Which two statements correct regarding Link Aggregations?

Which two statements correct regarding Link Aggregations?

A.
The MAC address of the first configured link is used for all links.

B.
A link with an existing IP interface cannot be added to an aggregation.

C.
The switch must support the Link Aggregation Control Protocol (LACP).

D.
Links of differing bit rates can be aggregated, but performance gains may not be realized.

E.
The –f option of dladm allows aggregating devices that do not support link state notification.

Explanation:
An interface that has been created cannot become a member of an aggregation.