The Penultimate CCNA 2 Chapter 1

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The Penultimate CCNA 2 Chapter 1 - Quiz

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Questions and Answers
  • 1. 

    Which interfaces in the exhibit could be used for a leased line WAN connection? (Choose two.)

    • A.

      1

    • B.

      2

    • C.

      3

    • D.

      4

    • E.

      5

    • F.

      6

    Correct Answer(s)
    A. 1
    D. 4
    Explanation
    Interfaces 1 and 4 could be used for a leased line WAN connection. A leased line is a dedicated connection between two locations, and it requires a physical connection. Interfaces 1 and 4 are the only options provided in the exhibit, so they are the possible interfaces for a leased line connection.

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  • 2. 

    If a router cannot find a valid configuration file during the startup sequence, what will occur?

    • A.

      The statrup sequence will reset

    • B.

      The router will prompt the user for a response to enter setup mode

    • C.

      The startup sequence will halt until a valid configuration file is acquired.

    • D.

      The router will generate a default configuration file based on the last valid configuration.

    • E.

      The router will monitor local traffic to determine routing protocol configuration requirements.

    Correct Answer
    B. The router will prompt the user for a response to enter setup mode
    Explanation
    If a router cannot find a valid configuration file during the startup sequence, it will prompt the user for a response to enter setup mode. This means that the router will require the user to provide the necessary configuration settings manually in order to proceed.

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  • 3. 

    Refer to the exhibit. The network administrator has configured the router with the interface IP addresses shown for the directly connected networks. Pings from the router to hosts on the connected networks or pings between router interfaces are not working. What is the most likely problem?

    • A.

      The destination networks do not exist.

    • B.

      The IP addresses on the router interfaces must be configured as network addresses and not host addresses.

    • C.

      The interfaces must be enabled with the no shutdown command.

    • D.

      Each interface must be configured with the clock rate command.

    Correct Answer
    C. The interfaces must be enabled with the no shutdown command.
    Explanation
    The most likely problem is that the interfaces on the router are not enabled. The "no shutdown" command is used to enable an interface on a Cisco router. Without enabling the interfaces, the router will not be able to send or receive any traffic, resulting in the pings not working.

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  • 4. 

    Refer to the exhibit. What can be concluded from the routing table output in the exhibit? (Choose two.)

    • A.

      This router only has two interfaces.

    • B.

      The router interfaces are not operational yet.

    • C.

      This router is configured to forward packets to remote networks.

    • D.

      The FastEthernet0/0 and Serial0/0/0 interfaces of this router were configured with an IP address and the no shutdown command.

    • E.

      An IP packet received by this router with a destination address of 198.18.9.1 will be forwarded out of the Serial0/0/0 interface.

    Correct Answer(s)
    D. The FastEthernet0/0 and Serial0/0/0 interfaces of this router were configured with an IP address and the no shutdown command.
    E. An IP packet received by this router with a destination address of 198.18.9.1 will be forwarded out of the Serial0/0/0 interface.
    Explanation
    From the routing table output, it can be concluded that the FastEthernet0/0 and Serial0/0/0 interfaces of this router were configured with an IP address and the no shutdown command. This means that these interfaces are operational and ready to transmit data. Additionally, it can be concluded that an IP packet received by this router with a destination address of 198.18.9.1 will be forwarded out of the Serial0/0/0 interface.

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  • 5. 

    Refer to the exhibit. The frame shown in the exhibit was received by the router. The router interfaces are operational. How will the router process this frame? (Choose two.)

    • A.

      The router will change the source and destination IP address in the packet before forwarding the frame.

    • B.

      The router will change the frame type to one supported by the WAN link before forwarding the frame.

    • C.

      The router will use the destination MAC address to determine which interface to forward the packet.

    • D.

      The router will look up the MAC address of the S0/0/0 interface in the ARP table and add it to the frame before forwarding.

    • E.

      The frame was received on the Fa0/0 interface of the router and will be switched to the S0/0/0 interface.

    • F.

      The frame was received on the S0/0/0 interface of the router and will be switched to the Fa0/0 interface.

