP
C. CoS
D. QoS
E. GoS
Correct Answer: CD
QUESTION 77
What are three valid methods of gathering information about an existing data network? (Choose three)
A. Perform an audit at packet level detail (PLD) and for carrier service guarantees.
B. Use organizational input.
C. Perform a network audit to gather more detailed information of the network.
D. Analyze the user-mapping of a running application.
E. Perform a traffic analysis.
F. Use reports that have the ability to measure metrics.
Correct Answer: CDE
QUESTION 78
Two different Certkiller networks are displayed below: The two networks shown in the diagram have very different traffic patterns, as illustrated by the black arrows. Network A has two departments organized in separate VLANs. Each department VLAN contains the servers and printers that are used by the department personnel. The only common resource used by both departments is the email server, located on a remote network. Network B also has two departments organized in separate VLANs. All of the applications used by both departments are located on common database servers. The common database servers are located in a server farm on a separate network from the users. Which three statements are true about the networks in this diagram? (Choose three)

A. Network A is designed to accommodate file transfers from other department servers on a frequent basis.
B. The design in Network B will require a higher performance Layer 3 switch.
C. Network B illustrates the 20/80 rule.
D. Network B is designed so that distribution layer switches concentrate users in their own VLANs.
E. Network A is designed to keep 80% of the traffic within the local workgroup.
F. Network A is designed to have 80% of the traffic pass through the Layer 3 switches.

Correct Answer: BCE
QUESTION 79
Which of the following features will you affect when you choose a codec in your network design to carry IP telephony? (Choose all that apply.)
A. Voice packet header size
B. Bandwidth necessary for voice calls
C. Voice quality
D. Silence packet handling
E. All of the above.
Correct Answer: BC QUESTION 80
You are the network administrator at Certkiller . You are planning trunk capacity for the Certkiller network.
You need to determine the number of circuits needed from a PBX to a converged network.
Which information would you require to make this decision? (Choose all that apply.)

A. Busy hour traffic.
B. The number of sites.
C. Blocking probability (GoS).
D. The number of users per site.
E. The average duration of a call.

Correct Answer: AC
QUESTION 81
To minimize expenses due to long distance charges, you designed a converged network to carry calls on-
net as close as possible to the destination.
Why can a VoIP call go off-net earlier that designed? (Choose two.)

A. The local voice gateway sends busy-back signal.
B. The Call Manager server is too busy to process the call in a usual manner.
C. The telephone user dials an access code.
D. Destination routing not properly setup on the local and remote gateways.

Correct Answer: AC
QUESTION 82
Which of the following will you cite as reasons why VoIP calls could go off-net earlier than designed when a converged network was configured to carry voice calls on-net as close as possible to the destination to minimize long distance charges? (Choose all that apply.)
A. destination routing not properly configured on both local gateways
B. local call manager server is too busy to process the call
C. local voice-gateway detects insufficient WAN bandwidth
D. the telephone user dials an access code
E. all of the above

Correct Answer: CD
QUESTION 83
A PBX is connected to a service provider that makes use of three ISDN PRI (T1) links and no other facility.
Non-Facility Associated Signaling (NFAS) is in use (only one signaling channel for all three PRI links) and
the tariff offering provides for the maximum number of voice channels.
What is the maximum number of voice calls that can be made simultaneously?

A. 69
B. 71
C. 72
D. 90
E. 92
F. 120

Correct Answer: B QUESTION 84
Study the exhibit below carefully:

Above is a converged voice and data network. This network is designed to carry voice calls on-net as
close a possible to the destination to reduce long distance charges.
Why is it that a VoIP call can go off-net earlier than designed? (Choose two)

A. The local voice gateway detects lack of bandwidth.
B. The destination routing is not configured on both local and remote gateways.
C. The telephone user dials an access code.
D. The local call manager server is too busy to process the call.

