Top-Down Network Design: Characterizing the Existing Internetwork
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Questions and Answers

What technology is used to allow hosts with private network addresses to access the Internet?

  • LAN
  • VPN
  • DNS
  • NAT (correct)

    • What is the primary function of a NAT device?

  • Create private IP addresses
  • Translate private IP addresses to public IP addresses (correct)
  • Enable direct communication between private networks
  • Block access to the Internet

    • Why are data packets with private IP addresses not routable on the Internet?

  • Private IP addresses are not valid
  • Internet routers block private IP addresses
  • Private IP addresses conflict with public IP addresses (correct)
  • Private IP addresses overlap with other organizations' IP addresses

    • What happens to the IP address of a packet when it passes through a NAT device?

    <p>It gets replaced with a public IP address</p> Signup and view all the answers

    Which device typically functions as a NAT device in a home network setup?

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

    What is the purpose of the translation table maintained by a NAT device?

    <p>To map private IP addresses to public IP addresses</p> Signup and view all the answers

    In the context of NAT, what does the term 'routable' mean?

    <p>Able to be forwarded to other networks</p> Signup and view all the answers

    Why do organizations use private network addresses for their internal networks?

    <p>To lower costs compared to public IP addresses</p> Signup and view all the answers

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