ICMP Messages Quiz
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Questions and Answers

Which command is used to test connectivity to another host on a network?

  • ping (correct)
  • echo
  • traceroute
  • request

    • What information does the ping utility provide after sending echo requests?

  • Destination IP address and subnet mask
  • Number of hops and TTL value
  • Success rate and average round-trip time (correct)
  • Router interface and security restrictions

    • What does traceroute provide in terms of troubleshooting information?

  • The ICMP time exceeded message
  • The destination IP address
  • The round-trip time to the remote host
  • A list of hops along the path (correct)

    • Which protocol is used to send error and informational messages in the TCP/IP suite?

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

    What is the purpose of ICMP messages?

    <p>To provide feedback about issues related to the processing of IP packets</p> Signup and view all the answers

    What is the purpose of an ICMP Echo Message?

    <p>To test the reachability of a host on an IP network</p> Signup and view all the answers

    Which ICMP message is used by a router to indicate that a packet cannot be forwarded because the Time to Live (TTL) field of the packet was decremented to zero?

    <p>Time Exceeded</p> Signup and view all the answers

    Which ICMP message is used to notify the source host when a packet cannot be delivered?

    <p>Destination Unreachable</p> Signup and view all the answers

    Which ICMP message is used to test the reachability of a host on an IP network?

    <p>Echo Reply</p> Signup and view all the answers

    Which ICMP message is used by the traceroute tool?

    <p>Time Exceeded</p> Signup and view all the answers

    Which ICMP message is used by IPv6 devices to redirect traffic?

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

    Which ICMP message is used by an IPv6 router to allocate dynamic addresses to IPv6 devices?

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

    Which ICMP message is used by an IPv6 device to request dynamic addresses from an IPv6 router?

    <p>Neighbor Solicitation</p> Signup and view all the answers

    Which field is used by ICMPv6 to determine if a packet has expired?

    <p>Hop limit field</p> Signup and view all the answers

    Which command can be used to test the ability of a local host to communicate across an internetwork?

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

    Which host address should be pinged to test the internal configuration of IPv4 on the local host?

    <p>127.0.0.1</p> Signup and view all the answers

    What does the ping utility provide after sending echo requests?

    <p>Round-trip time and success rate</p> Signup and view all the answers

    What is the purpose of the ICMP time exceeded message in traceroute?

    <p>To indicate where the problem or security restrictions are found</p> Signup and view all the answers

    What information does traceroute provide if the data fails at some hop along the way?

    <p>Address of the last router that responded</p> Signup and view all the answers

    When testing connectivity to another host on a network, what is sent to the host address using the ping command?

    <p>Echo request</p> Signup and view all the answers

    What does a successful ping to the default gateway indicate?

    <p>Host and router interface are both operational on the local network</p> Signup and view all the answers

    What is the purpose of the ICMP Echo Message?

    <p>To test the ability of a host to communicate on the local network</p> Signup and view all the answers

    What protocol is used to send error and informational messages in the TCP/IP suite?

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

    What is the purpose of the Hop Limit field in IPv6?

    <p>To limit the number of hops a packet can traverse</p> Signup and view all the answers

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