1. Refer to the exhibit. If ACL 150 identifies only voice traffic from network 192.168.10.0/24 and no other traffic, which queue will voice traffic from other networks use?
• high
• normal
• medium
• default
2. What is the primary goal of QoS?
• classification of traffic
• filtering and queuing voice traffic
• reducing bandwidth requirements
• providing priority service to selected traffic
3. An analysis of network protocols reveals that RTP and RTCP are being used. What uses these protocols?
• IDS
• VPN
• WLAN
• firewall
• real-time video
4. What two Cisco tools can be used to analyze network application traffic? (Choose two.)
• NBAR
• NetFlow
• AutoQoS
• Wireshark
• Custom Queuing
5. A company that has a traditional telephone system wants to convert to IP telephony. Which two factors should be considered for the design? (Choose two.)
• Digital communications systems have greater noise than analog systems when processing voice traffic.
• Voice-enabled routers or a server must be used for call control and signaling.
• Voice to IP conversions can cause router overhead.
• Power to the phones can be supplied through properly equipped patch panels or switches.
• The cost to combine voice and data VLANs can be a considerable amount.
6. Refer to the exhibit. After configuring QoS, a network administrator issues the command show queueing interface s0/1. What two pieces of information can an administrator learn from the output of this command? (Choose two.)
• queue traffic definitions
• priority list protocol assignments
• type of queuing being implemented
• number of packets placed in each queue
• queuing defaults that have been changed
• queuing has not been applied to this interface
7. What design strategy should be followed when designing a network that uses video on demand?
• implement the appropriate routing protocol to ensure that data segments arrive in order
• implement different QoS queues based on the type of video traffic being distributed
• install servers to store the data in a centrally located server farm
• configure queuing in the core routers to ensure high availability
8. When implementing QoS in traffic queues, what is the first step the designer should take to ensure that traffic is properly prioritized?
• define QoS policies
• define traffic classes
• determine traffic patterns
• identify traffic requirements
• identify networking equipment
9. What are two characteristics of voice over IP traffic? (Choose two.)
• Voice packets tend to be small.
• Voice packets must be processed in real time.
• Voice packets can effectively use TCP reliability features.
• Voice traffic can survive packet drops and retransmission delays.
• Voice packets must be converted to analog before being sent across the IP network.
• Voice packets automatically receive a higher priority value than other types of packets.
10. In network design, which technology can be implemented to prioritize traffic based on its importance and technical requirements?
• STP
• QoS
• RTP
• TCP
• VPN
11. Which two network applications are most affected by network congestion and delays? (Choose two.)
• IP telephony
• live video webcasts
• audio file downloads
• online banking services
• file archival and retrieval
12. A customer purchases tickets online and pays using a credit card, but the system goes down before the transaction is complete. What transaction type retains a record of this transaction after the system failure so that the customer will still receive the tickets and the credit card account will be debited accordingly?
• atomic
• consistent
• durable
• isolated
13. Which two traffic types are examples of external traffic flows? (Choose two.)
• A user in the IT department telnets to the core layer router.
• A user in marketing connects to the web server of a competitor.
• A user in the IT department telnets into the access layer switch.
• A user in the services department logs in to a web-based email program.
• A user in accounting connects to an FTP server that is connected to the access layer switch.
14. The design of an IP telephony system needs to meet the technical requirements to provide a connection to the PSTN as well as provide high-quality voice transmissions using the campus network. Which two elements directly affect the ability of the design to meet these requirements?(Choose two.)
• voice-enabled firewall
• PoE switches and patch panels
• redundant backbone connectivity
• voice-enabled router at the enterprise edge
• separate voice and data VLANs with QoS implemented
15. When implementing VoIP services, which two design considerations should be followed?(Choose two.)
• Confirm that network jitter is minimal.
• Use TCP to reduce delays and dropped packets.
• Establish priority queuing to ensure that large data packets are sent uninterrupted.
• Disable real-time protocols to reduce queuing strategy demands.
• Ensure that packet delays do not exceed 150 ms.