    Correct Answer(s)
    B. The router will change the frame type to one supported by the WAN link before forwarding the frame.
    E. The frame was received on the Fa0/0 interface of the router and will be switched to the S0/0/0 interface.
    Explanation
    The router will change the frame type to one supported by the WAN link before forwarding the frame. This is because different types of WAN links require different frame types for communication. The router will modify the frame to match the required frame type of the WAN link it is connected to.

    The frame was received on the Fa0/0 interface of the router and will be switched to the S0/0/0 interface. This is because the router uses the destination MAC address to determine which interface to forward the packet. The router will look at the destination MAC address in the frame and use it to determine the appropriate interface to forward the packet. In this case, the destination MAC address corresponds to the S0/0/0 interface, so the frame will be switched to that interface.

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  • 6. 

    Passwords can be used to restrict access to all or parts of the Cisco IOS. Select the modes and interfaces that can be protected with passwords. (Choose three.)

    • A.

      VTY interface

    • B.

      Console interface

    • C.

      Ethernet interface

    • D.

      Secret EXEC mode

    • E.

      Privileged EXEC mode

    • F.

      Router configuration mode

    Correct Answer(s)
    A. VTY interface
    B. Console interface
    E. Privileged EXEC mode
    Explanation
    Passwords can be used to restrict access to the VTY interface, console interface, and privileged EXEC mode. The VTY interface is used for remote access to the device, so setting a password for it ensures that only authorized users can connect remotely. The console interface is the physical connection to the device, so setting a password for it ensures that only authorized users can access the device directly. Privileged EXEC mode is the mode that allows users to make configuration changes, so setting a password for it ensures that only authorized users can make these changes.

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  • 7. 

     Which two statements correctly describe the components of a router? (Choose two.)

    • A.

      RAM permanently stores the configuration file used during the boot sequence.

    • B.

      ROM contains diagnostics executed on hardware modules.

    • C.

      NVRAM stores a backup copy of the IOS used during the boot sequence.

    • D.

      Flash memory does not lose its contents during a reboot.

    • E.

      ROM contains the most current and most complete version of the IOS.

    • F.

      Flash contains boot system commands to identify the location of the IOS

    Correct Answer(s)
    B. ROM contains diagnostics executed on hardware modules.
    D. Flash memory does not lose its contents during a reboot.
    Explanation
    ROM contains diagnostics executed on hardware modules. This statement is correct because ROM (Read-Only Memory) in a router contains the diagnostics that are executed during the boot sequence to check the hardware modules for any issues or errors.

    Flash memory does not lose its contents during a reboot. This statement is correct because flash memory is non-volatile memory, meaning it retains its contents even when the device is powered off or rebooted. In a router, the IOS (Internetwork Operating System) is stored in flash memory, allowing the router to retain its operating system and configuration even after a reboot.

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  • 8. 

    Refer to the exhibit. After host 2 is connected to the switch on the LAN, host 2 is unable to communicate with host 1. What is the cause of this problem?

    • A.

      The subnet mask of host 2 is incorrect.

    • B.

      Host 1 and host 2 are on different networks.

    • C.

      The switch needs an IP address that is not configured.

    • D.

      The router LAN interface and host 1 are on different networks.

    • E.

      The IP address of host 1 is on a different network than is the LAN interface of the router.

    Correct Answer
    B. Host 1 and host 2 are on different networks.
    Explanation
    The cause of the problem is that host 1 and host 2 are on different networks. This means that they are not able to communicate with each other because they are not in the same network range. In order for them to communicate, they need to be on the same network and have compatible IP addresses and subnet masks.

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  • 9. 

    . Which are functions of a router? (Choose three.)

    • A.

      Packet switching

    • B.

      Extension of network segments

    • C.

      Segmentation of broadcast domains

    • D.

      Selection of best path based on logical addressing

    • E.

      Election of best path based on physical addressing

    Correct Answer(s)
    A. Packet switching
    C. Segmentation of broadcast domains
    D. Selection of best path based on logical addressing
    Explanation
    A router performs packet switching by receiving packets from different sources and forwarding them to their intended destinations. It also performs segmentation of broadcast domains by dividing a network into smaller subnets, which helps to reduce network congestion and improve performance. Additionally, a router selects the best path based on logical addressing, such as IP addresses, to determine the most efficient route for forwarding packets in a network.

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  • 10. 

