Which two ICMP messages are used by both IPv4 and IPv6 protocols? (Choose two.)​

Which two ICMP messages are used by both IPv4 and IPv6 protocols? (Choose two.)​

  • router solicitation
  • route redirection
  • neighbor solicitation
  • protocol unreachable
  • router advertisement
    Answers Explanation & Hints:

    The ICMP messages common to both ICMPv4 and ICMPv6 include: host confirmation, destination (net, host, protocol, port) or service unreachable, time exceeded, and route redirection. Router solicitation, neighbor solicitation, and router advertisement are new protocols implemented in ICMPv6.

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