16. A company is considering adding voice and video to the data networks. Which two statements are true if voice and video are added? (Choose two.)
• PoE switches must be purchased.
• More UDP-based traffic flows will be evident.
• Response times will be increased even if QoS is implemented.
• QoS will most likely be implemented to prioritize traffic flows.
• VPNs will most likely be implemented to protect the voice traffic.
17. What are two things that a network designer can do to determine current and anticipated network traffic flows? (Choose two.)
• Survey end users to obtain customer input.
• Upgrade the Cisco IOS software in all networking devices to optimize traffic flow.
• Limit the analysis to host-to-server traffic because host-to-host traffic is unimportant.
• Run a network traffic analysis to determine which applications are in use and by whom.
• Conduct an inventory of all networking devices that includes model numbers and memory configurations
18. In addition to the technical considerations, what other major factor is used to evaluate the success of a network installation?
• final project costs
• maintenance costs
• user satisfaction
• statistics describing the performance of network devices
19. Which two major differences are associated with IP telephony when compared to traditional telephony that uses a PBX? (Choose two.)
• manages phones centrally
• utilizes centralized call routing
• creates peer-to-peer relationships between phones
• requires a separate infrastructure to support data transfer
• requires significant manual configuration when adding, moving, or changing phones
20. When QoS is implemented in a converged network, which two factors can be controlled to improve performance? (Choose two.)
• link speed
• delay
• packet routing
• jitter
• packet addressing
21. A database server is configured to purge all data that is 60 days old. Ten data items that are 60 days old are to be purged. However, there is a failure halfway through the transaction, and the entire transaction is voided. What type of transaction action occurred?
• atomic
• consistent
• durable
• isolated
22. Which two statements are characteristics of file transfer traffic flows? (Choose two.)
• RTP should be used.
• Traffic is predictable.
• Packets are small in size.
• Transfers are throughput intensive.
• Response-time requirements are low.
23. Several web and email servers have recently been installed as part of an enterprise network. The security administrator has been asked to provide a summary of security features that can be implemented to help prevent unauthorized traffic from being sent into or out of sensitive internal networks. Which three features should the security administrator recommend? (Choose three.)
• firewalls
• priority queuing
• access control lists
• intrusion detection systems
• DHCP
• 128-bit WEP
24. network design must minimize latency to support real-time streaming applications. Which two protocols enable control and scalability of the network resources and minimize latency by incorporating QoS mechanisms? (Choose two.)
• RTCP
• HSRP
• RSTP
• RTP
• RPC
25. Refer to the exhibit. The network design documents include requirements to prevent switching loops, to provide link-specific failover, and to provide Layer 3 recovery. Which two protocols would be needed to provide the support? (Choose two.)
• HDLC
• HSRP
• PPP
• RSTP
• VTP
26. Refer to the exhibit. Which option correctly matches the terms on top with its definition on the bottom?
• A=1, B=3, C=2, D=4
• A=2, B=1, C=4, D=3
• A=2, B=4, C=1, D=3
• A=3, B=2, C=4, D=1
• A=4, B=3, C=1, D=2
• A=4, B=2, C=3, D=1
27. Which technology provides a mechanism for implementing QoS at Layer 2?
• ToS
• CoS
• DSCP
• IP precedence
28. Which service can be provided by the NetFlow Cisco utility?
• network planning and mapping
• IDS and IPS capabilities
• peak usage times and traffic routing
• network billing and accounting application
• security and user account restrictions
• source and destination UDP port mapping
29. Which two items can be determined by diagramming internal traffic flow? (Choose two.)
• the type of ISP services needed
• the capabilities of end-user devices
• the areas where network congestion may occur
• the location of VPN servers used to connect teleworkers
• locations where high-bandwidth connections are required
But if you find the same answers for all the Module anywhere in the internet.
And if you have an Answers are correct 100% or if you find an answer, What is wrong in this blog. please send me. (Post in blog or Send Email )
Because,I will update the blog…
Thursday, June 13, 2013
CCNA Discovery 4 - Module 3 Exam Version 4.0 Designing and Supporting Computer Networks
1. A company is beginning to analyze their new Cisco IOS upgrade requirements. What is one of the
router components that a network administrator must consider when selecting a new Cisco IOS version?