    Refer to the exhibit. All routers have a route in its routing table to each network that is shown in the exhibit. Default routes have not been issued on these routers. What can be concluded about how packets are forwarded in this network? (Choose two.)

    • A.

      If RouterC receives a packet that is destined for 10.5.1.1, it will be forwarded out interface Fa0/0.

    • B.

      If RouterA receives a packet that is destined for 192.168.3.146, it will be forwarded out interface S0/0/1.

    • C.

      If RouterB receives a packet that is destined for 10.5.27.15, it will be forwarded out interface S0/0/1.

    • D.

      If RouterB receives a packet that is destined for 172.20.255.1, it will be forwarded out interface S0/0/0.

    • E.

      If RouterC receives a packet that is destined for 192.16.5.101, it will be forwarded out interface S0/0/1.

    Correct Answer(s)
    B. If RouterA receives a packet that is destined for 192.168.3.146, it will be forwarded out interface S0/0/1.
    C. If RouterB receives a packet that is destined for 10.5.27.15, it will be forwarded out interface S0/0/1.
    Explanation
    Based on the information provided in the exhibit, RouterA has a route to the network 192.168.3.0/24 through interface S0/0/1. Therefore, if RouterA receives a packet destined for 192.168.3.146, it will forward it out through interface S0/0/1. Similarly, RouterB has a route to the network 10.5.27.0/24 through interface S0/0/1. So, if RouterB receives a packet destined for 10.5.27.15, it will forward it out through interface S0/0/1.

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  • 11. 

    The serial connection shown in the graphic needs to be configured. Which configuration commands must be made on the Sydney router to establish connectivity with the Melbourne site? (Choose three.)

    • A.

      Sydney(config-if)# ip address 201.100.53.2 255.255.255.0

    • B.

      Sydney(config-if)# no shutdown

    • C.

      Sydney(config-if)# ip address 201.100.53.1 255.255.255.224

    • D.

      Sydney(config-if)# clock rate 56000

    • E.

      Sydney(config-if)# ip host Melbourne 201.100.53.2

    Correct Answer(s)
    A. Sydney(config-if)# ip address 201.100.53.2 255.255.255.0
    B. Sydney(config-if)# no shutdown
    D. Sydney(config-if)# clock rate 56000
    Explanation
    The three configuration commands that must be made on the Sydney router to establish connectivity with the Melbourne site are:
    1. Sydney(config-if)# ip address 201.100.53.2 255.255.255.0: This command sets the IP address and subnet mask for the interface connecting to the Melbourne site.
    2. Sydney(config-if)# no shutdown: This command activates the interface, allowing it to send and receive data.
    3. Sydney(config-if)# clock rate 56000: This command sets the clock rate for the interface, which is necessary for serial connections.

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  • 12. 

    Refer to the exhibit. What can be concluded from the output of the running-configuration of a router?

    • A.

      The passwords are encrypted.

    • B.

      The current configuration was saved to NVRAM.

    • C.

      The configuration that is shown will be the one used on the next reboot.

    • D.

      The commands that are displayed determine the current operation of the router.

    Correct Answer
    D. The commands that are displayed determine the current operation of the router.
    Explanation
    The output of the running-configuration of a router displays the commands that are currently in effect and determine the current operation of the router. It does not provide information about password encryption, saving to NVRAM, or the configuration that will be used on the next reboot.

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  • 13. 

    Refer to the exhibit. Host A pings host B. When R4 accepts the ping into the Ethernet interface, what two pieces of header information are included? (Choose two.)

    • A.

      Source IP address: 192.168.10.129

    • B.

      Source IP address: BBBB.3333.5677

    • C.

      Destination IP address: 192.168.10.33

    • D.

      Destination IP address: 192.168.10.134

    • E.

      Destination MAC address: 9999.DADC.1234

    Correct Answer(s)
    D. Destination IP address: 192.168.10.134
    E. Destination MAC address: 9999.DADC.1234
    Explanation
    When R4 accepts the ping into the Ethernet interface, the two pieces of header information included are the destination IP address: 192.168.10.134 and the destination MAC address: 9999.DADC.1234. These two pieces of information are necessary for the packet to reach its intended destination, as the destination IP address identifies the specific host, and the destination MAC address identifies the specific network interface card (NIC) on that host.

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  • 14. 

