Which two DHCPv6 messages will appear in the snifer logs?

ccnp-dump
ccnp-route-dump
ccnp-route

#1

An engineer is using a network sniffer to troubleshoot DHCPv6 between a router and hosts on the LAN with the following configuration:

Interface Ethernet0
Ipv6 dhcp server DHCPSERVERPOOL rapid-commit
!

Which two DHCPv6 messages will appear in the snifer logs?
A. reply
B. request
C. advertise
D. acknowledge
E. solicit
F. accept

Correct Answer: AE

Explanation:
The Rapid Commit option is used to indicate the use of the two- message exchange for address assignment.
The code for the Rapid Commit option is 80. The format of the option is:
Code Len
±----±----+
| 80 | 0 |
±----±----+
A client MUST include this option in a DHCPDISCOVER message if the client is prepared to perform the
DHCPDISCOVER-DHCPACK message exchange described earlier.
A server MUST include this option in a DHCPACK message sent in a response to a DHCPDISCOVER
message when completing the DHCPDISCOVER- message exchange.
DHCPACK