• processor type
• storage space in NVRAM
• interfaces and modules to be supported
• compatibility of the bootstrap version with the new Cisco IOS software
2. During a site survey, the network designer noticed that people were accessing the company
wireless network from the parking lot. What should be done to stop the wireless signal from
radiating out into the parking lot?
• change the channel on the wireless AP
• connect the wireless AP to a firewall
• change the type of antenna attached to the AP
• move the wireless AP to a secure VLAN
• move the wireless AP to a port on a Layer 3 switch
3. Refer to the exhibit. What two items can be determined from the output? (Choose two.)
• R2 is a Cisco 2600 device.
• R2 has 22 MB of RAM installed.
• The version of the IOS is 12.3.
• Over 8 MB of NVRAM is installed.
• A new 36 MB IOS file can be installed on the device.
4. The new serial interface card for the router arrives and the network technician reads that it is hotswappable.
What does this mean?
• The card cannot be installed while the router is powered on because static discharge
could damage the card.
• The card cannot be installed until the router is powered off and completely cooled down.
• The card can be installed while the router is powered on if the router supports this technology.
• The card is a replacement and must be installed in the same slot as the card it is replacing.
5. In which section of the Network Design Requirements document would a network
consulting team detail names and IP addresses of important networking components and servers,
provide network diagrams and topologies, and define strengths and weaknesses of the network?
• network requirements
• project scope
• overall project goal
• state of the network
6. Refer to the exhibit. A network administrator issues the command shown to gain knowledge about
a poorly documented network. Which two pieces of information can the network administrator
discover from the command output? (Choose two.)
• One connected device has router capability.
• The entire network contains a total of five Cisco devices with CDP enabled.
• None of the directly connected network devices have been configured with an IP address.
• Device EDGE_2811 is connected to port Fast Ethernet 0/0 on device C3750-24_MDF.
• Five Cisco devices with CDP enabled are directly connected to device C3750-24_MDF
7. Refer to the exhibit. Which two actions improve the weaknesses of the topology shown, assuming
that each access layer segment is in its own subnet? (Choose two.)
• Implement redundant links to each server by adding additional NICs.
• Implement a reduntant link from all access layer switches to Admin, Dist, and Server Farm.
• Implement a backup firewall with a link to a secondary ISP and implement a redundant link to the DMZ.
• Implement reduntant links from the existing firewall to all access layer switches.
• Implement redundant links from the DMZ to Admin and Dist.
8. Refer to the exhibit. Based upon the Cisco IOS file naming convention, what is represented by
the value ipvoicek9 listed in the IOS filename?
• version
• file format
• feature set
• hardware platform
9. An employee at a company notices that the wireless signal strength indicator on his laptop
fluctuates from good to low. The network administrator decides to do a site survey of that area.
Which three factors need to be included in the survey? (Choose three.)
• type and model number of the WNIC of the laptop
• number of users in the area
• location of the AP
• list of MAC addresses filtered by the AP
• number of simultaneous applications running on the laptop of the employee
• location of walls and filing cabinets in the office
10. During a wireless site survey, a consultant is determining the hours of peak
usage and the estimated number of users in each location. The consultant is currently in what
step of the site survey process?
• the defining of customer requirements
• the identification of coverage areas
• the determining of preliminary AP locations
• the measurement of signal strength
11. A new Cisco IOS version has been copied into flash from a TFTP server. When a reload is issued
to upgrade the Cisco IOS, the router freezes part of the way through the loading process. What
could be the problem?
• There is enough flash but not enough RAM in the router.
• The new HWIC cards have not been installed yet.
• The TFTP server needs to be present during a reload.
• The new Cisco IOS should have been loaded into NVRAM.
• The new bootstrap version is not compatible with the original version on the router.
12. Which two items are objectives of a WLAN design site survey? (Choose two.)
• identify coverage areas
• determine primary AP locations
• determine what AP equipment should be purchased
• determine how many users will access the WLAN
• identify the bottleneck of the LAN infrastructure
13. What are two practices a network technician should follow when installing a new interface card in a router? (Choose two.)