Correct Answer: AC
QUESTION 85
This is a *Testlet* – it contains 3 questions that relate to the scenario below (1 of 3):
Certkiller is a call center consulting company that has a large call center of its own.
Certkiller 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-switches network is a
better solution but they cannot explain why.
What are two key points to communicate that will help them understand this concept? (Choose two)

A. A packet-switches network enables more rapid development of new features and opens up application development.
B. Circuit-switches voice calls require a dedicated duplex 64-kbps connection between two telephones for the duration of the call.
C. The packet switching model is composed of three independent layers with open standard interfaces among them.
D. The open call control layer directs voice calls to the appropriate destinations in the packet infrastructure layer.
E. Packet-switches networking only uses bandwidth for voice when it is required.
F. While the circuit-based networks allow new features to be developed quickly, the packet-based network allows APIs to be developed, which enables applications to be developed more efficiently.

Correct Answer: AE
QUESTION 86
This is a *Testlet* – it contains 3 questions that relate to the scenario below (2 of 3):
Certkiller is a call center consulting company that has a large call center of its own.
Certkiller 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.

Correct Answer: BD
QUESTION 87
This is a *Testlet* – it contains 3 questions that relate to the scenario below (3 of 3):
Certkiller is a call center consulting company that has a large call center of its own.
Certkiller 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.
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

Correct Answer: ACD
QUESTION 88
Certkiller 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 Certkiller 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.
Certkiller 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 Certkiller ‘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.

Correct Answer: CD
QUESTION 89
Certkiller 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 Certkiller , 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.

Correct Answer: AD
QUESTION 90
Certkiller 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 Certkiller , 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.

Correct Answer: AC
QUESTION 91
Certkiller 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 Certkiller , protect the learner records when in transit between schools and when being shared with other school districts over the Internet,for this particular customer?
A. Authenticate users
B. Employ dactyloscopy
C. Encrypt the data
D. Event Log all access attempts
E. All of the above.

Correct Answer: C
QUESTION 92
Certkiller 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. Which means of protection of the servers that contain the learner information would you, the network administrator at Certkiller , suggest to this particular customer? (Choose all that apply.)
A. Encrypt VoIP call managers’ traffic to and fro.
B. Implement host-based security on the servers.
C. Make use of public-key cryptography.
D. Implement a firewall between the school network and the Internet.
E. All of the above.

Correct Answer: BD
QUESTION 93
Certkiller has a campus network with five buildings. All the Certkiller servers and the central core of the network are located in Building 1. A Catalyst 6500 multilayer switch connects to each of the other building through Gigabit Ethernet link over multimode fiber optic cable. Each building has a separate IP subnet with 300 to 500 devices in each. Certkiller users report some serious network performance problems. Periodically, response time becomes very slow and then increases again. The problem has been sporadic and very difficult to troubleshoot. Certkiller uses Microsoft 2000 and Sun Solaris servers and Windows 2000 workstations with default configurations. What change in network design would you recommend to improve performance?
A. Install a dual Gigabit Ethernet uplinks to the buildings.
B. Install a layer 3 switch on each subnet.
C. Use Single mode fiber optic cable for the Gigabit Ethernet uplinks to the buildings.
D. Implement multiple VLANs in each of the buildings

Correct Answer: D
QUESTION 94
The accounting department and sales at Certkiller .com, a medium-sized company, are complaining of
slow network response on a common network that uses RIPv1.
Traffic analysis shows excessive broadcast traffic.
Which network design change will improve network response time?

