CISCO CCNA 4 Discovery 4.0 Chapter 3

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  • 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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any exhibits pictures will be there later no set time or limits on taking test. Very good way to study.

CISCO CCNA 4 Discovery 4.0 Chapter 3 - Quiz
Questions and Answers
  • 2. 

    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

    Correct Answer(s)
    A. Model number of the router
    A. Installed Cisco IOS feature set and version
    Explanation
    To determine if the Cisco IOS of a router requires an upgrade, the network designer needs to consider the model number of the router as different models may have different requirements for the IOS upgrade. Additionally, they need to know the installed Cisco IOS feature set and version to compare it with the latest available version and determine if an upgrade is necessary. The amount of NVRAM installed, number of interfaces and installed HWICs, and error statistics for each interface are not directly related to determining the need for an IOS upgrade.

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  • 3. 

    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

    Correct Answer(s)
    A. Amount of DRAM
    A. Device make and model
    A. Size of system flash memory
    Explanation
    When selecting the proper Cisco IOS version for an upgrade, three pieces of information need to be considered: the amount of DRAM, the device make and model, and the size of the system flash memory. The amount of DRAM is important because different IOS versions have different memory requirements. The device make and model is crucial because not all IOS versions are compatible with all devices. The size of the system flash memory is significant because the IOS image needs to fit within the available flash memory space.

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  • 4. 

    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

    Correct Answer(s)
    A. Handle the interface card by the edges to avoid static discharge.
    A. Push the interface card into place until the edge connector is seated securely
    Explanation
    When installing a new interface card in a router, it is important for a network technician to handle the interface card by the edges to avoid static discharge. This is because static electricity can damage the sensitive electronic components of the card. Additionally, the technician should push the interface card into place until the edge connector is seated securely. This ensures proper connection and functionality of the card within the router.

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  • 5. 

    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.

    Correct Answer
    A. The card can be installed while the router is powered on if the router supports this technology
    Explanation
    The term "hotswappable" means that the card can be installed or removed from the router while it is powered on, without causing any damage to the card or disrupting the operation of the router. This is possible if the router supports this technology, which allows for the safe insertion and removal of hardware components while the system is running.

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  • 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

    Correct Answer(s)
    A. One connected device has router capability.
    A. Five Cisco devices with CDP enabled are directly connected to device C3750-24_MDF
    Explanation
    From the command output, the network administrator can discover that one connected device has router capability because it shows that Device EDGE_2811 is connected to port Fast Ethernet 0/0 on device C3750-24_MDF. Additionally, the output also reveals that five Cisco devices with CDP enabled are directly connected to device C3750-24_MDF.

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  • 7. 

    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.

    Correct Answer
    A. The router selects an image depending on the boot system command in the configuration
    Explanation
    The correct answer is that the router selects an image depending on the boot system command in the configuration. This is because the boot system command specifies the location of the IOS image that the router should load into RAM during the boot process. By configuring the boot system command, the network administrator can choose which IOS image the router should load.

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  • 8. 

    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

    Correct Answer
    A. Copy tftp flash
    Explanation
    The correct command to download a new Cisco IOS software version to the local router is "copy tftp flash". This command copies the software from a TFTP server to the flash memory of the router.

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  • 9. 

    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.

    Correct Answer
    A. There is not enough DRAM and flash
    Explanation
    Based on the exhibit and the output from the show version command, it can be inferred that the router does not have enough DRAM and flash to run the Cisco IOS image. The exhibit shows that the minimum required DRAM for the image is 256 MB, but the router only has 128 MB of DRAM. Additionally, the exhibit shows that the minimum required flash for the image is 64 MB, but the router only has 32 MB of flash. Therefore, the statement "There is not enough DRAM and flash" is true.

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  • 10. 

    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

    Correct Answer(s)
    A. Identify coverage areas
    A. Determine primary AP locations
    Explanation
    A WLAN design site survey is conducted to identify coverage areas and determine primary access point (AP) locations. By identifying coverage areas, the survey helps in determining where the wireless network signal needs to be available. This ensures that there are no dead zones or areas with weak signal strength. Determining primary AP locations involves strategically placing APs in areas that provide optimal coverage and minimize interference. This helps in achieving a reliable and efficient WLAN network. The other options, such as determining AP equipment, number of users, and identifying LAN infrastructure bottlenecks, are not objectives of a WLAN design site survey.

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  • 11. 

    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.

    Correct Answer(s)
    A. Implement redundant links to each server by adding additional NICs.
    A. Implement a backup firewall with a link to a secondary ISP and implement a redundant link to the DMZ.
    Explanation
    The first action of implementing redundant links to each server by adding additional NICs improves the weaknesses of the topology by providing backup connections to the servers, ensuring high availability and reducing the risk of downtime. This allows for load balancing and fault tolerance.

    The second action of implementing a backup firewall with a link to a secondary ISP and a redundant link to the DMZ improves the weaknesses by providing redundancy in the network infrastructure. In case the primary firewall or ISP fails, the backup firewall and secondary ISP can take over, ensuring continuous network connectivity and security.

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  • 12. 

    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

    Correct Answer
    A. Interfaces and modules to be supported
    Explanation
    When selecting a new Cisco IOS version, a network administrator must consider the interfaces and modules that need to be supported. This is because different Cisco IOS versions may have different compatibility and support for specific interfaces and modules. It is important to ensure that the new IOS version can support and work with the existing hardware components in the network.

