Which three statements about the EIGRP routing protocol are true? (Choose three)

A.
EIGRP supports five generic packet types, including Hello, Database Description (DBD),
Linkstate Request (LSR), Link-State Update (LSU), and LSAck.

B.
EIGRP sends periodic hello packets to the multicast IP address 224.0.0.10.

C.
EIGRP will not form a neighbor relationship with another peer when their AS number and K
values, either or both are mismatched.

D.
EIGRP sends periodic hello packets to the multicast IP address 224.0.0.9.

E.
EIGRP will form a neighbor relationship with another peer even when their K values are
mismatched.

F.
EIGRP supports five generic packet types, including Hello, Update, Query, Reply, and ACK
packets.

Explanation:
http://www.ietf.org/id/draft-savage-eigrp-00.txt (see eigrp packets)

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