Which two ICMP messages are used by both IPv4 and IPv6 protocols? (Choose two.)?
- router solicitation
- route redirection
- neighbor solicitation
- protocol unreachable
- router advertisement
Explanation: 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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