    What is the outcome of entering these commands? R1(config)# line vty 0 4 R1(config-line)# password check123 R1(config-line)# login

    • A.

      Ensures that a password is entered before entering user EXEC mode

    • B.

      Sets the password to be used for connecting to this router via Telnet

    • C.

      Requires check123 to be entered before the configuration can be saved

    • D.

      Creates a local user account for logging in to a router or switch

    Correct Answer
    B. Sets the password to be used for connecting to this router via Telnet
    Explanation
    The given commands "R1(config)# line vty 0 4" and "R1(config-line)# password check123" are used to set a password for connecting to the router via Telnet. The "login" command is used to enable login authentication for the VTY lines. Therefore, the outcome of entering these commands is that the password "check123" will be set for connecting to the router via Telnet.

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  • 15. 

     Which of the following is the correct flow of routines for a router startup?

    • A.

      Load bootstrap, load IOS, apply configuration

    • B.

      Load bootstrap, apply configuration, load IOS

    • C.

      Load IOS, load bootstrap, apply configuration, check hardware

    • D.

      Check hardware, apply configuration, load bootstrap, load IOS

    Correct Answer
    A. Load bootstrap, load IOS, apply configuration
    Explanation
    The correct flow of routines for a router startup is to first load the bootstrap, then load the IOS (Internetwork Operating System), and finally apply the configuration. This sequence ensures that the router's basic software (bootstrap) is loaded, followed by the main operating system (IOS), and then the specific configuration settings for the router to function properly.

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  • 16. 

    What three processes does a router execute when it receives a packet from one network that is destined for another network? (Choose three.)

    • A.

      Decapsulates the Layer 3 packet by stripping off the Layer 2 frame header

    • B.

      Uses the destination MAC Address in the IP Header to look up the next-hop address in the routing table

    • C.

      Leaves the Layer 2 frame header intact when decapsulating the Layer 3 packet

    • D.

      Uses the destination IP Address in the IP header to look up the next-hop address in the routing table

    • E.

      Encapsulates the Layer 3 packet into the new Layer 2 frame and forwards it out the exit interface

    • F.

      Encapsulates the Layer 3 packet into a special Layer 1 frame and forwards it to the exit interface

    Correct Answer(s)
    A. Decapsulates the Layer 3 packet by stripping off the Layer 2 frame header
    D. Uses the destination IP Address in the IP header to look up the next-hop address in the routing table
    E. Encapsulates the Layer 3 packet into the new Layer 2 frame and forwards it out the exit interface
    Explanation
    When a router receives a packet from one network that is destined for another network, it first decapsulates the Layer 3 packet by stripping off the Layer 2 frame header. Then, it uses the destination IP Address in the IP header to look up the next-hop address in the routing table. After that, the router encapsulates the Layer 3 packet into a new Layer 2 frame and forwards it out the exit interface. These three processes ensure that the packet is properly routed to its intended destination network.

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  • 17. 

    The network administrator needs to connect two routers directly via their FastEthernet ports. What cable should the network administrator use?

    • A.

      Straight-through

    • B.

      Rollover

    • C.

      Cross-over

    • D.

      Serial

    Correct Answer
    C. Cross-over
    Explanation
    The network administrator should use a cross-over cable to connect two routers directly via their FastEthernet ports. A cross-over cable is used to connect similar devices, such as two routers, without the need for a hub or switch in between. It allows the transmit signals from one device to be connected to the receive signals of the other device, ensuring proper communication between them. This is different from a straight-through cable, which is used to connect dissimilar devices, such as a router and a switch. A rollover cable is used to connect a computer to a router for console access, and a serial cable is used for serial connections.

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  • 18. 

    Which two statements describe characteristics of load balancing? (Choose two.)

    • A.

      Load balancing occurs when a router sends the same packet to different destination networks.

    • B.

      Load balancing occurs when a router sends the same packet to different destination networks.

    • C.

      Load balancing allows a router to forward packets over multiple paths to the same destination network.

    • D.

      Unequal cost load balancing is supported by EIGRP.

    • E.

      If multiple paths with different metrics to a destinations exist, the router cannot support load balancing.