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  • 13. 

    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

    Correct Answer(s)
    A. Number of users in the area
    A. Location of the AP
    A. Location of walls and filing cabinets in the office
    Explanation
    The three factors that need to be included in the site survey are the number of users in the area, the location of the AP (access point), and the location of walls and filing cabinets in the office. The number of users in the area is important because it can affect the overall network performance and signal strength. The location of the AP is crucial as it determines the coverage area and signal distribution. The location of walls and filing cabinets in the office can cause interference and obstruct the wireless signal, so it is necessary to consider them during the survey.

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  • 14. 

    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

    Correct Answer(s)
    A. Size of DRAM and flash on each device
    A. Routers that will support HWICs and VWICs
    A. Modules supported on the loaded Cisco IOS
    Explanation
    The network designer needs to check the size of DRAM and flash on each device to ensure they have enough memory to support voice and video traffic. They also need to check which routers will support HWICs and VWICs, as these modules are necessary for voice and video connectivity. Additionally, they need to verify the modules supported on the loaded Cisco IOS, as certain modules may be required for voice and video functionality.

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  • 15. 

    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.

    Correct Answer
    A. There is enough flash but not enough RAM in the router.
    Explanation
    The problem could be that there is enough flash memory to store the new Cisco IOS version, but there is not enough RAM in the router to properly load and run the upgraded software. This can cause the router to freeze during the loading process.

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  • 16. 

    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.

    Correct Answer
    A. The designer cannot telnet to the attached switch.
    Explanation
    The output shows that the Telnet line is marked as "disabled" for the attached switch. This indicates that the designer cannot establish a Telnet connection to the switch.

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  • 17. 

    A 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

    Correct Answer(s)
    A. POST occurred normally
    A. A full version of the Cisco IOS was located and loaded.
    A. A configuration file was not located in NVRAM or from a TFTP server.
    Explanation
    Based on the given information, we can determine that the POST (Power-On Self Test) occurred normally, indicating that the router hardware is functioning properly. Additionally, a full version of the Cisco IOS (Internetwork Operating System) was located and loaded, suggesting that the router has the necessary software to operate. However, a configuration file was not found in NVRAM (Non-Volatile Random Access Memory) or from a TFTP (Trivial File Transfer Protocol) server, indicating that the router does not have a saved configuration.

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  • 18. 

    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

    Correct Answer
    A. Change the type of antenna attached to the AP
    Explanation
    To stop the wireless signal from radiating out into the parking lot, the network designer should change the type of antenna attached to the AP. By using a directional antenna instead of an omnidirectional antenna, the wireless signal can be focused in a specific direction, limiting its reach and preventing unauthorized access from the parking lot.

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  • 19. 

    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

    Correct Answer
    A. To determine what existing network devices require upgrades to meet the new
    Explanation
    The purpose of reviewing the existing network in a network design project is to determine what existing network devices require upgrades to meet the new requirements. This phase helps identify any outdated or incompatible devices that need to be replaced or upgraded in order to ensure the network can support the planned changes and improvements. It is important to assess the existing network to identify any potential bottlenecks or limitations that may hinder the successful implementation of the new design.

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  • 20. 

    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

    Correct Answer
    A. Feature set
    Explanation
    The value "ipvoicek9" listed in the IOS filename represents the feature set. Cisco IOS uses specific codes in the filename to indicate the features and capabilities of the software. In this case, "ipvoicek9" suggests that the IOS image is specifically designed for IP voice services, indicating the feature set of the software.

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  • 21. 

    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

    Correct Answer(s)
    A. R2 is a Cisco 2600 device.
    A. The version of the IOS is 12.3
    Explanation
    The first item that can be determined from the output is that R2 is a Cisco 2600 device. This can be inferred from the mention of R2 and the fact that it is identified as a Cisco 2600 device.

    The second item that can be determined from the output is the version of the IOS, which is 12.3. This can be inferred from the mention of the IOS version in the output.

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  • 22. 

    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

    Correct Answer
    A. The identification of coverage areas
    Explanation
    In this step of the site survey process, the consultant is determining the hours of peak usage and the estimated number of users in each location. This information helps in identifying the areas where wireless coverage is needed the most. By understanding the usage patterns and number of users, the consultant can plan the placement of access points to ensure adequate coverage and capacity in those areas.

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  • 23. 

     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

    Correct Answer(s)
    A. Connectivity between R2 and the TFTP server was not verified.
    A. The administrator did not verify that the TFTP server is running
    Explanation
    The transfer may have failed because the connectivity between R2 and the TFTP server was not verified. This means that there may be an issue with the network connection between the two devices, such as a cable being unplugged or a misconfiguration in the network settings. Additionally, the transfer may have failed because the administrator did not verify that the TFTP server is running. This means that the TFTP server may not be active or may have encountered an error, preventing the transfer of the new IOS.

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  • 24. 

    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

    Correct Answer
    A. State of the network
    Explanation
    In the "state of the network" section of the Network Design Requirements document, a network consulting team would detail names and IP addresses of important networking components and servers, provide network diagrams and topologies, and define strengths and weaknesses of the network. This section focuses on assessing the current state of the network and gathering information about its existing infrastructure, which includes identifying key components, documenting their configurations, and evaluating the network's performance and vulnerabilities.

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Quiz Review Timeline (Updated): May 24, 2023 +

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  • Current Version
  • May 24, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 27, 2012
    Quiz Created by
    PLZHelp

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