Understanding IP Addresses and Classes
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Questions and Answers

What is the purpose of MAC addresses?

  • To coordinate the global pool of IP and AS numbers
  • To manage the DNS root and top-level domains
  • To manage internet protocol numbering systems
  • To identify physical network components (correct)

    • Which organization is responsible for coordinating key elements that keep the internet running?

  • The Internet Engineering Task Force (IETF)
  • The Internet Assigned Numbers Authority (IANA) (correct)
  • The World Wide Web Consortium (W3C)
  • The Regional Internet Registries (RIRs)

    • What is the primary purpose of an IP address?

  • To manage the DNS root and top-level domains
  • To identify a device on the internet or local network (correct)
  • To manage internet protocol numbering systems
  • To coordinate the global pool of IP and AS numbers

    • What is the format of an IP address?

    <p>A string of numbers separated by periods</p> Signup and view all the answers

    Which of the following is NOT a responsibility of IANA?

    <p>Maintaining the infrastructure of the World Wide Web</p> Signup and view all the answers

    What is the relationship between IP addresses and the Internet Protocol?

    <p>IP addresses are used to identify devices on the internet, and the Internet Protocol is the set of rules governing the format of data sent via the internet.</p> Signup and view all the answers

    What are the higher-order bits of the first octet of IP addresses belonging to class D always set to?

    <p>1110</p> Signup and view all the answers

    Which class of IP addresses is reserved for experimental and research purposes?

    <p>Class E</p> Signup and view all the answers

    What does DHCP stand for?

    <p>Dynamic Host Configuration Protocol</p> Signup and view all the answers

    What is the primary function of DHCP in an enterprise network?

    <p>Allocating IP addresses</p> Signup and view all the answers

    What does Network Address Translation (NAT) do?

    <p>Translates local IP addresses to global IP addresses</p> Signup and view all the answers

    Which class of IP addresses does not have any subnet mask?

    <p>Class E</p> Signup and view all the answers

    What is the valid range of IP addresses?

    <p>0.0.0.0 to 255.255.255.255</p> Signup and view all the answers

    How many bits are used to represent each octet in an IP address?

    <p>8 bits</p> Signup and view all the answers

    Which class of IP addresses is reserved for multicast purposes?

    <p>Class D</p> Signup and view all the answers

    What determines the class of an IP address?

    <p>The first octet of the IP address</p> Signup and view all the answers

    In a Class A IP address, how many bits are used for the network ID?

    <p>8 bits</p> Signup and view all the answers

    Which part of an IP address identifies the specific device on a network?

    <p>Host ID</p> Signup and view all the answers

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