DHCPv4 Concepts
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What is the purpose of using DHCP (Dynamic Host Configuration Protocol) in a network?

  • To manually troubleshoot IP address conflicts
  • To statically allocate IP addresses to computers, laptops, and smartphones
  • To assign IP addresses to network devices like routers, switches, and servers (correct)
  • To eliminate the need for IP addresses

    • Why is it easy to make a mistake when dealing with statically configured IP addresses?

  • The configuration parameters are exact
  • There is no possibility of IP address conflicts
  • The DHCP server cannot minimize errors
  • Typographical errors are difficult to troubleshoot (correct)

    • What happens if an IP address conflict occurs between two devices in a network?

  • The network automatically assigns a new IP address to one of the conflicting devices
  • The conflict has no impact on network connectivity
  • The devices ignore the conflict and continue to function normally
  • One or both of the devices cannot be connected (correct)

    • In a network without DHCP, what do network administrators need to do?

    <p>Manually assign and withdraw IP addresses</p> Signup and view all the answers

    Why is the use of a DHCP server important in minimizing errors related to IP addresses?

    <p>It ensures that each IP address can only be used once</p> Signup and view all the answers

    What devices are typically assigned static IP addresses in a network?

    <p>Routers, switches, firewalls, and servers</p> Signup and view all the answers

    What is the purpose of DHCP?

    <p>To allow network professionals to manage all locations from a single location</p> Signup and view all the answers

    In which mode does DHCPv4 operate?

    <p>Client/server mode</p> Signup and view all the answers

    What does APIPA do in the absence of a reachable DHCP server?

    <p>It checks for the presence of a DHCP server and self-configures an IP address and subnet mask</p> Signup and view all the answers

    What protocol does a client use to obtain a lease from a DHCP server?

    <p>DHCP</p> Signup and view all the answers

    What is the purpose of the DHCP Discover (DHCPDISCOVER) message?

    <p>To discover available DHCP servers on the network</p> Signup and view all the answers

    What happens when a client's lease expires in DHCPv4?

    <p>The DHCP server returns the address to the pool for reallocation</p> Signup and view all the answers

    What is the range of IP addresses for APIPA?

    <p>169.254.0.1 - 169.254.0.255</p> Signup and view all the answers

    What does APIPA do if it detects a reachable DHCP server?

    <p>It stops and lets the DHCP server replace APIPA with dynamically allocated addresses</p> Signup and view all the answers

    What are the steps involved in obtaining a lease in DHCPv4?

    <p><strong>1</strong> DHCP Discover (DHCPDISCOVER) <strong>2</strong> DHCP Offer (DHCPOFFER) <strong>3</strong> DHCP Request (DHCPREQUEST) <strong>4</strong> DHCP Acknowledgment (DHCPACK)</p> Signup and view all the answers

    What feature does APIPA provide in case of unreachable DHCP server?

    <p><strong>b.</strong> Automatically self-configure an IP address and subnet mask when their DHCP server isn't reachable.</p> Signup and view all the answers

    What is the process that a client goes through to obtain a lease in DHCPv4?

    <p>DHCP Acknowledgment (DHCPACK)</p> Signup and view all the answers

    What is the purpose of Automatic Private IP Addressing (APIPA) when the DHCP server is unreachable?

    <p>To self-configure an IP address and subnet mask</p> Signup and view all the answers

    In DHCPv4, what happens when a client's lease expires?

    <p>The client returns the address to the pool for reallocation</p> Signup and view all the answers

    What is the range of IP addresses for Automatic Private IP Addressing (APIPA)?

    <p>169.254.0.0 - 169.254.255.255</p> Signup and view all the answers

    What is the primary function of DHCP in a network?

    <p>To automate and centralize IP address management</p> Signup and view all the answers

    What is one of the challenges of dealing with statically configured IP addresses?

    <p>Typographical errors are difficult to troubleshoot</p> Signup and view all the answers

    What problem can occur when an IP address conflict happens between two devices?

    <p>One or both devices cannot connect to the network</p> Signup and view all the answers

    In a network without DHCP, what is the role of network administrators in IP address assignment?

    <p>Manually assign and withdraw IP addresses</p> Signup and view all the answers

    Why is it important to minimize typographical errors in IP address configuration?

    <p>Troubleshooting becomes complex</p> Signup and view all the answers

    What is the primary purpose of a DHCP server in a network?

    <p>To dynamically assign IP addresses</p> Signup and view all the answers

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