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.