When an IPv6 enabled host boots, it sends a router solicitation (RS) message. An IPv6
router responds with a router advertisement (RA). Which two items are contained in the RA?
(Choose two.)

A.
any route advertisements it has received

B.
prefixes for the link

C.
keepalive timers

D.
IPv6 address for the host

E.
request for the local host IP address

F.
lifetime of the prefix

Explanation:
In IP Version 6, Router Advertisements have the following attributes:
• Routers advertise periodically
– Max. time between advertisements can be in the range from 4 and

1800 seconds
– The advertisement has a lifetime (= 0 if not a default router)
• Advertisement contains one or more prefixes
– Prefixes have a lifetime
• Preferred lifetime
• Valid lifetime
• Specifies if stateful or stateless autoconfiguration is to be
used
• Plays a key role in site renumbering