• Be sure the interface card faceplate does not touch the chassis rear panel.
• Do not tighten the captive screws until the router has been powered on and recognizes the card.
• Store the blank faceplate inside the card slot to be used if the card is removed.
• Handle the interface card by the edges to avoid static discharge.
• Push the interface card into place until the edge connector is seated securely
14. An administrator wants to download a new Cisco IOS software version to the local router. Which
command performs this task?
• copy tftp flash
• copy flash run
• copy start tftp
• copy flash tftp
• copy tftp start
15. A network design project includes a review of the existing network. What is the purpose of this
phase of the project?
• eliminate the need for a site survey
• shorten the timeframe of the project
• lower the cost of the project by removing redundant links and devices
• determine if the number of applications used within the company can be reduced
• To determine what existing network devices require upgrades to meet the new
16. Refer to the exhibit. The top of the output shows the Cisco Feature Navigator regarding a Cisco
IOS image that the administrator wants to install on a router. Below it is the output from the show
version command for that router. Which statement is true regarding the capacity of the router to
run this Cisco IOS image?
• There is not enough DRAM and flash.
• There is enough DRAM and flash.
• There is enough DRAM but not enough flash.
• There is enough flash but not enough DRAM.
17. Refer to the exhibit. Which of the three Cisco IOS images shown will load into RAM?
• The router selects an image depending on the value of the configuration register.
• The router selects the third Cisco IOS image because it is the most recent IOS image.
• The router selects the second Cisco IOS image because it is the smallest IOS image.
• The router selects an image depending on the boot system command in the configuration.
• The router selects the third Cisco IOS image because it contains the advipservicesk9 image.
18. Which three pieces of information need to be considered when selecting the proper Cisco IOS
version for an upgrade? (Choose three.)
• processor ID
• interface type
• amount of DRAM
• bootstrap version
• device make and model
• size of system flash memory
19. Refer to the exhibit. The network administrator is attempting to install a new version of the IOS on
R2. Based on the exhibited output, what are two possible reasons that the transfer failed?(Choose two.)
• The administrator did not enable TFTP on R2.
• There is not enough flash available to store the new IOS.
• Connectivity between R2 and the TFTP server was not verified.
• The copy command was incorrectly entered.
• The administrator did not verify that the TFTP server is running.
20. The new network design for AnyCompany must include support of voice and video traffic. Before
upgrading, the network designer checks whether the existing devices can support the new
requirements. Which three items does the designer need to check? (Choose three.)
• number of routers and switches owned by AnyCompany
• routers that will support extra ASICs and WWICs
• size of DRAM and flash on each device
• routers that will support HWICs and VWICs
• system bootstrap version on each router and switch
• modules supported on the loaded Cisco IOS
21. Refer to the exhibit. A network designer has no documentation and is attempting to create a
logical diagram of the network using the output from show commands. What can be determined
from the output shown?
• The device with the ID of ISP is a router on the Internet.
• The attached switch is a VTP server in the Toronto domain.
• The designer cannot telnet to the attached switch.
• The Cisco router IOS supports enterprise-level voice and video technologies.
22. production router is reloaded and finishes with a Router> prompt. What three facts can be
determined? (Choose three.)
• POST occurred normally.
• The boot process was interrupted.
• There is not enough RAM or flash on this router.
• A full version of the Cisco IOS was located and loaded.
• A configuration file was not located in NVRAM or from a TFTP server.
• The router did not locate the Cisco IOS in flash, so it defaulted to ROM.
23. Which two pieces of information does the network designer need to determine if the Cisco IOS of
a router requires an upgrade? (Choose two.)
• amount of NVRAM installed
• model number of the router
• number of interfaces and installed HWICs
• installed Cisco IOS feature set and version
• error statistics for each interface
24. It is important to identify the details of network sections and devices that will be affected or
involved in a new design. This information is included in which section of the Network Design
Requirements Document?
