Reference Models: OSI vs TCP/IP
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Questions and Answers

Which protocol is considered unreliable in the TCP/IP reference model?

  • SMTP
  • UDP (correct)
  • HTTP
  • TCP
  • Which protocol allows a client to get or put a file onto a remote host?

  • DNS
  • NNTP
  • SMTP
  • FTP (correct)
  • Which reference model makes the distinction between services/interfaces/protocols explicit?

  • OSI reference model (correct)
  • NNTP reference model
  • SMTP reference model
  • TCP/IP reference model
  • Which layer contains all the higher-level protocols in the TCP/IP reference model?

    <p>Application layer</p> Signup and view all the answers

    Which protocol provides a simple lockstep File Transfer Protocol in the Application layer of the TCP/IP reference model?

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

    What does NAP stand for in the context of the text?

    <p>Network Access Protection</p> Signup and view all the answers

    What is the purpose of a POP (Point of Presence) in the context of ISPs and telecommunications companies?

    <p>To allow businesses to easily use connectivity services</p> Signup and view all the answers

    What is the hidden station problem associated with in wireless LAN networks?

    <p>Interference between stations due to limited radio range</p> Signup and view all the answers

    What is the main purpose of a multicell 802.11 network?

    <p>To provide extended coverage and capacity</p> Signup and view all the answers

    What is the primary function of mobile phone networks as mentioned in the text?

    <p>Providing telecommunications access, including internet access through mobile data</p> Signup and view all the answers

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