    Correct Answer(s)
    C. Load balancing allows a router to forward packets over multiple paths to the same destination network.
    D. Unequal cost load balancing is supported by EIGRP.
    Explanation
    Load balancing allows a router to distribute network traffic across multiple paths, which helps to optimize resource utilization and improve performance. This means that a router can forward packets over different paths to the same destination network, ensuring that the network is not overloaded or congested. In addition, EIGRP, a routing protocol, supports unequal cost load balancing, which means that it can distribute traffic across paths with different metrics (such as bandwidth or delay) to achieve better load distribution.

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  • 19. 

    What information about the router and its startup process can be gathered from the output of the show version command? (Choose three.)

    • A.

      The last restart method

    • B.

      The command buffer contents

    • C.

      The amount of NVRAM and FLASH used

    • D.

      The configuration register settings

    • E.

      The location from where the IOS loaded

    Correct Answer(s)
    A. The last restart method
    D. The configuration register settings
    E. The location from where the IOS loaded
    Explanation
    The output of the "show version" command provides information about the router's startup process. It includes the last restart method, which indicates how the router was last restarted (e.g., power cycle, software reload). It also displays the configuration register settings, which determine how the router boots up and other system behaviors. Additionally, the output shows the location from where the IOS (Internetwork Operating System) loaded, which indicates the source of the router's operating system. However, it does not provide information about the command buffer contents or the amount of NVRAM and FLASH used.

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  • 20. 

    From what location can a router load the Cisco IOS during the boot process? (Choose two.)

    • A.

      RAM

    • B.

      TFTP server

    • C.

      NVRAM

    • D.

      Setup routine

    • E.

      Flash memory

    • F.

      Terminal

    Correct Answer(s)
    B. TFTP server
    E. Flash memory
    Explanation
    During the boot process, a router can load the Cisco IOS from two locations: TFTP server and Flash memory. The TFTP server is a remote location where the router can retrieve the IOS image over the network. Flash memory, on the other hand, is a non-volatile storage location within the router itself where the IOS image can be stored and loaded during boot-up. Both options provide the router with the necessary IOS image to start up and function properly.

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  • 21. 

    A network administrator has just entered new configurations into Router1. Which command should be executed to save configuration changes to NVRAM?

    • A.

      Router1(config)# copy running-config flash

    • B.

      Router1# copy running-config startup-config

    • C.

      Router1(config)# copy running-config startup-config

    • D.

      Router1# copy startup-config running-config

    • E.

      Router1(config)# copy startup-config running-config

    Correct Answer
    B. Router1# copy running-config startup-config
    Explanation
    The command "copy running-config startup-config" should be executed to save configuration changes to NVRAM. This command copies the current running configuration of the router to the startup configuration file in NVRAM, which will be used to load the configuration on subsequent reboots.

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  • 22. 

    What is the default sequence for loading the configuration file?

    • A.

      NVRAM, FLASH, ROM

    • B.

      FLASH, TFTP,CONSOLE

    • C.

      NVRAM, TFTP, CONSOLE

    • D.

      FLASH, TFTP, ROM

    Correct Answer
    C. NVRAM, TFTP, CONSOLE
    Explanation
    The default sequence for loading the configuration file is NVRAM, TFTP, CONSOLE. This means that the router will first look for the configuration file in the NVRAM (non-volatile random access memory), which is where the startup configuration is stored. If it is not found there, the router will then try to load the configuration file from a TFTP (Trivial File Transfer Protocol) server. If it is still not found, the router will prompt the user to enter the configuration manually through the console port.

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  • 23. 

    What header address information does a router change in the information it receives from an attached Ethernet interface before information is transmitted out another interface?

    • A.

      Only the Layer 2 source address

    • B.

      Only the Layer 2 destination address

    • C.

      Only the Layer 3 source address

    • D.

      Only the Layer 3 destination address

    • E.

      The Layer 2 source and destination address

    • F.

      The Layer 3 source and destination address

    Correct Answer
    E. The Layer 2 source and destination address
    Explanation
    A router changes the Layer 2 source and destination address in the header address information it receives from an attached Ethernet interface before transmitting the information out another interface. This is because Layer 2 addresses are specific to the local network, and as the router forwards the information to a different network, it needs to update the Layer 2 addresses to ensure proper delivery. The Layer 3 addresses, on the other hand, remain unchanged as they are used for routing the information across different networks.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 16, 2013
    Quiz Created by
    Dlefinc
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