Router Configuration Quiz - Study Notes
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Questions and Answers

What is the purpose of the enable secret command in Cisco router configuration?

  • It sets the password for privileged EXEC mode and encrypts it. (correct)
  • It assigns an IP address to the interface.
  • It configures the router's hostname.
  • It secures the Telnet session.

    • Which command is used to save the running configuration to the startup configuration on a Cisco router?

  • write memory
  • copy startup config running config
  • copy running config startup config (correct)
  • save config

    • What does the no shutdown command do when configuring an interface?

  • It secures remote access to the router.
  • It deactivates the interface.
  • It configures the IP address of the interface.
  • It activates the interface and brings it up. (correct)

    • Which of the following commands displays the IPv4 interface configuration on a Cisco router?

    <p>show IP interface brief (C)</p> Signup and view all the answers

    Which command would you use to verify the IPv6 configuration of an interface?

    <p>show ipv6 interface brief (C)</p> Signup and view all the answers

    What is the purpose of the banner motd command in Cisco router configuration?

    <p>It displays a message to users who attempt to access the router. (B)</p> Signup and view all the answers

    Which command is used to configure the default gateway for a Cisco switch?

    <p>ip default gateway (A)</p> Signup and view all the answers

    What is the main difference between IPv4 and IPv6 addressing on a Cisco device when configuring interfaces?

    <p>IPv4 addresses use a subnet mask, whereas IPv6 addresses use a prefix length. (A)</p> Signup and view all the answers

    Which of the following commands is used to display the routing table for IPv4 on a Cisco router?

    <p>show ip route (D)</p> Signup and view all the answers

    What is the function of a default gateway on an end device?

    <p>It forwards packets to a device on another network. (D)</p> Signup and view all the answers

    When configuring interfaces on a Cisco router, what must be done to activate the interface?

    <p>Use the <code>no shutdown</code> command. (D)</p> Signup and view all the answers

    How can you verify the configuration of an interface if you are in configuration mode on a Cisco router?

    <p>do show ip interface brief (C)</p> Signup and view all the answers

    What happens if a Cisco router loses power before the running configuration is saved?

    <p>The configuration will be lost unless it has been saved to the startup configuration. (A)</p> Signup and view all the answers

    What is the significance of adding a description to an interface in a Cisco router configuration?

    <p>It provides a human-readable label to identify the purpose of the interface. (C)</p> Signup and view all the answers

    In the context of routing, what does the term "no shutdown" command do?

    <p>It activates the interface and makes it operational. (B)</p> Signup and view all the answers

    Which command is used to configure a static IPv4 route on a Cisco router?

    <p>ip route (B)</p> Signup and view all the answers

    What is a common issue when devices cannot communicate across different networks without a default gateway?

    <p>Devices are on different subnets and lack a default gateway to route traffic. (A)</p> Signup and view all the answers

    How can a switch be remotely managed from another network?

    <p>By setting the default gateway on the switch. (D)</p> Signup and view all the answers

    When configuring a router interface with an IP address, which command is used to exit from interface configuration mode?

    <p>exit (A)</p> Signup and view all the answers

    If you forget to save the configuration on a router, what will happen if the router is rebooted?

    <p>It will load the factory defaults. (C)</p> Signup and view all the answers

    What is the command to enter global configuration mode on a Cisco router?

    <p>configure terminal (C)</p> Signup and view all the answers

    What is the result of issuing the show interfaces command on a Cisco router?

    <p>It shows the current configuration of the router's interfaces. (D)</p> Signup and view all the answers

    What does the show ip interface brief command display?

    <p>The IP addresses and status of all interfaces on the router. (A)</p> Signup and view all the answers

    What happens if you don’t configure a default gateway on a Cisco switch?

    <p>You can still configure the switch locally but won’t be able to manage it remotely. (B)</p> Signup and view all the answers

    How can a router's configuration be protected from unauthorized changes?

    <p>By encrypting passwords using the <code>service password encryption</code> command. (C)</p> Signup and view all the answers

    Study Notes

    Router Configuration Quiz - Study Notes

    • Enable Secret Command: Used to set a password for privileged EXEC mode and encrypt it.

    • Save Running Configuration: The copy running-config startup-config command saves the running configuration to the startup configuration.

    • Interface Activation: The no shutdown command activates an interface.

    • IPv4 Interface Configuration: The show ip interface brief command displays IPv4 interface configurations.

    • IPv6 Interface Configuration: The show ipv6 interface brief command displays IPv6 interface configurations.

    • Routing Table (IPv4): The show ip route command displays the IPv4 routing table.

    • Default Gateway: A default gateway on an end device forwards packets to a device on another network.

    • Interface Activation (Cisco Router): Use no shutdown to activate a router interface.

    • Router Configuration Mode: The configure terminal command enters global configuration mode on a Cisco router.

    • Running Configuration Loss (Power Failure): If a router loses power before saving the running configuration, the configuration will be lost unless it's stored in the startup configuration.

    • Interface Description: Adding a description to an interface provides human-readable labels for identifying the purpose of the interface.

    • No Shutdown Command: This command activates an interface, making it operational.

    • Static IPv4 Route: ip route is used to configure a static IPv4 route on a Cisco router.

    • Default Gateway Issue: If devices are on different subnets without a default gateway, they cannot communicate.

    • Switch Remote Management: Configuring a static route on a switch enables remote management.

    • Router Interface Configuration Mode Exit: The exit command is used to exit from interface configuration mode.

    • Router Configuration Protection: The service password encryption command protects the router's configuration from unauthorized changes by encrypting passwords.

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    Related Documents

    Basic Router Configuration Quiz PDF

    Description

    Test your knowledge of essential router configuration commands and concepts. This quiz covers topics such as enabling secret commands, saving configurations, and activating interfaces for both IPv4 and IPv6. Perfect for anyone preparing for networking certification exams.

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