13.1.6 Check Your Understanding – ICMP Messages Answers

1. Which two types of ICMP messages are common to both ICMPv4 and ICMPv6? (Choose two.)

  • Destination or Service Unreachable
  • Hostname resolution
  • IP configuration
  • Source Unreachable
  • Time exceeded

Explanation: ICMP messages common to both ICMPv4 and ICMPv6 include host confirmation, destination or service unreachable, and time exceeded.

2. Which type of ICMPv6 message would a host send to acquire an IPv6 configuration when booting up?

  • Neighbor Advertisement (NA) message
  • Neighbor Solicitation (NS) message
  • Router Advertisement (RA) message
  • Router Solicitation (RS) message

Explanation: An IPv6-enabled host booting up would send an ICMPv6 router solicitation message. An IPv6-enabled router would respond with a router advertisement message.

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