Since the implementation of IPv6 on the company network, the security administrator has been unable to
identify the users associated with certain devices utilizing IPv6 addresses, even when the devices are centrally
managed.
en1: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500 ether
f8:1e:af:ab:10:a3
inet6 fw80::fa1e:dfff:fee6:9d8%en1 prefixlen 64 scopeid 0x5 inet 192.168.1.14 netmask 0xffffff00 broadcast
192.168.1.255 inet6 2001:200:5:922:1035:dfff:fee6:9dfe prefixlen 64 autoconf inet6
2001:200:5:922:10ab:5e21:aa9a:6393 prefixlen 64 autoconf temporary nd6 options=1<PERFORMNUD>
media: autoselect
status: active
Given this output, which of the following protocols is in use by the company and what can the system
administrator do to positively map users with IPv6 addresses in the future? (Select TWO).

A.
The devices use EUI-64 format

B.
The routers implement NDP

C.
The network implements 6to4 tunneling

D.
The router IPv6 advertisement has been disabled

E.
The administrator must disable IPv6 tunneling

F.
The administrator must disable the mobile IPv6 router flag

G.
The administrator must disable the IPv6 privacy extensions

H.
The administrator must disable DHCPv6 option code 1