• Project Goal
• Project Scope
• Technical Requirements
• Current State of the Network
router components that a network administrator must consider when selecting a new Cisco IOS version?
• processor type
• storage space in NVRAM
• interfaces and modules to be supported
• compatibility of the bootstrap version with the new Cisco IOS software
2. During a site survey, the network designer noticed that people were accessing the company
wireless network from the parking lot. What should be done to stop the wireless signal from
radiating out into the parking lot?
• change the channel on the wireless AP
• connect the wireless AP to a firewall
• change the type of antenna attached to the AP
• move the wireless AP to a secure VLAN
• move the wireless AP to a port on a Layer 3 switch
3. Refer to the exhibit. What two items can be determined from the output? (Choose two.)
• R2 is a Cisco 2600 device.
• R2 has 22 MB of RAM installed.
• The version of the IOS is 12.3.
• Over 8 MB of NVRAM is installed.
• A new 36 MB IOS file can be installed on the device.
4. The new serial interface card for the router arrives and the network technician reads that it is hotswappable.
What does this mean?
• The card cannot be installed while the router is powered on because static discharge
could damage the card.
• The card cannot be installed until the router is powered off and completely cooled down.
• The card can be installed while the router is powered on if the router supports this technology.
• The card is a replacement and must be installed in the same slot as the card it is replacing.
5. In which section of the Network Design Requirements document would a network
consulting team detail names and IP addresses of important networking components and servers,
provide network diagrams and topologies, and define strengths and weaknesses of the network?
• network requirements
• project scope
• overall project goal
• state of the network
6. Refer to the exhibit. A network administrator issues the command shown to gain knowledge about
a poorly documented network. Which two pieces of information can the network administrator
discover from the command output? (Choose two.)
• One connected device has router capability.
• The entire network contains a total of five Cisco devices with CDP enabled.
• None of the directly connected network devices have been configured with an IP address.
• Device EDGE_2811 is connected to port Fast Ethernet 0/0 on device C3750-24_MDF.
• Five Cisco devices with CDP enabled are directly connected to device C3750-24_MDF
7. Refer to the exhibit. Which two actions improve the weaknesses of the topology shown, assuming
that each access layer segment is in its own subnet? (Choose two.)
• Implement redundant links to each server by adding additional NICs.
• Implement a reduntant link from all access layer switches to Admin, Dist, and Server Farm.
• Implement a backup firewall with a link to a secondary ISP and implement a redundant link to the DMZ.
• Implement reduntant links from the existing firewall to all access layer switches.
• Implement redundant links from the DMZ to Admin and Dist.
8. Refer to the exhibit. Based upon the Cisco IOS file naming convention, what is represented by
the value ipvoicek9 listed in the IOS filename?
• version
• file format
• feature set
• hardware platform
9. An employee at a company notices that the wireless signal strength indicator on his laptop
fluctuates from good to low. The network administrator decides to do a site survey of that area.
Which three factors need to be included in the survey? (Choose three.)
• type and model number of the WNIC of the laptop
• number of users in the area
• location of the AP
• list of MAC addresses filtered by the AP
• number of simultaneous applications running on the laptop of the employee
• location of walls and filing cabinets in the office
10. During a wireless site survey, a consultant is determining the hours of peak
usage and the estimated number of users in each location. The consultant is currently in what
step of the site survey process?
• the defining of customer requirements
• the identification of coverage areas
• the determining of preliminary AP locations
• the measurement of signal strength
11. A new Cisco IOS version has been copied into flash from a TFTP server. When a reload is issued
to upgrade the Cisco IOS, the router freezes part of the way through the loading process. What
could be the problem?
• There is enough flash but not enough RAM in the router.
• The new HWIC cards have not been installed yet.
• The TFTP server needs to be present during a reload.
• The new Cisco IOS should have been loaded into NVRAM.
• The new bootstrap version is not compatible with the original version on the router.
12. Which two items are objectives of a WLAN design site survey? (Choose two.)
• identify coverage areas
• determine primary AP locations
• determine what AP equipment should be purchased
• determine how many users will access the WLAN
• identify the bottleneck of the LAN infrastructure
13. What are two practices a network technician should follow when installing a new interface card in a router? (Choose two.)
