IPv4 Network Layer Functions Quiz
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Questions and Answers

What is the function of the Time-to-Live (TTL) field in IPv4?

  • To determine the priority of each packet
  • To limit the lifetime of a packet (correct)
  • To identify the next level protocol
  • To calculate the route taken by packets

    • What does the Differentiated Services Code Point (DSCP) represent in IPv4?

  • Route taken by packets
  • Priority of each packet (correct)
  • Next level protocol
  • Unicast address

    • Which field is used to identify the next level protocol in IPv4?

  • Source IPv4 Address
  • Destination IPv4 Address
  • Time-to-Live (TTL) field
  • Protocol field (correct)

    • What is the purpose of the Forwarding function in network layer?

    <p>Moving a packet to the appropriate output link at a router</p> Signup and view all the answers

    What does the Explicit Congestion Notification (ECN) bits represent in IPv4?

    <p>Bits used for congestion notification</p> Signup and view all the answers

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