A. The addition of a bridge between the two departments
B. The segmentation of the network into separate VLANs.
C. A migration to IPv6.
D. A migration to EIGRP.
E. None of the above
Correct Answer: B
QUESTION 95

Certkiller .com has a campus network with five buildings. Building 1 contains all the Certkiller .com servers and the central core of the network. A Catalyst 6500 multilayer switch connects to each of the other buildings through Gigabit Ethernet links over multimode fiber optic cable. Each building has a single IP subnet with 300 to 500 devices in each. A network technician at Certkiller .com calls you and reports some serious network performance problems. Periodically, response times become very slow for several minutes at a time and then speeds up. The problem has been sporadic and very difficult to troubleshoot. Certkiller .com uses Microsoft Windows 2000 and Sun Solaris servers and Windows 2000 workstations with default configurations. What change in network design would you recommend to Certkiller .com to improve performance?
A. Install dual Gigabit uplinks to the buildings
B. Put a layer 3 switch in each building
C. Use single mode fiber for the gigabit uplinks
D. Implement multiple VLANs in each of the buildings

Correct Answer: D
QUESTION 96
Queue investigation reveals a number of drops per hour. Which two quantities,
when exceeded, suggest that network enhancement should be part of the design? (Choose two)

A. 5 output
B. 10 input
C. 50 input
D. 100 output
E. 100 input
F. 10 output

Correct Answer: BF
QUESTION 97
Excessive broadcasts can cause network problems. Which two statements are characteristic of data link layer broadcasts? (Select two)
A. Broadcasts are not forwarded by routers.
B. Broadcasts do not occur at Layer 3.
C. Broadcasts are restricted to ports with active, end-user devices.
D. Broadcasts can be controlled with the use of VLANs.
Correct Answer: AD
QUESTION 98
In which three places can a network design be verified and tested? (Choose three)
A. A live network
B. A pilot network
C. A prototype network
D. A design network
E. A trial network
F. A mock-up network

Correct Answer: BCE
QUESTION 99
Which three items should be included in a summary report that validates the findings of the information you have gathered when charactering a network? (Choose three)
A. Network services map
B. Network problems and drawbacks
C. Modularized network
D. Network features
E. Network applications map
F. Actions that support network requirements

Correct Answer: BDF
QUESTION 100
You are a network consultant. You are contracted by Certkiller to subnet their network. You want to
document the existing Certkiller network.
Which two Cisco router services can assist in documenting the existing network? (Choose all that apply.)

A. CDP
B. MRTG
C. NetMon
D. NetFlow
E. SNMP MIB compiler

Correct Answer: AD
QUESTION 101
You are a network administrator at Certkiller and have been instructed to present a network design document to Certkiller .com. Which of the following elements would you deem essential to show to the customer? (Choose all that apply.)
A. Proof of concept
B. Vendor availability
C. Design specifications
D. Organizational chart
E. Implementation plan
F. Data source

Correct Answer: ACE
QUESTION 102
Which of the following are essential sections of a network design document that need to be presented to Certkiller .com?
A. Design requirements.
B. The existing network.
C. Data sources.
D. A prototype network.
E. Technical justifications.

Correct Answer: ABE
QUESTION 103
One of the Certkiller customers has a very large Cisco network. To simplify matters for future
troubleshooting purposes, you need to document this network.
Following is a list of routers that are being used in the current network.
435 Cisco model 2600 routers 129 Cisco model 3600 routers 10 Cisco model 7500 routers Which of the
following items should be added to complete the documentation of these routers?

A. error statistics
B. software revisions
C. power requirements
D. interface options
E. event logs
F. management protocols

Correct Answer: BD
QUESTION 104
Yournewly appointed Certkiller trainee wants to which of the following are the main sources for documenting Certkiller .com’s requirements for a network design project What will your reply be? (Choose all that apply.)
A. network application specifications
B. interview with customer
C. conversations with resident IT staff
D. request for proposal (RFP)
E. diagram of desired network
F. network performance specifications

Correct Answer: BD
QUESTION 105
Your newly appointed Certkiller trainee wants to know which of the following items of information are most
relevant when documenting a company’s business requirements.
What will your reply be? (Choose all that apply.)

A. enhanced customer support
B. existing topologies
C. priority settings
D. projected growth
E. frequency of board meetings
F. all of the above
Correct Answer: AD

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