• Be sure the interface card faceplate does not touch the chassis rear panel.
• Do not tighten the captive screws until the router has been powered on and recognizes the card.
• Store the blank faceplate inside the card slot to be used if the card is removed.
• Handle the interface card by the edges to avoid static discharge.
• Push the interface card into place until the edge connector is seated securely
14. An administrator wants to download a new Cisco IOS software version to the local router. Which
command performs this task?
• copy tftp flash
• copy flash run
• copy start tftp
• copy flash tftp
• copy tftp start
15. A network design project includes a review of the existing network. What is the purpose of this
phase of the project?
• eliminate the need for a site survey
• shorten the timeframe of the project
• lower the cost of the project by removing redundant links and devices
• determine if the number of applications used within the company can be reduced
• To determine what existing network devices require upgrades to meet the new
16. Refer to the exhibit. The top of the output shows the Cisco Feature Navigator regarding a Cisco
IOS image that the administrator wants to install on a router. Below it is the output from the show
version command for that router. Which statement is true regarding the capacity of the router to
run this Cisco IOS image?
• There is not enough DRAM and flash.
• There is enough DRAM and flash.
• There is enough DRAM but not enough flash.
• There is enough flash but not enough DRAM.
17. Refer to the exhibit. Which of the three Cisco IOS images shown will load into RAM?
• The router selects an image depending on the value of the configuration register.
• The router selects the third Cisco IOS image because it is the most recent IOS image.
• The router selects the second Cisco IOS image because it is the smallest IOS image.
• The router selects an image depending on the boot system command in the configuration.
• The router selects the third Cisco IOS image because it contains the advipservicesk9 image.
18. Which three pieces of information need to be considered when selecting the proper Cisco IOS
version for an upgrade? (Choose three.)
• processor ID
• interface type
• amount of DRAM
• bootstrap version
• device make and model
• size of system flash memory
19. Refer to the exhibit. The network administrator is attempting to install a new version of the IOS on
R2. Based on the exhibited output, what are two possible reasons that the transfer failed?(Choose two.)
• The administrator did not enable TFTP on R2.
• There is not enough flash available to store the new IOS.
• Connectivity between R2 and the TFTP server was not verified.
• The copy command was incorrectly entered.
• The administrator did not verify that the TFTP server is running.
20. The new network design for AnyCompany must include support of voice and video traffic. Before
upgrading, the network designer checks whether the existing devices can support the new
requirements. Which three items does the designer need to check? (Choose three.)
• number of routers and switches owned by AnyCompany
• routers that will support extra ASICs and WWICs
• size of DRAM and flash on each device
• routers that will support HWICs and VWICs
• system bootstrap version on each router and switch
• modules supported on the loaded Cisco IOS
21. Refer to the exhibit. A network designer has no documentation and is attempting to create a
logical diagram of the network using the output from show commands. What can be determined
from the output shown?
• The device with the ID of ISP is a router on the Internet.
• The attached switch is a VTP server in the Toronto domain.
• The designer cannot telnet to the attached switch.
• The Cisco router IOS supports enterprise-level voice and video technologies.
22. production router is reloaded and finishes with a Router> prompt. What three facts can be
determined? (Choose three.)
• POST occurred normally.
• The boot process was interrupted.
• There is not enough RAM or flash on this router.
• A full version of the Cisco IOS was located and loaded.
• A configuration file was not located in NVRAM or from a TFTP server.
• The router did not locate the Cisco IOS in flash, so it defaulted to ROM.
23. Which two pieces of information does the network designer need to determine if the Cisco IOS of
a router requires an upgrade? (Choose two.)
• amount of NVRAM installed
• model number of the router
• number of interfaces and installed HWICs
• installed Cisco IOS feature set and version
• error statistics for each interface
24. It is important to identify the details of network sections and devices that will be affected or
involved in a new design. This information is included in which section of the Network Design
Requirements Document?
• Project Goal
• Project Scope
• Technical Requirements
• Current State of the Network
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